Datasheet > AAT1343-T1

AAT1343-T1

更新时间： 2024-11-23 08:43:35

品牌	Logo	应用领域
AAT		稳压器开关
页数	文件大小	规格书
14页	195K
描述
2-CHANNEL SWITCHING REGULATOR

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AAT1343-T1 数据手册

Advanced Analog Technology, Inc.

AAT1343

Details are subject to change without notice

2-CHANNEL SWITCHING REGULATOR

FEATURES

GENERAL DESCRIPTION

The AAT1343 provides an integrated two-channel

pulse-width-modulation (PWM) solution for the

power supply of DC-DC system; this device offers

z Complete PWM Power Control Circuitry

z Precision Reference：2.5V ± 1% (25 ^oC)

z Under-Voltage Lockout (UVLO) Protection

z Open Drain Output

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 these

two channels.

z Output Short Circuit Protection

z Low Dissipation Current：1.6mA

z Dead-Time Control：0 % to 100%

z Wide Operating Frequency：

10kHz to 800kHz

V_DDRange：4.0V to 14.0V

Both channels of AAT1343 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

REF

SCP

NE2

IE2

NE1

IE1

OE1

OE2

With a minimal number of external components, the

AAT1343 offers a simple and cost effective

solution.

DTC1

DTC2

OUT2

OUT1

GND

TSSOP-16 PACKAGE

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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