S8880A

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POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUPwww.sii-ic.com © SII Semiconductor Corporation, 2017 Rev.1.0_01 The S-8880A Series is a boost charge pump for step-up DC-DC c onverter startup, which enabl es operation with ultra-low power and ultra-low voltage. An original circuit system and SOI technology allow this product to boost the industry's lowest level*1 0.35 V ultra-low input voltage as a boost charge pump, and achieve operatio n with an extremely weak power of 26 μW. The boosted electric power is stored in an external startup capacitor, and it is discharged as the startup power of the step-up DC-DC converter when the startup capacito r reaches the discharge start voltage (V CPOUT1). A built-in power-off function is also provided, so that when the output voltage of the connect ed step-up DC-DC converter rises above a given value, the operation is stopped, thereby achieving significant power saving and contributing to lower power consumption of devices. It also includes boost flying capacitors, which allows for forma tion of a step-up DC-DC converter startup circuit by adding a minimum of just one external capacitor, thus realizing miniaturization of devices. *1. Based on available information as of October 2016  Features

• Ultra-low power and ultra-low voltage operation: Input power at startup (PIN(START-UP)) = 26 μW typ. (VCPOUT1(S) = 1.8 V, VIN = 0.35 V) (Ta = +25°C)
• Minimum operation input voltage: 0.35 V (VCPOUT1(S) = 1.8 V) (Ta = +25°C) 0.39 V (VCPOUT1(S) = 1.8 V to 2.4 V) (Ta = −40°C to +85°C)
• Current consumption during operation: 74 μA typ. (VIN = 0.35 V)
• Discharge start voltage: VCPOUT1(S) = 1.8 V to 2.4 V (Selectable in 0.2 V step)
• Power-off voltage: VCPOUT1 + 0.1 V (Fixed internally)
• External component: Startup capacitor (CCPOUT) × 1 unit*1
• Operation temperature range: Ta = −40°C to +85°C
• Lead-free (Sn 100%), halogen-free *1. The addition of a Schottky diode or a power smoothing c apacitor may be necessary depending on the capacitance of a smoothing capacitor of the step-up DC-DC converter and the output voltage value. Refer to "  Example of Connection with Step-up DC-DC Converter" for details.  Applications  Packages
• Boosting from low-voltage power supply
• Boosting internal power supply voltage of RF tag
• Intermittently power supplying to intermittent operation system
• Energy harvesting
• SOT-23-5 (2.8 mm × 2.9 mm × t1.3 mm max.)
• SNT-8A (2.46 mm × 1.97 mm × t0.5 mm max.)  Typical Application Circuit VIN CIN VIN 10 μF VIN OUT VM VSS VSS CL VVOUT CVDD VDD VOUT CPOUT SD1 Step-up DC-DC Converter S-8880A Series

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01  Product Name Structure Users can select the discharge start voltage and the package type for the S-8880A Series. Refer to " 1. Product name " regarding the contents of product name, " 2. Packages " regarding the package drawings and "3. Product name list " regarding the product name. 1. Product name S-8880A xx - xxxx U Package abbreviation and IC packing specifications*1 M5T1: SOT-23-5, Tape I8T1: SNT-8A, Tape Discharge start voltage 18: 1.8 V 20: 2.0 V 22: 2.2 V 24: 2.4 V Environmental code U: Lead-free (Sn 100%), halogen-free *1. Refer to the tape drawing. 2. Packages Table 1 Package Drawing Codes Package Name Dimension Tape Reel Land SOT-23-5 MP005-A-P-SD MP 005-A-C-SD MP005-A-R-SD − SNT-8A PH008-A-P-SD PH008-A-C-SD PH008-A-R-SD PH008-A-L-SD 3. Product name list Table 2 Set Discharge Start Voltage (VCPOUT1(S)) Set Power-off Voltage (VOFF(S)) SOT-23-5 SNT-8A 1.8 V 1.9 V S-8880A18-M5T1U S-8880A18-I8T1U 2.0 V 2.1 V S-8880A20-M5T1U S-8880A20-I8T1U 2.2 V 2.3 V S-8880A22-M5T1U S-8880A22-I8T1U 2.4 V 2.5 V S-8880A24-M5T1U S-8880A24-I8T1U Remark Please contact our sales office for products with set discharge start voltage other than the above.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series  Pin Configurations 1. SOT-23-5 13 2 4 5 Top view Figure 1 Table 3 Pin No. Symbol Description

1 OUT Output pin (Step-up DC-DC converter connection pin)

2 VSS GND pin

Step-up DC-DC converter output voltage monitor pin "L": Power-on (Normal operation) "H": Power-off (Standby)

4 VIN Power supply input pin

5 CPOUT Startup capacitor connection pin

1. SNT-8A Top view Figure 2 Table 4 Pin No. Symbol Description

1 NC*1 No connection

2 VIN Power supply input pin

Step-up DC-DC converter output voltage monitor pin "L": Power-on (Normal operation) "H": Power-off (Standby)

4 NC*1 No connection

5 OUT Output pin (Step-up DC-DC converter connection pin)

6 VSS GND pin

7 CPOUT Startup capacitor connection pin

8 NC*1 No connection

*1. The NC pin is electrically open. The NC pin can be connected to the VIN pin or the VSS pin.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01  Absolute Maximum Ratings Table 5 (Ta = +25°C unless otherwise specified) Item Symbol Absolute Maximum Rating Unit VIN pin voltage VIN V SS − 0.3 to VSS + 3.3 V CPOUT pin voltage VCPOUT V SS − 0.3 to VSS + 3.3 V OUT pin voltage VOUT V SS − 0.3 to VSS + 3.3 V VM pin voltage VVM V SS − 0.3 to VSS + 3.3 V Operation ambient temperature Topr −40 to +85 °C Storage temperature Tstg −40 to +125 °C Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions.  Thermal Resistance Value Table 6 Item Symbol Condition Min. Typ. Max. Unit Junction-to-ambient thermal resistance*1 θJA SOT-23-5 Board A − 192 − ° C/W Board B − 160 − ° C/W Board C −− − ° C/W Board D −− − ° C/W Board E −− − ° C/W SNT-8A Board A − 211 − ° C/W Board B − 173 − ° C/W Board C − − − ° C/W Board D − − − ° C/W Board E − − − ° C/W *1. Test environment: compliance with JEDEC STANDARD JESD51-2A Remark Refer to " Power Dissipation" and "Test Board" for details.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series  Electrical Characteristics Table 7 (Ta = +25°C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Discharge start voltage*1 VCPOUT1 V IN = 0.35 V VCPOUT1(S) − 0.1 VCPOUT1(S) VCPOUT1(S) + 0.1 V Discharge start voltage temperature coefficient CPOUT1 CPOUT1 V Ta V

• Δ Δ Ta = −40°C to +85°C − ±150 − ppm/ °C Discharge stop voltage*2 VCPOUT2 VCPOUT1(S) = 1.8 V VCPOUT1 − 0.60 − VCPOUT1 − 0.33 V VCPOUT1(S) = 2.0 V VCPOUT1 − 0.67 − VCPOUT1 − 0.33 V VCPOUT1(S) = 2.2 V VCPOUT1 − 0.74 − VCPOUT1 − 0.33 V VCPOUT1(S) = 2.4 V VCPOUT1 − 0.80 − VCPOUT1 − 0.33 V Operation input voltage range 1*3 VIN1 VCPOUT1(S) = 1.8 V 0.35 − 3.0 V VCPOUT1(S) = 2.0 V 0.36 − 3.0 V VCPOUT1(S) = 2.2 V, 2.4 V 0.37 − 3.0 V Operation input voltage range 2 *3 VIN2 VCPOUT1(S) = 1.8 V, 2.0 V, Ta = −30°C to +60°C 0.37 − 3.0 V VCPOUT1(S) = 1.8 V to 2.4 V, Ta = −40°C to +85°C 0.39 − 3.0 V Discharge start delay time *4 tOUT VCPOUT1(S) = 1.8 V, VIN = 0.35 V, CCPOUT = 10 μF − 4.6 − s VCPOUT1(S) = 2.4 V, VIN = 0.37 V, CCPOUT = 10 μF − 5.8 − s Discharge control switch resistance RM1 V CPOUT = 1.8 V to 2.4 V, IOUT = 3 mA − 30 100 Ω Input power at start-up P IN(START-UP) V IN = 0.35 V, VCPOUT = 0 V − 26 − μW Current consumption during operation I SS VIN = 0.35 V, VCPOUT = 0 V − 0.074 0.35 mA VIN = 0.6 V, VCPOUT = 0 V − 0.38 1.1 mA VIN = 1.0 V, VCPOUT = 0 V − 1.1 2.3 mA Current consumption during power-off I SSS VIN = 0.35 V, VCPOUT = 0 V, VVM = 3.0 V − 0.1 0.6 μA VIN = 1.0 V, VCPOUT = 0 V, VVM = 3.0 V − 0.1 0.7 μA VIN = 2.0 V, VCPOUT = 0 V, VVM = 3.0 V − 0.1 0.8 μA Power-off voltage*5 VOFF V IN = 0.35 V, VCPOUT = 0 V VOFF(S) − 0.1 VOFF(S) VOFF(S) + 0.1 V Power-off voltage temperature coefficient OFF OFF V Ta V
• Δ Δ Ta = −40°C to +85°C − ±150 − ppm/ °C Discharge control switch leakage current*6 ILEAK V IN = VCPOUT = 0 V, VOUT = VVM = 3.0 V − − 0.1 μA VM pin input current I VM V VM = 3.0 V − 0.7 1.8 μA *1. V CPOUT1: Actual discharge start voltage VCPOUT1(S): Set discharge start voltage *2. Voltage at which discharge to the OUT pin stops *3. Input voltage required to start discharge to the OUT pin from the startup capacitor *4. Delay time from when power is input to the VIN pin until the electric charge of the startup capacitor is discharged to the OUT pin *5. V OFF: Actual power-off voltage (VM pin voltage value at which power-off actually occurs) V OFF(S): Set power-off voltage (Set VM pin voltage at which power-off occurs) V OFF(S) is automatically set to VCPOUT1(S) + 0.1 V. *6. Current that flows into the IC from the OUT pin due to the off-leak current of the discharge control switch Caution The voltage that is input to the connected step-up DC-DC converter varies according to the consumption current of the step-up DC-DC converter and the power smoothing capacitor. Set the discharge start voltage based on thorough evaluation including the temperature char acteristics under the actual usage conditions.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series 2. Step-up DC-DC converter outpu t voltage monitor pin (VM pin) When the output voltage of the step-up DC-DC converter to be monitored rises and the VM pin voltage (V VM) reaches or exceeds the power-off voltage (V OFF), the power-off status is entered. When this happens, the internal oscillation circuit stops its operation, so that the charge pump circuit operation stops, and greatly reduces the current consumption. Figure 4 shows the configuration of the VM pin. VREF VM pin Table 8 VM Pin Internal Circuit V VM < VOFF Operate V VM ≥ VOFF Stop Figure 4 VM Pin Configuration Set VVM during power-off as follows. 3.0 V ≥ VVM ≥ VIN + 1.0 V

3.0 V ≥ VVM ≥ VOUT

VM < VIN + 1.0 V occurs, the current consumption during power-off increases. When VVM < VOUT occurs, the discharge control switch leakage current increases. Caution 1. When not using the VM pin in actual use, be sure to connect it to the VSS pin. If the VM pin is left open, it may cause malfunctions. 2. Note that the operation to restart a step-up DC-DC converter does not start when CPOUT pin voltage (VCPOUT) exceeds the discharge stop voltage (V CPOUT2) even if the power-off status is released. This operation restarts if V CPOUT decreases to V CPOUT2 or lower by discharge of the startup capacitor (CCPOUT). 3. Do not connect a high resistance to the VM pin. Note that the VM pin input current (I VM) max. may not flow if a high resistance is connected.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series  Selection of Startup Capacitor (CCPOUT) To reliably start up the step-up DC-DC converter, in the S-8880A Series, select the discharge start voltage (V CPOUT1) and the capacitance of the external startup capacitor (C CPOUT) according to the step-up DC-DC converter to be started, its external parts, and the output load. Generally, an output smoothing capacitor with a large capacit ance and an output load are connected to the output pin of the step-up DC-DC converter. Therefore, to start up the st ep-up DC-DC converter thus connected, it is necessary to select a large capacitance for CCPOUT. The selection method for VCPOUT1 and CCPOUT in Figure 5 of the connection example is described below. Select VCPOUT1 and CCPOUT so that they satisfy the following conditional expressions.   VCPOUT1 × CCPOUT CCPOUT + CVDD VCPOUT1 > VDDL + 0.2 V CCPOUT > 10 × CVDD VCPOUT1: Discharge start voltage of S-8880A Series (Unit: V) CCPOUT: Capacitance of startup capacitor (Unit: μF) CVDD: Capacitance of power smoothing capacitor for step-up DC-DC converter (Unit: μF) IVDD: Current consumption of step-up DC-DC converter (Unit: mA) VDDL: Minimum operation voltage of step-up DC-DC converter (Unit: V) tS: Step-up DC-DC converter startup time ≅ Soft start time (Unit: ms) If the Schottky diode (SD1) has a large reverse current or if a pull-down resistor is added to the OUT pin of the S-8880A Series, add the current value generated from these to the current consumption (IVDD) of the step-up DC-DC converter. Moreover, if SD1 is added between the OUT pin of the S-888 0A Series and the power supply pin (VDD) of the step-up DC-DC converter, set the discharge start voltage (VCPOUT1) so that it is higher by the amount corresponding to the forward drop voltage (VF) of the added SD1 in comparison to VCPOUT1 obtained with formula (1). Caution 1. The S-8880A Series can start up the step-up DC-DC converter more reliably as the discharge start voltage (VCPOUT1) is higher and the capacitance of the startup capacitor (C CPOUT) is larger. However, note that the time from when the power is input until the step-up DC-DC converter starts becomes longer in this case. 2. In the S-8880A Series, the capacitance of the startup capacitor (C CPOUT) can be more lowered as the discharge start voltage (V CPOUT1) is higher, but note that if V CPOUT1 > 2.0 V, the minimum operation input voltage (V IN min.) (the minimum input voltage value required for power to be output from the OUT pin of the S-8880A Series) rises from 0.37 V to 0.39 V (Refer to Table 10). 3. When the capacitance of the startup capacitor (C CPOUT) is lower, the discharge operation may start if the ripple voltage of the CPOUT pin reaches the discharge start voltage (V CPOUT1). The influence of the ripple voltage can be reduced by setting CCPOUT larger in this case. 4. Do not connect a load other than a capacitance to the CPOUT pin. Note that the discharge operation may not be performed if a resistance, etc. is connected. Table 10 Discharge Start Voltage (VCPOUT1) Operation Input Voltage (V IN) Operation Temperature Range 1.8 V, 2.0 V 0.37 V min. Ta = −30°C to +60°C 1.8 V to 2.4 V 0.39 V min. Ta = −40°C to +85°C Caution The above connection diagram and constant will not guarantee successful operation. Perform thorough evaluation using the actual application to set the constant.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01  Standard Circuit CCPOUT S-8880A Series CPOUT VSS VIN OUT VM Figure 11 Circuit for Step-up DC-DC Converter Startup Caution The above connection diagram and constant will not guarantee su ccessful operation. Perform thorough evaluation using the actual application to set the constant.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01  Precautions

• If the consumption current during power-off (I SSS) needs to be kept at 0.8 μA or lower, set the VM pin voltage (V VM) so that conditions (1) and (2) below are satisfied. (1) VVM ≥ Power-off voltage (VOFF) (2) Operation input voltage (VIN) + 1.0 V ≤ VVM ≤ 3.0 V
• If the discharge start voltage (V CPOUT1) of the S-8880A Series is lower than the operation voltage of the step-up DC-DC converter to be started, the step-up DC-DC converter may not start up. When selecting products, fully check them using an actually mounted model. Refer to " Selection of Startup Capacitor (CCPOUT)" for details.
• Select a capacitor with a sufficiently large capacitance fo r the startup capacitor. In the case of a capacitor with insufficient capacitance, the step-up DC-DC converter may not start up. When selecting products, fully check them using an actually mounted model. Refer to " Selection of Startup Capacitor (CCPOUT)" for details.
• The discharge start delay time (t OUT) will be longer according to conditions (1), (2), and (3) below. Also note it will be further longer when these conditions are combined. (1) The operation input voltage (VIN) is low. (2) The discharge start voltage (VCPOUT1) is high. (3) The capacitance of startup capacitor (CCPOUT) is large.
• When stopping the discharge to the OUT pin and recharging the startup capacitor (C CPOUT), C CPOUT needs to be discharged until CPOUT pin voltage (V CPOUT) decreases to discharge stop voltage (V CPOUT2) or lower. In this case, set the condition as follows: Condition: OUT pin voltage (VOUT) < VCPOUT2
• When not using the VM pin in actual use, be sure to connect it to the VSS pin. If the VM pin is left open, it may cause malfunctions.
• Note that the operation to restart the step-up DC-DC converter does not start when CPOUT pin voltage (V CPOUT) exceeds the discharge stop voltage (V CPOUT2) even if the power-off status is released. The operation to restart the step-up DC-DC converter restarts if V CPOUT decreases to V CPOUT2 or lower by discharge of the startup capacitor (CCPOUT).
• Do not connect a high resistance to the VM pin. Note that the VM pin input current (I VM) max. may not flow if a high resistance is connected.
• The S-8880A Series can start up the step-up DC-DC converter more reliably as the discharge start voltage (V CPOUT1) is higher and the capacitance of the startup capacitor (C CPOUT) is larger. However, note that the time from when the power is input until the step-up DC-DC converter starts becomes longer in this case.
• In the S-8880A Series, the capacitance of the startup capacitor (C CPOUT) can be more lowered as the discharge start voltage (V CPOUT1) is higher, but note that if V CPOUT1 > 2.0 V, the minimum operation input voltage (V IN min.) (the minimum input voltage value required for power to be output from the OUT pin of the S-8880A Series) rises from 0.37 V to 0.39 V (Refer to Table 10).
• When the capacitance of the startup capacitor (C CPOUT) is lower, the discharge operation may start if the ripple voltage of the CPOUT pin reaches the discharge start voltage (V CPOUT1). The influence of the ripple voltage can be reduced by setting CCPOUT larger in this case.
• Do not connect a load other than a capacitance to the CPOUT pin. Note that the discharge operation may not be performed if a resistance, etc. is connected.
• When the operation input voltage (V IN) is higher or the OUT pin current is extremely low, the CPOUT pin voltage (VCPOUT) equal to or more than the discharge start voltage (VCPOUT1) may be output.
• When designing for mass production using the applicati on circuit described herein, the product deviation and temperature characteristics should be taken into consideration. SII Semiconductor Corporation shall not bear any responsibility for the products on the circuits described herein.
• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit.
• SII Semiconductor Corporation claims no responsibility for any disputes arising out of or in connection with any infringement by products including this IC of patents owned by a third party.

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series  Characteristics (Typical Data) 1. Example of major voltage characteristics (Ta = +25°C) 1. 1 Discharge start voltage (V CPOUT1), discharge stop voltage (VCPOUT2) vs. Input voltage (VIN) VCPOUT1(S) = 1.8 V VCPOUT1(S) = 2.4 V 2.2 VCPOUT1, VCPOUT2 [V] 3.0 VIN [V] 2.0 1.8 1.6 1.4 1.2 1.0 0.8 VCPOUT2 VCPOUT1 2.8 VCPOUT1, VCPOUT2 [V] 3.0 VIN [V] 2.6 2.4 2.2 2.0 1.8 1.6 1.4 VCPOUT2 VCPOUT1 1. 2 Discharge start delay time (t OUT) vs. Input voltage (VIN) VIN ≤ 0.7 V, CCPOUT = 10 μF V IN ≥ 0.7 V, CCPOUT = 10 μF tOUT [s] 0.7 VIN [V] 0.60.50.40.3 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V 0.8 tOUT [s] 3.0 VIN [V] 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V 1. 3 Discharge start delay time (t OUT) vs. Capacitance of startup capacitor (CCPOUT) VIN = 1.0 V 100 0.1 tOUT [s] 100 CCPOUT [F] 0.01 1 10 VCPOUT1(S) = 2.4 V, VIN = 0.37 V VCPOUT1(S) = 1.8 V, VIN = 0.35 V VCPOUT1(S) = 1.8 V, VIN = 0.60 V VCPOUT1(S) = 2.4 V, VIN = 0.60 V tOUT [s] 100 CCPOUT [F] 0.01 0.1 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V VIN = 2.0 V VIN = 3.0 V tOUT [s] 100 CCPOUT [F] 0.01 0.1 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V tOUT [s] 100 CCPOUT [F] 0.01 0.1 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01 1. 4 Current consumption during operation (I SS) 1. 5 Current consumption during power-off (I SSS) vs. Input voltage (V IN) vs. Input voltage (V IN) VCPOUT = 0 V VVM = 3.0 V 1.8 ISS [mA] 3.0 VIN [V] 0.0 1.5 1.2 0.9 0.6 0.3 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V ISSS [nA] 2.0 VIN [V] 0.0 1.51.00.5 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V 1. 6 Power-off voltage (V OFF) vs. Input voltage (VIN) 1. 7 VM pin input current (I VM) vs. VM pin voltage (VVM) 2.8 VOFF [V] 3.0 VIN [V] 1.4 2.6 2.4 2.2 2.0 1.8 1.6 VOFF(S) = 2.5 V VOFF(S) = 1.9 V 1.2 IVM [μA] 3.0 VVM [V] 0.0 1.0 0.8 0.6 0.4 0.2 VOFF(S) = 2.5 V VOFF(S) = 1.9 V

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series 2. Example of major temperature characteristics (Ta = −40°C to +85°C) 2. 1 Discharge start voltage (V CPOUT1), discharge stop voltage (VCPOUT2) vs. Temperature (Ta) VCPOUT1(S) = 1.8 V VCPOUT1(S) = 2.4 V −40 8575 50 25 0−25 Ta [C] 2.2 VCPOUT1, VCPOUT2 [V] 2.0 1.8 1.6 1.4 1.2 1.0 0.8 VCPOUT2 VCPOUT1 −40 8575 50 25 0−25 Ta [C] 2.8 VCPOUT1, VCPOUT2 [V] 2.6 2.4 2.2 2.0 1.8 1.6 1.4 VCPOUT2 VCPOUT1 2. 2 Discharge start delay time (t OUT) vs. Temperature (Ta) CCPOUT = 10 μF C CPOUT = 10 μF 40 85 75 50 25 025 Ta [C] tOUT [s] VCPOUT1(S) = 2.4 V, VIN = 0.39 V VCPOUT1(S) = 1.8 V, VIN = 0.37 V 40 85 75 50 25 025 Ta [C] tOUT [s] 1.2 0.0 1.0 0.8 0.6 0.4 0.2 VCPOUT1(S) = 2.4 V, VIN = 0.6 V VCPOUT1(S) = 1.8 V, VIN = 0.6 V VCPOUT1(S) = 1.8 V, VIN = 1.0 V VCPOUT1(S) = 2.4 V, VIN = 1.0 V VIN = 2.0 V, CCPOUT = 10 μF V IN = 3.0 V, CCPOUT = 10 μF 40 85 75 50 25 025 Ta [C] tOUT [s] 0.5 0.4 0.3 0.2 0.1 0.0 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V 40 85 75 50 25 025 Ta [C] tOUT [s] 0.5 0.4 0.3 0.2 0.1 0.0 VCPOUT1(S) = 2.4 V VCPOUT1(S) = 1.8 V 2. 3 Current consumption during operation (I SS) vs. Temperature (Ta) VCPOUT = 0 V VCPOUT = 0 V 40 85 75 50 25 025 Ta [C] ISS [mA] 0.25 0.20 0.15 0.10 0.05 0.00 VCPOUT1(S) = 2.4 V, VIN = 0.39 V VCPOUT1(S) = 1.8 V, VIN = 0.37 V −40 8575 50 25 0−25 Ta [C] ISS [mA] 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 VCPOUT1(S) = 2.4 V, VIN = 0.6 V VCPOUT1(S) = 1.8 V, VIN = 0.6 V VCPOUT1(S) = 1.8 V, VIN = 1.0 V VCPOUT1(S) = 2.4 V, VIN = 1.0 V

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01 2. 4 Current consumption during power-off (I SSS) 2. 5 Power-off voltage (V OFF) vs. Temperature (Ta) vs. Temperature (Ta) VVM = 3.0 V 40 85 75 50 25 025 Ta [C] ISSS [nA] VIN = 2.0 VVIN = 1.0 VVIN = 0.35 V −40 8575 50 25 0−25 Ta [C] VOFF [V] 2.8 1.6 2.6 2.4 2.2 2.0 1.8 VOFF(S) = 2.5 V VOFF(S) = 1.9 V 2. 6 Discharge control switch resistance (R M1) 2. 7 Discharge control switch leakage current (I LEAK) vs. Temperature (Ta) vs. Temperature (Ta) V VM = VCPOUT = 3.0 V, VIN = VOUT = 0 V −40 8575 50 25 0−25 Ta [C] RM1 [Ω] VCPOUT1(S) = 1.8 V VCPOUT1(S) = 2.4 V −40 8575 50 25 0−25 Ta [C] ILEAK [nA] VCPOUT1(S) = 1.8 V VCPOUT1(S) = 2.4 V 2. 8 VM pin input current (I VM) vs. Temperature (Ta) VVM = 3.0 V −40 8575 50 25 0−25 Ta [C] IVM [A] 1.2 0.0 1.0 0.8 0.6 0.4 0.2 VOFF(S) = 2.5 V VOFF(S) = 1.9 V

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP Rev.1.0_01 S-8880A Series  Marking Specifications 1. SOT-23-5 123 Top view (1) (2) (3) (4) (1) to (3): Product code (Refer to Product name vs. Product code) (4): Lot number Product Name vs. Product Code Product Name Product Code (1) (2) (3) S-8880A18-M5T1U Q Y K S-8880A20-M5T1U Q Y L S-8880A22-M5T1U Q Y M S-8880A24-M5T1U Q Y N 2. SNT-8A Top view 14 3 2 85 6 7 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (1): Blank (2) to (4): Product code (Refer to Product name vs. Product code) (5), (6): Blank (7) to (11): Lot number Product Name vs. Product Code Product Name Product Code (2) (3) (4) S-8880A18-I8T1U Q Y K S-8880A20-I8T1U Q Y L S-8880A22-I8T1U Q Y M S-8880A24-I8T1U Q Y N

ENERGY HARVESTING POWERED BY ULTRA-LOW POWER AND ULTRA-LOW VOLTAGE OPERATION BOOST CHARGE PUMP FOR STEP-UP DC-DC CONVERTER STARTUP S-8880A Series Rev.1.0_01  Power Dissipation 0 25 50 75 100 125 150 1750.0 0.2 0.4 0.6 0.8 1.0 Ambient temperature (Ta) [C] Power dissipation (PD) [W] Tj = 125C max. SOT-23-5 B A 0 25 50 75 100 125 150 1750.0 0.2 0.4 0.6 0.8 1.0 Ambient temperature (Ta) [C] Power dissipation (PD) [W] Tj = 125C max. SNT-8A B A Board Power Dissipation (PD) Board Power Dissipation (PD) A 0.52 W A 0.47 W B 0.63 W B 0.58 W C − C − D − D − E − E −

(1) (2) Board A Item Specification Size [mm] 114.3 x 76.2 x t1.6 Material FR-4 Number of copper foil layer 2 Copper foil layer [mm] Land pattern and wiring for testing: t0.070 74.2 x 74.2 x t0.070 74.2 x 74.2 x t0.070 Thermal via - Board B Item Specification Size [mm] 114.3 x 76.2 x t1.6 Thermal via - Material FR-4 Number of copper foil layer 4 Copper foil layer [mm] Land pattern and wiring for testing: t0.070 74.2 x 74.2 x t0.035 74.2 x 74.2 x t0.035 IC Mount Area SOT-23-3/5/6 Test Board No. SOT23x-A-Board-SD-1.0 SII Semiconductor Corporation

(1) (2) Thermal via - Material FR-4 Number of copper foil layer 4 Copper foil layer [mm] Land pattern and wiring for testing: t0.070 74.2 x 74.2 x t0.035 74.2 x 74.2 x t0.035 74.2 x 74.2 x t0.070 Thermal via - Board B Item Specification Size [mm] 114.3 x 76.2 x t1.6 Number of copper foil layer 2 Copper foil layer [mm] Land pattern and wiring for testing: t0.070 74.2 x 74.2 x t0.070 Board A Item Specification Size [mm] 114.3 x 76.2 x t1.6 Material FR-4 IC Mount Area SNT-8A Test Board No. SNT8A-A-Board-SD-1.0 SII Semiconductor Corporation

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