AP3602A DIODES | Alldatasheet

Document overview

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Technical content

Features

  • Low-Quiescent Current: 13µA Typical
  • Regulated Output Voltage Precision: 4%
  • High-Output Current:  100mA when VIN ≥ 3.0V  50mA when VIN ≥ 2.7V
  • High Frequency up to 1.2MHz
  • Low Shutdown Supply Current: <1µA
  • High-Output Peak Current: 250mA for 100ms
  • Overtemperature Protection
  • Operating Temperature Range: -40°C to +85°C
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
  • Halogen and Antimony Free. “Green” Device (Note 3) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant . 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlori ne (<1500ppm total Br + Cl) and <1000ppm antimony compounds. Typical Applications Circuit VIN=2.7V to 4.2V 10µF 1µF VIN VOUT GND SHDN AP3602A C+ C- 10µF 4 * 120Ω LED's VF=3.2V 6 4 AP3602A Typical Application Circuit AP3602A Document number: DS36841 Rev. 4 - 2 1 of 11 www.diodes.com August 2019 © Diodes Incorporated

Pin Number Package Name Function 1 VOUT Regulated Output Voltage. V OUT should be bypassed with a 1µF to 22µF low ESR ceramic capacitor, which is placed as close to the pin as possible for best performance 2 GND Ground. GND should be tied to a ground plane for best performance. The C OUT and CIN should be placed as close to this pin as possible 3 SHDN Active Low Shutdown Input. A low signal on SHDN disables the AP3602A, while a high signal enables the AP3602A. SHDN pin must not be allowed to float 4 C Flying Capacitor Negative Terminal. The flying capacitor should be placed as close to this pin as possible 5 VIN Input Supply Voltage. V IN should be bypassed with a 1µF to 22µF low ESR ceramic capacitor which is placed as close to the pin as possible for best performance 6 C+ Flying Capacitor Positive Terminal. The flying capacitor should be placed as close to this pin as possible AP3602A Document number: DS36841 Rev. 4 - 2 2 of 11 www.diodes.com August 2019 © Diodes Incorporated

11.25V OSC COMP EN R1 CONTROL + - OTP VOUT GND VIN SHDN Absolute Maximum Ratings (Note 4) Symbol Parameter Value Unit VIN Input Voltage 7 V VO Output Voltage 7 V VSHDN SHDN Pin Voltage 7 V ϴJA Thermal Resistance (Junction to Ambient, no Heat sink) 300 °C/W TJ Operating Junction Temperature +150 °C TSTG Storage Temperature Range -65 to +150 °C TLEAD Lead Temperature (Soldering, 10s) +260 °C – ESD (Human Body Model) 2000 V Note 4. Stresses greater than those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions is not implied. Exposure to Absolute Maximum Ratings for extended periods may affect device reliability. Recommended Operating Conditions Symbol Parameter Min Max Unit VIN Input Voltage 2.7 5 V TA Operating Temperature -40 +85 °C AP3602A Document number: DS36841 Rev. 4 - 2 3 of 11 www.diodes.com August 2019 © Diodes Incorporated

Electrical Characteristics (@CFLY = 1µF, CIN = COUT = 10µF, TA = +25°C, unless otherwise specified.) Symbol Parameter Conditions Min Typ Max Unit VIN Input Voltage VO = 5V 2.7 — VO V IQ Quiescent Current VIN = 2.7V to 5.0V, IO = 0mA, VSHDN = VIN, Not Switching — 13 30 µA VO Output Voltage 2.7V < VIN < 5V, IO ≤ 50mA 4.8 5.0 5.2 V 3.0V < VIN < 5V, IO ≤ 100mA 4.8 5.0 5.2 Shutdown Supply Current 2.7V < VIN < 3.6V, IO = 0, VSHDN = 0V — 0.01 1 µA 3.6V < VIN < 5.0V, IO = 0, VSHDN = 0V — — 2.5 VRIPPLE Ripple Voltage VIN = 2.7V, IO = 50mA — 25 — mVPP VIN = 3V, IO = 100mA — 30 — η Efficiency VIN = 2.7V, IO = 50mA — 92 — % fOSC Frequency Oscillator free running — 1.2 — MHz VIH SHDN Input Threshold High — 1.4 — — V VIL SHDN Input Threshold Low — – — 0.3 IIH SHDN Input Current High VSHDN = VIN -1 — 1 µA IIL SHDN Input Current Low VSHDN = GND -1 — 1 tON VOUT Turn-on Time VIN = 3V, IO = 0mA — 0.2 — ms ISC Short-Circuit Current VIN = 3V, VO = GND, VSHDN = 3V — 300 — mA ISHDN AP3602A Document number: DS36841 Rev. 4 - 2 4 of 11 www.diodes.com August 2019 © Diodes Incorporated

Application Information

The AP3602A uses a switched-capacitor charge pump to boost the input voltage to a regulated- output voltage. Regulation is achieved by sensing the chip output voltage through an internal-resistor divider network. Controlled by an internal comparator (refer to the functional block diagram), the charge-pump circuit is enabled when the divided output voltage is below a preset trip point. The charge pump operates at 1.2MHz with 50% duty cycle. Convers ion consists of a two- phase operation. In the first phase, switches S2 and S3 are opened, and S1 and S4 are closed. During this time, C FLY charges to the voltage on V IN, and load current is supplied by C OUT. During the second phase, S2 and S3 are closed, and S1 and S4 are opened. This action connects C FLY low side to V IN and CFLY high side to V OUT then a voltage of about 2 × VIN is used to charge COUT and supply the load current. For each cycle, charge is transported from VIN to VOUT to maintain the output voltage in its nominal value. This process breaks when the V OUT is high enough for the reason of higher input voltage or lower load then the divided voltage at the control comparator exceeds the internal trip point high level, which compels the charge- pump circuit enter to the idle mode in which the switching cycle stops (pulse skipping), and the output voltage is continually decreased because it is maintained by the discharging of C OUT only. In idle mode, the feedback circuit continues sensing VOUT. If the divided voltage at the control comparator drops below the preset trip point, the comparator starts the switching cycle again. In idle mode, the AP3602A's quiescent current is about 13µA. In shutdown mode, all internal circuitry is turned off , and the AP3602A draws only leakage current from VIN, which is less than 1µA. So, the shutdown power loss for AP3602A is very low, which is beneficial to the battery supplied systems. Short Circuit and Thermal Protection The AP3602A has a thermal protection and shutdown circuit that continuously monitors the IC junction temperature. When output short -circuit occurs, the short -circuit current is about 300mA (Typical). Under this condition, the I IN is about 2 × Iout, which causes about 1.8W instant power dissipation on AP3602A that causes a rise in the internal IC junction temperature. If the thermal -protection circuit senses the junction temperature exceeding approximately + 160°C, the thermal -shutdown circuit disable s the charge-pump switching circuit. The thermal hysteresis is about +10°C, which means that the charge-pump circuit can be active when the short circuit is removed, and the junction temperature drops below +150°C. The thermal shutdown protection cycles on and off if an output short-circuit condition persists. This allows the AP3602A to operate on a short-circuit condition without latch up or damage to the device. AP3602A Document number: DS36841 Rev. 4 - 2 5 of 11 www.diodes.com August 2019 © Diodes Incorporated

Performance Characteristics (Unless otherwise noted, VIN = 3.0V, CIN = COUT = 10µF, CFLY = 1µF Ceramic Cap, TA = +25°C) Output Voltage vs. Output Current Efficiency vs. Input Voltage Efficiency vs. Output Current V OUT Start Up Time, @ No Load V OUT Start Up Time, @50mA Load VOUT Start Up Time, @100mA Load 0 25 50 75 100 125 150 4.0 4.2 4.4 4.6 4.8 5.0 5.2 Output Voltage (V) Output Current (mA) AP3602-5.0V, VIN=3.0V AP3602-5.0V, VIN=2.7V 100 Efficiency (%) Input Voltage (V) AP3602-5.0V, IOUT=25mA AP3602-5.0V, IOUT=50mA AP3602-5.0V, IOUT=100mA 0.1 1 10 100 70.0 72.5 75.0 77.5 80.0 82.5 85.0 87.5 90.0 92.5 95.0 Efficiency (%) Output Current (mA) AP3602-5.0V, VIN=2.7V AP3602-5.0V, VIN=3.0V Time 40µs/div VSHDN 2V/div VOUT 1V/div VSHDN 0V to 3V VSHDN 2V/div VOUT 1V/div VSHDN 0V to 3V Time 40µs/div Time 40µs/div VSHDN 2V/div VOUT 1V/div VSHDN 0V to 3V AP3602A Document number: DS36841 Rev. 4 - 2 6 of 11 www.diodes.com August 2019 © Diodes Incorporated

Performance Characteristics (cont.) (Unless otherwise noted, VIN = 3.0V, CIN = COUT = 10µF, CFLY = 1µF Ceramic Cap, TA = +25°C) Load Transient Response Load Transient Response Output Ripple @ VIN = 2.7V, IOUT = 0mA Output Ripple @ VIN = 2.7V, IOUT = 50mA Output Ripple @ V IN = 2.7V, IOUT = 100mA Time 200µs/div IOUT 50mA/div VOUT 50mV/div IOUT 50mA/div VOUT 50mV/div IOUT 0mA to 50mA Time 200µs/div IOUT 0mA to 100mA Time 2ms/div Output Ripple 10mV/div Output Ripple 10mV/div Time 400ns/div Time 400ns/div Output Ripple 10mV/div AP3602A Document number: DS36841 Rev. 4 - 2 7 of 11 www.diodes.com August 2019 © Diodes Incorporated

Performance Characteristics (cont.) (Unless otherwise noted, VIN = 3.0V, CIN = COUT = 10µF, CFLY = 1µF Ceramic Cap, TA = +25°C) Supply Current vs. Supply Voltage Supply Current vs. SHDN Voltage Oscillator Frequency vs. Supply Voltage Normalized Output Voltage vs. Temperature VIH vs. VIN VIL vs. VIN Supply Current (µA) Supply Voltage (V) No Load, Not Switching 0 1 2 3 4 5 Supply Current (µA) SHDN Voltage (V) VIN=2.7V VIN=3.0V 1000 1100 1200 1300 1400 1500 1600 1700 1800 Frequency (kHz) Supply Voltage (V) TA=-50 o C TA=25 o C TA=100 o C -50 -25 0 25 50 75 100 -1.00 -0.75 -0.50 -0.25 0.00 0.25 0.50 0.75 1.00 Normalized Output Voltage (%) Temperature ( o VIN=3.0V, IOUT=25mA 0.5 0.6 0.7 0.8 0.9 1.0 SHDN Input Threshold High Voltage (V) Input Voltage (V) TA=-40 o C TA=25 o C TA=85 o C 0.5 0.6 0.7 0.8 0.9 1.0 SHDN Input Threshold Low Voltage (V) Input Voltage (V) TA=-40 o C TA=25 o C TA=85 o C AP3602A Document number: DS36841 Rev. 4 - 2 8 of 11 www.diodes.com August 2019 © Diodes Incorporated

Ordering Information

TR : Tape & ReelA : 5V Product Name G1 : Green Output Voltage K : SOT-23-6 RoHS/Green Diodes IC’s Pb-free products with "G1" suffix in the part number, are RoHS compliant and green (HF). Package Temperature Range Part Number Marking ID Packing SOT26 (Type CJ) -40°C to +85°C AP3602AKTR-G1 G7T 3000/7” Tape & Reel Marking Information (Top View) XXX : Logo XXX: Marking ID (See Ordering Information) K: SOT26 (Type CJ) AP3602A Document number: DS36841 Rev. 4 - 2 9 of 11 www.diodes.com August 2019 © Diodes Incorporated

Package Outline Dimensions (All dimensions in mm (inch).) Please see http://www.diodes.com/package-outlines.html for the latest version. SOT26 (Type CJ) SOT26 (Type CJ) Dim Min Max Typ A 1.050 1.250 -- A1 0.00 0.10 -- A2 1.050 1.150 -- b 0.300 0.500 -- c 0.100 0.200 -- D 2.820 3.020 -- E 2.650 2.950 -- E1 1.500 1.700 -- e 0.950BSC e1 1.800 2.000 -- L 0.300 0.600 -- a 0° 8° -- All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SOT26 (Type CJ) Dimensions Value (in mm) C 0.95 C1 1.90 C2 2.40 X 0.60 Y 1.00 D E E1 b L c a A 0.200 e C X Y AP3602A Document number: DS36841 Rev. 4 - 2 10 of 11 www.diodes.com August 2019 © Diodes Incorporated

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