Datasheet > SGM61432

SGM61432

更新时间： 2024-09-29 11:08:19

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
20页	1580K
描述
40V/3.5A, Adjustable Switching Frequency Buck Converter with 38μA IQ

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SGM61432 数据手册

SGM61432

40V/3.5A, Adjustable Switching Frequency

Buck Converter with 38μA I_Q

GENERAL DESCRIPTION

FEATURES

The SGM61432 is a current mode controlled non-

synchronous Buck converter with 4V to 40V input range

and 3.5A continuous output current. A low R_DSON

N-MOSFET is integrated as high-side switch. Moreover,

the low 38μA quiescent current and low shutdown current

of only 1.3μA (TYP) make it a suitable choice for

battery-powered applications. Also, the internal loop

compensation simplifies compensation network design

and saves user design time and cost. The UVLO level

can be adjusted (increased) by an external resistor

divider. Switching frequency can be selected over a

wide range (200kHz to 2500kHz) to allow desired tradeoff

among efficiency, component sizes and conversion

voltage ratio. Protection against over-voltage transient is

provided to limit the startup or other transient

overshoots. Secure operation in overload conditions is

ensured by cycle-by-cycle current limit, frequency

fold-back and thermal shutdown protection.

● 4V to 40V Input Voltage Range

● 0.8V to 28V Adjustable Output Voltage Range

● Peak Current Mode Control

● Integrated 93mΩ High-side MOSFET Supports up

to 3.5A Continuous Output Current

● Adjustable Switching Frequency from 200kHz to

2500kHz

● Ultra-Low Quiescent Current: 38μA (TYP)

● Low Shutdown Current: 1.3μA (TYP)

● Power-Save Mode for High Light Load Efficiency

● External Soft-Start

● Frequency Synchronization to External Clock

● Programmable UVLO Threshold

● Output Over-Voltage Protection

● Cycle-by-Cycle Current Limit

● Frequency Fold-Back Protection

● Thermal Shutdown Protection

● Available in a Green SOIC-8 (Exposed Pad)

Package

The SGM61432 is available in a Green SOIC-8

(Exposed Pad) package.

APPLICATIONS

Automotive Battery Regulation

Industrial Power Supplies

Telecom and Datacom Systems

Battery Powered System

TYPICAL APPLICATION

V_IN

VIN

BOOT

C_BOOT

C_IN

V_OUT

SGM61432

C_OUT

R_OUT1

GND

RT/CLK

C_SS

Exposed Pad

R_T

R_OUT2

Figure 1. Typical Application Circuit

SG Micro Corp

www.sg-micro.com

MAY 2023 – REV.A.2

12 3 4 5 6 7...20

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