Datasheet > SGM66057

SGM66057

更新时间： 2024-03-03 10:09:15

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
12页	1138K
描述
2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 3.4A Switch

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SGM66057 数据手册

SGM66057

2.2MHz, Fixed Output Synchronous

Tiny Boost Converter with a 3.4A Switch

GENERAL DESCRIPTION

FEATURES

● 2.7V to 4.85V Operating Input Voltage Range

● 5.25V Fixed Output Voltage

● Up to 96.8% Efficiency

● Device Quiescent Current: 24µA (TYP)

● Shutdown Current: 1µA (MAX)

● Valley Switch Current Limit: 3.4A (TYP)

● Improved Light Load Efficiency with Power-Save

Mode (PSM)

The SGM66057 is an internally compensated, 2.2MHz

switching frequency, current mode, synchronous Boost

switching converter. The output voltage is fixed at 5.25V.

The device turns into power-save mode to maintain

high efficiency at light load currents. Its output is

disconnected by the rectifier circuit during shutdown,

with no input to output leakage.

Various protection features such as over-current,

short-circuit and over-temperature are implemented to

protect the device from various fault conditions.

● Low Reverse Leakage Current when V_OUT> V_IN

● Load Disconnect during Shutdown

● Over-Temperature Protection

The SGM66057 is available in a Green WLCSP-

1.26×1.21-9B package.

● Available in a Green WLCSP-1.26×1.21-9B Package

APPLICATIONS

Class-D Audio Amplifier and USB OTG Supply

Boost for Low-Voltage Li-Ion Batteries

Smart Phones and Tablets

Portable and Wearable Devices

TYPICAL APPLICATION

0.47μH

VIN

VOUT

C_IN

10μF

C_OUT

22μF

Battery

System

Load

SGM66057

PGND

AGND

Figure 1. Typical Application Circuit

SG Micro Corp

www.sg-micro.com

MAY 2023–REV. A

12 3 4 5 6 7...12

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