SC4205IS-2.5TRT Datasheet

IC型號：
SC4205IS-2.5TRT
PDF描述：
Very Low Dropout 1 Amp Regulator With Enable
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218.93KB
PDF頁數(shù)：
8頁
芯片廠家：
SEMTECH

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Very Low Dropout

1 Amp Regulator With Enable

POWER MANAGEMENT

Description

The SC4205 is a high performance positive voltage

regulator designed for use in applications requiring very

low dropout voltage at up to 1 Amp. Since it has

superior dropout characteristics compared to regular

LDOs, it can be used to supply 2.5V on motherboards or

2.8V on peripheral cards from the 3.3V supply thus

allowing the elimination of costly heatsinks. Additionally,

the SC4205 has an enable pin to further reduce power

dissipation while shut down. The SC4205 provides ex-

cellent regulation over variations in line, load and tem-

perature.

The SC4205 is available in the SOIC-8EDP package with

internally preset outputs that are also adjustable using

external resistors.

SC4205

Features

350mV dropout @ 1A

Adjustable output from 1.2V to 4.8V

2.5V and 1.8V options (adjustable externally

using resistors)

Over current and over temperature protection

Enable pin

10碌A(chǔ) quiescent current in shutdown

Low reverse leakage (output to input)

Surface mount and through-hole packages

Full industrial temperature range

Available in SOIC-8EDP package

Applications

Battery powered systems

Motherboards

Peripheral cards

Network cards

Set Top Boxes

Medical Equipment

Notebook Computers

Typical Application Circuits

SC4205

VIN

ADJ

GND

VIN

ENABLE

1.2 (R1

R2)

Volts

SC4205

VIN

ADJ

GND

VIN

SC4205

ADJ

GND

VIN

ENABLE

VIN

ENABLE

Notes:

(1) Maximum VO setpoint for 1.8V parts = 5.4V.

(2) This device is designed to operate with ceramic input and output capacitors.

Revision: June 28, 2004

www.semtech.com

現(xiàn)有數(shù)量
0現(xiàn)貨
價格
2,500 : ￥7.08336卷帶（TR）
系列
-
包裝
卷帶（TR）
產(chǎn)品狀態(tài)
不適用于新設(shè)計
輸出配置
正
輸出類型
固定
穩(wěn)壓器數(shù)
1
電壓 - 輸入（最大值）
5.5V
電壓 - 輸出（最小值/固定）
2.5V
電壓 - 輸出（最大值）
-
電壓降（最大值）
0.5V @ 1A
電流 - 輸出
1A
電流 - 靜態(tài) (Iq)
35 μA
電流 - 供電（最大值）
1.75 mA
PSRR
-
控制特性
使能
保護功能
過流，超溫
工作溫度
-40°C ~ 150°C
安裝類型
表面貼裝型
封裝/外殼
8-SOIC（0.154"，3.90mm 寬）裸露焊盤
供應(yīng)商器件封裝
8-SOIC，EDP

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SC4205IS-2.5TRT Datasheet

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