Datasheet > SGM6130

SGM6130

更新时间： 2024-09-29 11:08:23

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
10页	563K
描述
3A, 28.5V, 385kHz Buck Converter

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SGM6130 数据手册

SGM6130

3A, 28.5V, 385kHz Buck Converter

GENERAL DESCRIPTION

FEATURES

The SGM6130 is a current-mode step-down regulator

with an internal power MOSFET. This device has a

fixed switching frequency of 385kHz. It can efficiently

provide up to 3A output load current over a wide input

supply range from 4.5V to 28.5V with good load and

line regulations responses.

● 4.5V to 28.5V Input Voltage Range

● 0.8V to 25V Adjustable Output Voltage Range

● 3A Output Current

● 94% Peak Efficiency

● Shutdown Supply Current: 18µA (MAX)

● 100mΩ Internal Power MOSFET Switch

● 385kHz Fixed Switching Frequency

● Under-Voltage Lockout

In addition, the SGM6130 is highly efficient with peak

efficiency at 94% when in operation. The shutdown

supply current consumed by the regulator is less than

18µA. Protection features include cycle-by-cycle

current limit and thermal shutdown. The device also

includes an internal soft-start and an external

adjustable soft-start function to limit the inrush current

and prevent the overshoot of output voltage.

● Cycle-by-Cycle Current Limit

● Thermal Shutdown

● Support Low ESR Ceramic Capacitors

● -40℃ to +85℃ Operating Temperature Range

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

APPLICATIONS

The SGM6130 is available in a Green SOIC-8

(Exposed Pad) package and also minimizes the

external components of the device to complete a 3A

buck DC/DC converter solution.

Battery Chargers

Flat Panel TVs

Set-Top Boxes

Cigarette Lighter Powered Devices

Pre-Regulators

TYPICAL APPLICATION

10nF

10Ω or shorted

INPUT

4.5V to 28.5V

10μH

OUTPUT

3.3V/3A

ENABLE

SGM6130

33kΩ

GND

COMP

10.5kΩ

C_OUT

47μF

C_IN

22μF

ceramic cap

5.6nF

6.49kΩ

B340A

0.1μF

optional

recommended

Figure 1. Typical Application Circuit

SG Micro Corp

www.sg-micro.com

JULY 2015–REV. A.4

12 3 4 5 6 7...10

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