Datasheet > L4949_06

L4949_06

更新时间： 2024-09-26 04:21:19

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器
页数	文件大小	规格书
10页	117K
描述
100 mA, 5.0 V, Low Dropout Voltage Regulator with Power−On Reset

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中文翻译

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数据手册

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L4949_06 数据手册

L4949, NCV4949

100 mA, 5.0 V, Low Dropout

Voltage Regulator with

Power−On Reset

The L4949 is a monolithic integrated 5.0 V voltage regulator with a

very low dropout and additional functions such as power−on reset and

input voltage sense.

It is designed for supplying the micro−computer controlled systems

especially in automotive applications.

http://onsemi.com

MARKING DIAGRAMS

Features

• Operating DC Supply Voltage Range 5.0 V to 28 V

• Transient Supply Voltage Up to 40 V

L4949N

AWL

YYWWG

PDIP−8

N SUFFIX

CASE 626

• Extremely Low Quiescent Current in Standby Mode

• High Precision Standby Output Voltage 5.0 V 1%

• Output Current Capability Up to 100 mA

• Very Low Dropout Voltage Less Than 0.4 V

• Reset Circuit Sensing The Output Voltage

L4949

ALYWD

• Programmable Reset Pulse Delay With External Capacitor

SOIC−8

D SUFFIX

CASE 751

• Voltage Sense Comparator

• Thermal Shutdown and Short Circuit Protections

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

• Pb−Free Packages are Available

L4949DW

AWLYYWWG

Output

Voltage (V

SOIC−20W

DW SUFFIX

CASE 751D

)

out

Supply

)

Voltage (V

Preregulator

6.0 V

= Assembly Location

= Year

WL, L = Wafer Lot

YY, Y

WW, W = Work Week

G or G = Pb−Free Device

2.0 mA

Reset

−

PIN CONNECTIONS

2.0 V

Regulator

Sense

Output

(S )

Reset

Sense

Input

(S )

V_CC

S_i

out

−

Reset

GND

1.23 V

ref

Sense

GND

(Top View)

Figure 1. Representative Block Diagram

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 8 of this data sheet.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

June, 2006 − Rev. 9

L4949/D

12 3 4 5 6 7...10

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