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AAT3110

Advanced Analogic Technologies
Part Number AAT3110
Manufacturer Advanced Analogic Technologies
Description MicroPower Regulated Charge Pump
Published Mar 23, 2005
Detailed Description AAT3110 MicroPower™ Regulated Charge Pump General Description The AAT3110 ChargePump™ is a MicroPower switched-capacito...
Datasheet PDF File AAT3110 PDF File

AAT3110
AAT3110

Overview
AAT3110 MicroPower™ Regulated Charge Pump General Description The AAT3110 ChargePump™ is a MicroPower switched-capacitor voltage converter that delivers a regulated output.
No external inductor is required for operation.
Using three small capacitors, the AAT3110 can deliver up to 150mA to the voltage regulated output.
The AAT3110 features very low quiescent current and high efficiency over a large portion of its load range making this device ideal for battery-powered applications.
Furthermore, the combination of few external components and small package size keeps the total converter board area to a minimum in space restricted applications.
The AAT3110 operates in an output-regulated voltage doubling mode.
The regulator uses a pulse-skipping technique to provide a regulated output from a varying input supply.
The AAT3110 contains a thermal management circuit to protect the device under continuous output short circuit conditions.
The AAT3110 is available in a surface mount 6-pin SOT23 or 8-pin SC70JW package and is rated from -40 to 85°C.
The AAT3110 ChargePump™ is a member of AnalogicTech's Total Power Management IC product family.
Features • • ChargePump™ • • • • • • • • • Step-up type voltage converter Input Range • AAT3110-5: 2.
7V to 5V • AAT3110-3.
3: 2.
3V to 3.
3V MicroPower consumption: 13µA 5V, 3.
3V Regulated ±4% output 5V Output Current • 100mA with VIN ≥ 3.
0V • 50mA with VIN ≥ 2.
7V 3.
3V Output Current • 150mA with VIN ≥ 2.
7V • 100mA with VIN ≥ 2.
3V High Frequency 750 kHz operation Shutdown mode draws less than 1µA Short-circuit/over-temperature protection 2kV ESD Rating SC70JW-8 or SOT23-6 package Preliminary Information Applications • • • • • • • Cellular Phones Portable Communication Devices Handheld Electronics Digital Cameras PDAs Battery Back Up Supplies LED/Display Back Light Driver Typical Operating Circuits AAT3110 VOUT COUT VOUT C+ 1uF 10uF GND VIN CCIN VIN ON/OFF SHDN 10uF 3110.
2001.
9.
0.
92 1 AAT3110 MicroPower™ Regulated Charge...


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