Datasheet > LM7812XJ3

LM7812XJ3

更新时间： 2024-11-06 07:02:59

品牌	Logo	应用领域
全宇昕 - CYSTEKEC		稳压器
页数	文件大小	规格书
3页	109K
描述
3-TERMINAL POSITIVE VOLTAGE REGULATOR

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数据手册

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LM7812XJ3 数据手册

Spec. No. : C525J3

Issued Date : 2003.04.02

Revised Date :2005.07.15

Page No. : 1/3

CYStech Electronics Corp.

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Description

The LM7812XJ3 series of three-terminal positive regulators are

available in the TO-252 package. These regulators can provide local

on-card regulation, eliminating the distribution problems associated

with single point regulation. Each employs internal current limiting,

TO-252

thermal shutdown and safe operating area protection, making it essentially indestructible. If

adequate heat sinking is provided, they can deliver over 1A output current.

Although designed primarily as fixed voltage regulators, these devices can be used with external

components to obtain adjustable voltages and currents.

LM7812XJ3 is characterized for operation from 0°C to +125°C, and if operating temperature is

always high, please refer to the power dissipation curve.

Absolute Maximum Ratings (Ta=25°C)

• Input Voltage ....................................................................................................................... 35 V

• Total Power Dissipation .................................................................................... Internally limited

• Operating Temperature Range.......................................................................... 0 °C to +125 °C

• Maximum Junction Temperature ..................................................................................... 125 °C

• Storage Temperature Range .......................................................................... -55 °C to +150 °C

• Lead Temperature (Soldering 10S).................................................................................. 230 °C

Typical Application

Schematic Diagram

Input

Vin

Vout

10K

LM7812

3.4K

6.3V

200

0.3

30K

Output

VREF

1.9K

20pF

Note:

C1 and C2 are required if regulator is

located far from power supply filter

and load, or oscillation may induced

on the loop.

1.2

12.1K

GND

LM7812XJ3

CYStek Product Specification

12 3

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