Datasheet > AAT3111-36

AAT3111-36

更新时间： 2022-11-27 20:02:32

品牌	Logo	应用领域
ANALOGICTECH		泵
页数	文件大小	规格书
16页	438K
描述
MicroPower⑩ Regulated Charge Pump

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AAT3111-36 数据手册

AAT3111

MicroPower™ Regulated Charge Pump

™

ChargePump

General Description

Features

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.

•

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 4ꢀ output

3.6V Output Current

•

100mA with V_IN≥ 3.0V

20mA with V_IN≥ 2.0V

•

3.3V Output Current

•

100mA with V_IN≥ 2.5V

20mA with V_IN≥ 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

The AAT3111 is available in a surface mount 6-pin

SOT23 or 8-pin SC70JW package and is rated

from -40 to 85°C.

Applications

The AAT3111 ChargePump™ is a member of

AnalogicTech's Total Power Management IC prod-

uct family.

•

Handheld Electronics

Digital Cameras

PDAs

Battery Back Up Supplies

MP3 Players

Typical Application

AAT3111

V_OUT

C+

V_IN

C-

1uF

C_OUT

10uF

V_IN

GND

ON/OFF

SHDN

C_IN

10uF

3111.2002.3.0.91

12 3 4 5 6 7...16

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