AAT3111 datasheet(1/16 Pages) ANALOGICTECH

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AAT3111

MicroPower™ Regulated Charge Pump

3111.2002.3.0.91

1

ChargePump™

General Description

The AAT3111 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

AAT3111 can deliver up to 150mA to the voltage

regulated output. The AAT3111 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

AAT3111 operates in an output-regulated voltage

doubling mode. The regulator uses a pulse-skip-

ping technique to provide a regulated output from a

varying input supply. The AAT3111 contains a ther-

mal management circuit to protect the device

under continuous output short circuit conditions.

The AAT3111 is available in a surface mount 6-pin

SOT23 or 8-pin SC70JW package and is rated

from -40 to 85°C.

The AAT3111 ChargePump™ is a member of

AnalogicTech's Total Power Management IC prod-

uct family.

Features

•

Step-up type voltage converter

•

Input Range

•

AAT3111-3.6: 1.8V to 3.6V

•

AAT3111-3.3: 1.8V to 3.3V

•

MicroPower consumption: 20µA

•

3.6V, 3.3V Regulated ±4% output

•

3.6V Output Current

•

100mA with VIN ≥ 3.0V

•

20mA with VIN ≥ 2.0V

•

3.3V Output Current

•

100mA with VIN ≥ 2.5V

•

20mA with VIN ≥ 1.8V

•

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

Applications

•

Handheld Electronics

•

Digital Cameras

•

PDAs

•

Battery Back Up Supplies

•

MP3 Players

Typical Application

V

IN

VOUT

GND

SHDN

C+

V

IN

C-

AAT3111

V

OUT

1uF

10uF

ON/OFF

COUT

CIN

Số phần tương tự - AAT3111

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Advanced Analog Technol...	AAT3111	351Kb / 16P	MicroPower??Regulated Charge Pump 3111.2006.06.1.3
	AAT3111IGU-3.3-T1	351Kb / 16P	MicroPower??Regulated Charge Pump 3111.2006.06.1.3
	AAT3111IGU-3.6-T1	351Kb / 16P	MicroPower??Regulated Charge Pump 3111.2006.06.1.3
	AAT3111IJS-3.3-T1	351Kb / 16P	MicroPower??Regulated Charge Pump 3111.2006.06.1.3
	AAT3111IJS-3.6-T1	351Kb / 16P	MicroPower??Regulated Charge Pump 3111.2006.06.1.3

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