Datasheet > SGM3112

SGM3112

更新时间： 2024-10-03 15:17:47

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
16页	854K
描述
5V Charge Pump Boost Converter

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SGM3112 数据手册

SGM3112

5V Charge Pump Boost Converter

GENERAL DESCRIPTION

FEATURES

The SGM3112 is a switched capacitor converter with

low noise output voltage. The SGM3112 is capable of

delivering 200mA output current at 5V output from 3.1V

to 5.5V input voltage range. The available output

current is 125mA when the input voltage reaches 2.7V.

In the case of small output current, SGM3112 operates

in PFM mode to reduce power loss. The PFM mode

can be configured by pulling MODE pin to logic high. In

addition, by pulling the OUTDIS pin to logic high, the

device will discharge the output voltage when the

device is disabled.

● Input Voltage Range: 2.7V to 5.5V

● 5V Fixed Output Voltage

● 200mA Output Current Capability

● Inductorless: Only 3 External Components

● Input Disconnected from Load during Shutdown

● Thermal Shutdown/Short-Circuit Protection

● 2.2MHz Switching Frequency in Step-up Mode

● Operating in Pulse Frequency Modulation (PFM)

Mode at Light Load

● Available in a Green TDFN-2×2-8AL Package

APPLICATIONS

The SGM3112 is available in a Green TDFN-2×2-8AL

package. It offers excellent thermal performance which

prevents the device from overheating under rated

operating conditions.

Multi-Cell AA Battery Applications

5V Bias

I/O Bias Power

TYPICAL APPLICATION

5V at up to 200mA

V_IN

VIN

VOUT

2.7V to 5.5V

C_IN

2.2μF

C_OUT

2.2μF

MODE

C1+

C_FLY

1μF

SGM3112

C1-

OUTDIS

GND

Figure 1. Typical Application Circuit

SG Micro Corp

www.sg-micro.com

APRIL 2023–REV. A

12 3 4 5 6 7...16

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