Datasheet > SGM6603A

SGM6603A

更新时间： 2024-03-03 10:08:11

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
16页	1321K
描述
90% Efficient Synchronous Boost Converter with 1.1A Switch

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SGM6603A 数据手册

SGM6603A

90% Efficient Synchronous

Boost Converter with 1.1A Switch

GENERAL DESCRIPTION

FEATURES

The SGM6603A is a constant frequency, current mode,

synchronous Boost switching regulator. The input

voltage can accept the voltage at a range from 0.9V to

5.5V. And the output voltage is adjustable with a peak

of 5.5V.

● 0.9V to 5.5V Input Voltage Range

● Adjustable Output Voltage up to 5.5V

● Up to 90% Efficiency

● 0.5μA (MAX) Shutdown Current

● 6V Output Voltage Clamping

● Forced PWM Mode

High switching frequency minimizes the sizes of

inductor and capacitor. Integrated power MOSFETs

and internal compensation make the SGM6603A

simple to use and fit the total solution into a compact

space.

● Load Disconnect in Shutdown

● Over-Temperature Protection

● Available in a Green SOT-23-6 Package

● -40℃ to +85℃ Operating Temperature Range

SGM6603A operates in the forced PWM mode over the

whole load range. It keeps the switching frequency

being constant even at light load current to reduce

output ripple and avoid noise interference. Anti-ringing

control circuitry reduces EMI concerns by damping the

inductor in discontinuous mode. The SGM6603A

provides true output disconnection, allowing V_OUTto go

to 0V during shutdown without drawing any current

from the input source.

APPLICATIONS

Single-Cell Li Battery Powered Products

Portable Audio Players

Mobile Phones

Personal Medical Devices

The output voltage of SGM6603A-ADJ can be

programmed by an external resistor divider. The device

is available in a Green SOT-23-6 package. It operates

over an ambient temperature range of -40℃ to +85℃.

TYPICAL APPLICATION

4.7μH

V_IN

C₁

10μF

V_OUT

VCC

VOUT

C₂

10μF

R₁

R₂

SGM6603A

OFF

GND

Figure 1. Typical Application Circuit

SG Micro Corp

MAY 2022 – REV. A. 3

www.sg-micro.com

12 3 4 5 6 7...16

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