Datasheet > AAT1160

AAT1160

更新时间： 2022-10-08 16:00:39

品牌	Logo	应用领域
AAT		转换器运算放大器
页数	文件大小	规格书
14页	359K
描述
Step Up Current Mode PWM Converter with 4+1 Operational Amplifiers

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AAT1160 数据手册

Advanced Analog Technology, Inc.

AAT1160

Product information presented is current as of publication date. Details are subject to change without notice.

Step Up Current Mode PWM Converter with

4+1 Operational Amplifiers

Features

General Description

z Built in 1.6A, 0.23ΩSwitching NMOS

z Fault and Thermal Protection

z Internal Soft-Start Function

The AAT1160 is a step up current mode PWM

converter that provides a one-channel step-up PWM

controller, four Gamma buffers, and one V_COM

buffer. Internal soft-start function can efficiently

prevent inrush current when the power is on.

This PWM controller consists of an on-chip voltage

reference, error amplifier, current sense, pulse width

modulation controller, under-voltage lockout

protection, thermal detect, soft-start, and fault

protection circuits.

z Selectable Frequency：600 kHz or 1.25MHz

z Low Dissipation Current :

Typical 1.6mA in Operation

z Four Channels V_GAMMAwith Output Current:

+30mA (MAX)

z One channel V_COMwith Output Current:

+100mA (MAX)

z TSSOP-20 Package Available

The AAT1160 contains 4+1 operational amplifiers:

GO1, GO2, GO3, and GO4 for gamma corrections

Pin Configuration

(Top View)

and COUT forV_COM

V_DD

GND1

GND

IN1

V_COMand V_GAMMAare designed to increase

driving capability for thin film transistor liquid

crystal display (TFT LCD). Each buffer is capable

of driving heavy load and offering fast current

loading (V_COM: ±100mA , and V_GAMMA: ± 30mA ).

With minimal external components, the AAT1160

offers a simple and economical power management

solution for TFT LCD panels.

SHDN

FREQ

V_DD1

N.C

AAT1160

CIN+

GI1

COUT

GO1

GO2

GO3

GO4

GI2

GI3

GI4

TSSOP-20 PACKAGE

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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