Datasheet > AAT1351-S7-T

AAT1351-S7-T

更新时间： 2022-12-11 21:03:01

品牌	Logo	应用领域
ANALOGICTECH		稳压器开关
页数	文件大小	规格书
16页	202K
描述
2-CHANNEL SWITCHING REGULATOR

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AAT1351-S7-T 数据手册

Advanced Analog Technology, Inc.

AAT1351

Details are subject to change without notice

2-CHANNEL SWITCHING REGULATOR

FEATURES

GENERAL DESCRIPTION

The AAT1351 provides an integrated two-channel

pulse-width-modulation (PWM) solution for the

z Complete PWM Power Control Circuitry

z Under-Voltage Lockout (UVLO) Protection

z Open Drain Output

power supply of DC-DC system; this device offers

the systems engineer flexibility to tailor-make the

power supply circuitry for specific applications.

Each channel contains its own error amplifier,

PWM comparator, dead–time control (DTC) and

output driver. The under-voltage protection,

oscillator, short circuit protection and voltage

reference circuit are the common features for the

two channels.

z Output Short Circuit Protection

z Low Dissipation Current：1.6mA

z Dead-Time Control：0% to 100%

z Wide Operating Frequency：

10 kHz to 800 kHz

V_DDRange：4.0V to 14.0V

Both channels of AAT1351 can be used for DC-DC

converter operations including step-up, step-down,

and inverting. Dead-time control can be set to

provide 0% to 100% dead-time through a resistive

divider network. Soft-start can be implemented by

paralleling the DTC resistor with a capacitor. Two

dead-time control inputs are assigned for channel 1

(CH1) and channel 2 (CH2) individually, and dead-

time control inputs can be used to control on / off

operation.

PIN CONFIGURATION

TOP VIEW

C t

R t

V_REF

SCP

NE2

IE2

NE1

IE1

OE1

OE2

DTC1

DTC2

OUT2

With a minimum number of external components,

the AAT1351 offers a simple and cost effective

solution.

OUT1

GND

V_DD

SOP-16 PACKAGE

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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