Datasheet > SGM61032

SGM61032

更新时间： 2024-04-09 19:01:33

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
17页	1013K
描述
Low Voltage, 3A High Efficiency Synchronous Buck Converter

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SGM61032 数据手册

SGM61032

Low Voltage, 3A High Efficiency

Synchronous Buck Converter

FEATURES

GENERAL DESCRIPTION

● 2.5V to 5.5V Input Voltage Range

● Adjustable Output Voltage from 0.6V to V_IN

● Adaptive Off-Time Architecture

The SGM61032 is a high efficiency and miniature size

synchronous Buck converter for low input voltage

applications. It is a perfect solution for compact designs.

The 2.5V to 5.5V input voltage range is suitable for

almost all available battery-powered applications. It

operates in PWM mode at 1.5MHz (TYP) in the

medium to heavy load range and automatically enters

or exits the power-save mode (PSM) at light loads to

maintain its high efficiency. During shutdown, the

quiescent current is 0.02µA (TYP).

● Up to 95% Efficiency

● Low R_DSONInternal Switches: 58mΩ/27mΩ

● 45μA (TYP) Quiescent Current

● 32μA Quiescent Current in Path-Through Mode

● Power-Save Mode at Light Loads

● Low Dropout with 100% Duty Cycle

● PG Output (Except for the SGM61032A)

● Internal Soft-Start with Pre-biased Startup

● Output Discharge at Shutdown

This device is based on an adaptive off-time

architecture, but still allows a wide range of output

capacitors from 10μF to 150μF and even more. This

flexibility makes the device a good choice for system

power rails supply. It also supports 100% duty cycle

operation and enters path-through mode (PTM) when

certain conditions are met. At this mode, the quiescent

current is reduced to 32μA. The adaptive off-time

architecture provides excellent output voltage accuracy

and superb load transient response. Only external

feedforward compensation capacitor is needed to

obtain faster response.

● Hiccup Mode OCP/Short-Circuit Protection

● Thermal Shutdown Protection

● Available in a Green SOT-563-6 Package

APPLICATIONS

Industrial and Commercial Applications

General Purpose Point-of-Load Power Supplies

Potable Battery-Powered Applications

Wireless Routers, Solid State Drives

Set-Top Boxes, Multi-Function Printers

The SGM61032 is available in a Green SOT-563-6

package.

TYPICAL APPLICATION

L₁

1.0μH

V_IN

V_OUT

1.8V

VIN

2.5V to 5.5V

C₂

22μF

C₁

10μF

R₁

C₃

Optional

200kΩ

SGM61032B

R₃

1MΩ

R₂

GND

100kΩ

Power Good

Figure 1. Typical Application Circuit

SG Micro Corp

OCTOBER 2022 – REV. A. 1

www.sg-micro.com

12 3 4 5 6 7...17

中文翻译

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与SGM61032相关器件

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SGM61040	SGMICRO	获取价格	4A High Efficiency Synchronous Buck Converter
SGM61060	SGMICRO	获取价格	2.9V to 6V Input, 6A Output, Synchronous Buck Converter
SGM61061	SGMICRO	获取价格	6A High Efficiency Synchronous Buck Converter
SGM61103	SGMICRO	获取价格	3V to 17V, 300mA Buck Converter with Adjustable Enable Threshold and Hysteresis
SGM61130	SGMICRO	获取价格	4.5V to 18V Input, 4A, Synchronous Buck Converter
SGM61163	SGMICRO	获取价格	4.5V to 18V Input, 6A, Synchronous Buck Converter
SGM61164	SGMICRO	获取价格	4.5V to 18V Input, 6A, Synchronous Buck Converter
SGM61180	SGMICRO	获取价格	4.5V to 18V Input, 8A, Synchronous Buck Converter
SGM61181	SGMICRO	获取价格	4.5V to 18V Input, 8A, Synchronous Buck Converter
SGM61184	SGMICRO	获取价格	4.5V to 18V Input, 8A, Synchronous Buck Converter

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