Datasheet > SGM6230

SGM6230

更新时间： 2023-09-03 20:35:38

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
10页	569K
描述
2A, 38V, 385kHz Buck Converter

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SGM6230 数据手册

SGM6230

2A, 38V, 385kHz Buck Converter

GENERAL DESCRIPTION

FEATURES

● 4.5V to 38V Input Voltage Range

● 0.8V to 32V Adjustable Output Voltage Range

● 2A Output Current

The SGM6230 is a current-mode buck converter with

an internal power MOSFET switch. This device has a

fixed switching frequency of 385kHz. It can efficiently

provide up to 2A output load current over a wide input

supply range from 4.5V to 38V with good load and line

regulation responses.

● 94% Peak Efficiency

● Shutdown Supply Current: 18µA (MAX)

● 100mΩ Internal Power MOSFET Switch

● 385kHz Fixed Switching Frequency

● Cycle-by-Cycle Current Limit Protection

● Thermal Shutdown Protection

In addition, the SGM6230 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.

● Under-Voltage Lockout

● Support Low ESR Ceramic Capacitors

● -40℃ to +85℃ Operating Temperature Range

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

APPLICATIONS

The SGM6230 is available in Green SOIC-8 (Exposed

Pad) package and also minimizes the external

components of the device to complete a 2A buck

DC/DC converter solution.

Battery Chargers

Flat Panel TVs

Set-Top Boxes

Cigarette Lighter Powered Devices

Pre-Regulators

TYPICAL APPLICATION

10Ω or shorted 10nF

INPUT

4.5V to 38V

10μH

OUTPUT

3.3V/2A

ENABLE

SGM6230

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.2

12 3 4 5 6 7...10

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