Datasheet > SD8910

SD8910

更新时间： 2024-11-19 01:22:07

品牌	Logo	应用领域
首鼎半导体 - SHOUDING		/
页数	文件大小	规格书
14页	2576K
描述
2A , 21V 600KHz Synchronous Step-Down DC/DC Converter

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SD8910 数据手册

Shouding

SD8910

, 21V 600KHz Synchronous Step-Down

DC/DC Converter

Description

Features

The SD8910 is a synchronous step -down DC/DC

converter that provides wide 4.5V to 21V input

voltage range and 2A continuous load current

capability.

 High Efficiency up to 94%

 Low Rds(on) Integrated Power MOSFET

 Internal Compensation Function

 Wide Input Voltage Range: 4.5V to 21V

 Adjustable Output Voltage from 0.8V to 17.85V

 2A Output Current

 Fixed 600KHz Switching Frequency

 Current Mode Operation

 Cycle-by-Cycle Current Limit

 Over-Temperature Protection with Auto Recovery

 Output Overvoltage Protection

 Under Voltage Lockout

The SD8910 fault protection includes cycle-by-cycle

current limit, UVLO, output overvoltage protection

and thermal shutdown. The adjustable soft-start

function prevents inrush current at turn-on. This

device uses current mode control scheme which

provides

compensation

fast

transient

function

response.

reduces

Internal

external

compensation components and simplifies the design

process. In shutdown mode, the supply current is

less than 1μA.

 <1μA Shutdown Current

 SOT-23-6 Package

The SD8910 is available in SOT-23-6 package and

provides good thermal conductance.

Applications

 STB (Set-Top-Box)

 LCD Display, TV

 Distributed Power System

 Networking, XDSL Modem

Pin Assignments

Ordering Information

SD8910□□□

S6 Package (SOT-23-6)

TR: Tape/Reel

VIN SHDN

C: Green

(Marking)

Package Type

S6: SOT-23-6

BST GND FB

SOT-23-6 Marking

Figure 1. Pin Assignment of SD8910

Part Number

Product Code

B1G***

SD8910S6CTR

SD8910-0.5-AUG-2011

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12 3 4 5 6 7...14

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