Datasheet > SD6273VAIR1

SD6273VAIR1

更新时间： 2024-02-22 16:03:16

品牌	Logo	应用领域
首鼎半导体 - SHOUDING		/
页数	文件大小	规格书
9页	1263K
描述
1.2MHz Step-Up PWM Controller

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SD6273VAIR1 数据手册

Shouding

1.2MHz Step-Up PWM Controller

SD6273

FEATURES

DESCRIPTION

ꢀ

V_DDRange: 2.7V to 5.5V

High Efficiency up to 90%

The SD6273 is a compact, high efficiency, fixed

frequency pulse-width-modulation (PWM) controller.

It provides an easy-to-use power supply solution for

the application from one Li-ion battery to 5V output.

All compensation and protection circuitry are

integrated to minimize external components. The

1.2MHz high switching frequency allows smaller

inductor and output capacitor, making the SD6273

ideally suited for small battery-powered applications

and saves PCB space.

1.2MHz Fixed Switching Frequency

Tiny External Components

Output Short Protection

<1ꢀA Shutdown Current

3.3V to +5.0V Distributed Power Supply

Single Cell Li-ion Battery to 5V Converter

Available in SOT23-5 and SOT23-6 Packages

The SD6273 contains thermal shutdown function and

output short protection circuit. Built-in soft-start

circuitry prevents excessive inrush current during

start-up.

RoHS Compliant and 100% Lead (Pb)-Free

Halogen-Free

APPLICATIONS

The SD6273 is available in a Pb-free, thin-SOT23-5

and SOT23-6 packages.

ꢀ

One Li-Ion Battery to 5V Output

Handheld Devices

Typical Application Circuit

SD6273

Figure 1. Connecting VDD to V_IN

SD6273 Ver1.1 Dec. 2012

www.shouding.net

12 3 4 5 6 7...9

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