Datasheet > LA5774MC

LA5774MC

更新时间： 2024-01-07 23:18:50

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
6页	313K
描述
Switching Regulator

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LA5774MC 数据手册

Ordering number : ENA2191

LA5774MC

Monolithic Linear IC

http://onsemi.com

Separately-excited Step-down

Switching Regulator

(Variable Type)

Overview

The LA5774MC is a Separately-excited step-down switching regulator (variable type).

Function

• High efficiency.

• Time-base generator (160kHz) incorporated.

• Current limiter incorporated.

• Thermal shutdown circuit incorporated.

• Soft start circuit incorporated.

Specifications

Absolute Maximum Ratings at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Maximum Input voltage

max

Maximum Output current

SW pin application reverse voltage

Allowable power dissipation

VOS pin application reverse voltage

Operating temperature

max

-1

Pd max

VVOS

Topr

Mounted on a substrate.*

3.9

-0.2 to +7

-30 to +125

-40 to +150

°C

Storage temperature

Tstg

* Specified substrate : 76.1×114.3×1.6mm³: Copper foil ratio 60％ FR4

Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.

Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,

high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating

Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.

Recommended Operating Conditions at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Input voltage range

4.5 to 28

ORDERING INFORMATION

See detailed ordering and shipping information on page 5 of this data sheet.

Semiconductor Components Industries, LLC, 2013

May, 2013

52913NK 20130426-S00001 No.A2191-1/6

12 3 4 5 6

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