AP7201

Document overview

  • Manufacturer or author: DISCONTINUED
  • PDF pages: 13

Technical content

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 2 1 of 13 A P R I L 2 0 0 8 www.diodes.com © Diodes Incorporated DISCONTINUED

  • Wide input voltage range: 1.9V – 5.5V
  • Low dropout voltage: 100mV at 100mA output current
  • Very low quiescent current (Iq): 25uA typical
  • Fixed output voltage: 1.0V to 3.3V
  • Up to 150mA per output channel
  • Very fast transient response
  • High PSRR: 78dB at 1kHz
  • Accurate voltage regulation
  • 300mA current limiting
  • Thermal shutdown protection
  • Ambient temperature range -40ºC to 85°C
  • Package available: DFN2018-6 (USP-6B)
  • DFN2018-6 (USP-6B): Available in “Green” Molding Compound (No Br, Sb)
  • Lead Free Finish / RoHS Compliant (Note 1) The AP7201 is a dual low-dropout (LDO) CMOS linear regulator. The device operates from 1.9V to 5.5V input and delivers up to 150mA per output channel. The AP7201 includes a pass element, voltage reference, error amplifier, current limit and built-in phase compensation. Key features include individual logic-compatible enable/shutdown control inputs, fold-back current limit and thermal shutdown protections. The AP7201 is fully compatible with low ESR ceramic capacitors, reducing cost and improving output stability. The fixed output voltage for each channel is set independently. Voltages are 100mV per step within a range of 1.0V to 3.3V. The EN function allows the output of each channel to be turned off independently, resulting in greatly reduced power consumption. The AP7201 is available in the DFN2018-6 (USP-6B) package.
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  • GPS AP 7201 - XX X X Package FM : DFN2018-6 (USP-6B) G : Green - 7 : Taping & Reel XX Lead Free Packing 10: 1.0V 11: 1.1V 33: 3.3V XX Output 2 Output 1 10: 1.0V 11: 1.1V 33: 3.3V (Note 2) Device Pb-Free or Green Package Code Packaging (Note 3) 7” Tape and Reel Quantity Part Number Suffix AP7201-1818FMG-7 FM DFN2018-6 (USP-6B) 3000/Tape & Reel -7 AP7201-1828FMG-7 FM DFN2018-6 (USP-6B) 3000/Tape & Reel -7 AP7201-2828FMG-7 FM DFN2018-6 (USP-6B) 3000/Tape & Reel -7 please contact your local Diodes, Inc. sales representative. 3. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf Features General Description

Applications

Ordering Information

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 2 2 of 13 A P R I L 2 0 0 8 www.diodes.com © Diodes Incorporated DISCONTINUED EN2 VIN EN1 DFN2018-6 (USP-6B) VOUT2 VOUT1 VSS ( Top View ) Pin Descriptions Pin Name Pin Number Function EN2 1 Enable input 2 (Active High) VIN 2 Voltage input pin. Bypass to ground through at least 0.22µF ceramic capacitor. EN1 3 Enable input 1 (Active High) GND (VSS) 4 Ground OUT1 5 Voltage output 1. Bypass to ground through at least 0.22µF ceramic capacitor. OUT2 6 Voltage output 2. Bypass to ground through at least 0.22µF ceramic capacitor. Typical Application Circuits EN2 IN EN1 OUT2 OUT1 GND ON OFF 1uF VIN 1uF VOUT2 1uF VOUT1 ON OFF Pin Assignments

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 3 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Absolute Maximum Ratings Symbol Description Rating Unit ESD HBM Human Body Model ESD Protection 4 KV ESD MM Machine Model ESD Protection 250 V Ven1 MAX Enable 1 Voltage V IN + 0.3 V Ven2 MAX Enable 2 Voltage V IN + 0.3 V Vout1MAX Output 1 Voltage V IN + 0.3 V Vout2MAX Output 2 Voltage V IN + 0.3 V VinMAX Input Voltage 6.5 V I OUT MAX Continuous Load Current per Channel 150 mA TLEAD Lead Temperature 260 °C TST Storage Temperature -65 to 150 °C TJ Maximum Junction Temperature 150 °C PD MAX Power Dissipation (Notes 4, 5, 6) DFN2018-6 (USP-6B) 1700 mW N o t e s : 4 . TJ, max =150°C. 5. Ratings apply to ambient temperature at 25°C. Recommended Operating Conditions Symbol Description Min Max Unit VIN Input Voltage 1.9 5.5 V IOUT Output Current per Channel 0 150 mA TA Operating Ambient Temperature -40 85 °C

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 4 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED

Electrical Characteristics

( TA = 25oC, VIN = VEN, CIN = 1uF, COUT = 1uF unless otherwise stated ) Symbol Parameter Test Conditions Min Typ. Max Unit VIN Operation Input Voltage Range 1.9 5.5 V IQ Input Quiescent Current I OUT= 0 ⎯ 25 45 uA IQ(OFF) Input Shutdown Current V EN = 0V ⎯ 1 uA ILK(OFF) Input Leakage Current V EN = 0V, OUT grounded ⎯ 1 uA VDropout Dropout Voltage VOUT = 1.8V, IOUT= 100mA 170 220 mV VDropout VOUT = 3.3V, IOUT= 100mA 100 150 mV VOUT Output Voltage Accuracy -2 2 % ΔVOUT/ΔVIN/VO UT Line Regulation VIN = VOUT+0.2V (VIN > 1.9V) to 5.0V, IOUT= 1mA 0.01 0.2 %/V ΔVOUT Load Regulation I OUT from 1mA to 100mA 5 30 mV tST Start-up Time V EN = 0V to 2.0V, IOUT= 150mA 50 us PSRR PSRR 1kHz, I OUT= 30mA 78 dB ISHORT Short-circuit Current V IN = 5.0V, VOUT < 0.2V 40 mA ILIMIT Current Limit V IN = VOUT + 1.0V 300 mA VIL EN Input Logic Low Voltage 0.25 V VIH EN Input Logic High Voltage 1.6 V IEN EN Input Leakage V EN = 0V or Vin ⎯ 0.1 uA TSHDN Thermal Shutdown Threshold 145 °C THYS Thermal Shutdown Hysteresis 15 °C θJA Thermal Resistance Junction-to-Ambient (Note 6) DFN2018-6 70 oC/W Notes: 6. Test condition for DFN2018-6: Device mounted on FR-4 2-layer board, 2oz copper, with minimum recommended pad on to p l a y e r a n d 3 v i a s t o bottom layer 1.0”x1.4” ground plane.

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 5 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Typical Performance Characteristics Dropout Voltage vs. Output Current 1.8V Output Voltage 100 120 140 160 180 200 02 0 4 0 6 0 8 0 1 0 0 Output Current (mA) Vdrop (mV) 85°C -40°C 25°C Dropout Voltage vs Output Current 3.3V Output Voltage 100 120 0 2 04 06 08 0 1 0 0 Output Current (mA) Vdrop (mV) 85°C -40°C 25°C Current Limit vs. Temperature 150 200 250 300 - 4 0 - 2 00 2 04 06 08 0 Temperature (Celsius) Output Current (mA) 1.8V Output 3.3V Output Short Circuit Protection 100 200 300 22 . 533 . 544 . 555 . 56 Input Voltage (V) Output Current (mA) 1.8V Output 3.3V Output Quiescent Current vs. Input Voltage 1.8V Fixed Output 2.8 3.8 4.8 5.8 Input Voltage (V) Quiescent Current (uA) -4 0 ° C 25 °C +85 °C Quiescent Current v s. Input Voltage 3.3V fixed output 4.3 4.8 5.3 5.8 Input Voltage (V) Quiescent Current (uA) -40 ° C 25°C 85°C Vin = Vout + 1 Vin = (Vout + 1) to 6V

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 6 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Typical Performance Characteristics (Continued) Output Voltage vs Output Current 1.8V Fixed Output 0.5 1.5 0 50 100 150 200 250 300 Output Current (mA) Output Voltage (V) Output Voltage vs Output Current 3.3V Fixed Output 0.5 1.5 2.5 3.5 0 50 100 150 200 250 300 Output Current (mA) Output Voltage (V) Line Regulation 1.8V Fixed Output -0.2 -0.1 0.0 0.1 0.2 VIN (V) Change in V OUT (%/V) -40°C 85°C 25°C Line Regulation 3.3V Fixed Output -0.2 -0.1 0.0 0.1 0.2 3.5 4.0 4.5 5.0 Input Voltage (V) Change in VOUT (%/V) -40°C 85°C 25°C Load Regulation 1.8V Fixed Output -0.1 1.9 3.9 5.9 7.9 9.9 11.9 0 2 04 06 08 0 1 0 0 Outpu t Current (mA) Change in Vout (mV) 85 ° C 25 °C -40 °C Load Regulation 3.3V Fixed Output -0.1 0.1 0.3 0.5 0.7 0.9 1.1 1.3 0 2 04 06 08 0 1 0 0 Output Current (mA) Change in Vout (mV) -40°C 25 ° C 85°C Vin=2.8V, CIN=COUT=1uF Vin=4.3V, CIN=COUT=1uF

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 7 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Typical Performance Characteristics (Continued) PSRR (Vin=2.8V @ Ta=25C) 1.8V Fixed Output 0.1 1 10 100 Fre que ncy (KHz) PSRR (dB) 30mA - Output Load 100mA - Output Load 150mA - Output Load PSRR (Vin= 4.3V @ Ta=25C) 3.3V Fixed Output 0.1 1 10 100 Frequency (KHz) PSRR (dB) 30mA - Output Load 100mA - Output Load 150mA - Output Load Start-up Time (Vout=3.3V, Iout=0mA) Time (20us/div) Start-up Time (Vout=3.3V, Iout=150mA) Time (20us/div) Current Limit Protection (Vout=3.3V) Time (50us/div) Short Circuit Protection (Vout=3.3V) Time (1ms/div) Ven 1V/div Vout 2V/div Ven 1V/div Vout 2V/div Vout 2V/div Iout 100mA/div Vout 2V/div Iout 50mA/div

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 8 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Typical Performance Characteristics (Continued) Line Transient Response Time (20us/div) Line Transient Response Time (20us/div) Output Load Transient Response (Vout=1.0V) Time (40us/div) Output Load Transient Response (Vout=1.8V) Time (40us/div) Vin=4.0 to 5.0V Cout=1uF (ceramic) Iout=150mA Vin 1V/div Vout 50mV/div Iout 100mA/div Vin=5.0V to 4.0V Cout=1uF (ceramic) Iout=150mA Vin 1V/div Vout 50mV/div Iout 100mA/div Tf=Tr=5us Cout=1uF (ceramic) Vout 100mV/div Iout 50mA/div Tf=Tr=5us Cout=1uF (ceramic) Vout 50mV/div Iout 100mA/div

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 9 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Typical Performance Characteristics (Continued) Output Load Transient Response (Vout=2.8V) Time (40us/div) Output Load Transient Response (Vout=3.0V) Time (40us/div) Output Load Transient Response (Vout=3.3V) Time (40us/div) Tf=Tr=5us Cout=1uF (ceramic) Tf=Tr=5us Cout=1uF (ceramic) Tf=Tr=5us Cout=1uF (ceramic) Vout 50mV/div Iout 100mA/div Vout 50mV/div Iout 100mA/div Vout 100mV/div Iout 50mA/div

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 10 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Application Note Input Capacitor AP7201 requires a minimum input capacitance of 0.22μF ceramic capacitor between VIN and GND pins to prevent any impedance interactions with the supply. This input capacitor should be located as close as possible to the device to assure input stability and less noise. For PCB layout, a wide copper trace is required for both IN and GND. Output Capacitor AP7201 requires a minimum of 0.22 μF capacitance on each output to stabilize the transient response of the LDO. The AP7201 is designed to have excellent transient response for most applications with a small amount of output capacitance. A ceramic capacitor is recommended on each channel to connect between OUT and GND pins. The device is also stable with multiple capacitors in parallel, which can be of any type of value. Larger capacitance helps to reduce undershoot and overshoot during transient and provides better stability and noise performance. This output capacitor should be placed as close as possible to OUT and GND pins for optimum performance. No Load Stability Other than external resistor divider, no minimum load is required to keep the device stable. The device will remain stable and regulated in no load condition. ENABLE/SHUTDOWN Operation The AP7201 is turned on by setting the EN pin high by pulling to input voltage (VIN), and is turned off by pulling it low (GND). The EN function allows the output of each regulator to be turned off independently, resulting in greatly reduced power consumption. The EN pin should be tied to VIN pin to keep the regulator output on at all time. To ensure proper operation, the signal source used to drive the EN pin must be able to swing above and below the specified turn-on/off voltage thresholds listed in the Electrical Characteristics section under V IL and VIH. Current Limit Protection In the presence of a short or excessive load current condition, the AP7201 uses an internal short circuit fold-back mechanism that triggers the current limit protection and clamps the output current to approximately 300mA. Short Circuit Protection When OUT pin is short-circuited to GND or OUT pin voltage is less than 200mV, short circuit protection will be triggered and clamp the output current to approximately 40mA typical. This feature protects the regulator from over-current and damage due to overheating.

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 11 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Application Note (Continued) Wide Fixed Output Range The AP7201, with a wide fixed output range of 1V to 3.3V, provides a versatile solution for many portable and low power applications. Low Quiescent Current The AP7201, consuming only around 25µA for all input range, provides great power saving in portable and low power applications. Thermal Shutdown Protection Thermal protection disables both outputs when the junction temperature rises to approximately +145°C, allowing the device to cool down. When the junction temperature reduces to approximately +130°C the output circuitry is enabled again. Depending on power dissipation, thermal resistance, and ambient temperature, the thermal protection circuit may cycle on and off. This cycling limits the heat dissipation of the regulator, protecting it from damage due to overheating. Power Dissipation The device power dissipation and proper sizing of the thermal plane that is connected to the thermal pad is critical to avoid thermal shutdown and ensure reliable operation. Power dissipation of the device depends on input voltage and load conditions and can be calculated by: OUTOUTIND xI)VV(P −= The AP7201 is available in the DFN2818-6 package with exposed pad, which is the primary conduction path for heat to the printed circuit board (PCB). The pad can be connected to ground or be left floating; however, to ensure the device will not overheat, it should be attached to an appropriate amount of copper PCB area. The maximum power dissipation, handled by the device, depends on the maximum junction to ambient thermal resistance, maximum ambient temperature, and maximum device junction temperature, which can be calculated by the equation in the following: JA A AD R )TC145()T(max@P θ −°+=

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 12 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Marking Information (1) DFN2018-6 (USP-6B) Y : Year ( Top View ) X : G : Green Y WW X AA BB AA : Output 1 . WW : Month 01~52 BB : Output 2 "7" : 2007 "8" : 2008 Marking ID Code Table (1) DFN2018-6 (USP-6B) Bottom View Side View 1.75/1.875 1.3/1.5 1.95/2.075 0.50Typ 0.15/0.25 0.9/1.1 0.545/0.605 0/0.05 0.13Typ 6X- 0.10 C 0.08 C C Seating Plane AB 2X- 0.25 B 0.25 A

0.10 C AB

Pin #1 ID 0.2/0.3 CL CL 0.30Typ Device ID Code AP7201-1818FM 1818 AP7201-1828FM 1828 AP7201-2828FM 2828 Package Information ( All Dimensions in mm )

DUAL 150mA LOW DROPOUT LINEAR REGULATOR AP7201 Rev. 3 13 of 13 M A Y 2 0 1 4 www.diodes.com © Diodes Incorporated DISCONTINUED Notes: 7. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf IMPORTANT NOTICE LIFE SUPPORT Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages. Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated. Taping Orientation (Note 7)