Datasheet > LM7915J

LM7915J

更新时间： 2024-11-23 11:36:59

品牌	Logo	应用领域
TGS		稳压器
页数	文件大小	规格书
1页	105K
描述
3-Terminal 1A Positive Voltage Regulator

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LM7915J 数据手册

TIGER ELECTRONIC CO.,LTD

Product specification

LM7912J

3-Terminal 1A Positive Voltage Regulator

GENERAL DESCRIPTION

The LM7912 series of three terminal positive regulators are available in the TO-220 package and with

several fixed output voltages, making them useful in a wide range of applications. Each type employs

internal current limiting, thermal shut down 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.

ABSOLUTE MAXIMUM RATINGS ( Ta = 25 ^OC)

Parameter

Input Voltage

Symbol

Typ

Unit

V_I

V_O

I_PK

-35

-12

-2.2

Output Voltage

Peak Current

Operating Temperature

Range

T_OPR

T_STG

0~125

^oC

TO-252

Storage Temperature Range

-65~150

( Ta = 25 ^OC)

ELECTRICAL CHARACTERISTICS

(Refer to test circuit, Io = -500mA, Vi = -18V, Ci= 2.2uF, Co=1.0uF unless otherwise specified)

Parameter

Output Voltage

Symbol

Test Conditions

V_I= -14.5V to -30V

Min

Typ

Max Unit

V_O

-11.64

-12

-12.36

-240

V_I= -14.5V to -30V

—

Line Regulation (Note1)

Regline

V_I= -16V to -22V

-6.0

-120

-240

-120

—

I_O= -5.0mA to-1.5A

-12

-4

Load Regulation (Note1)

Quiescent Current

Regload

I_Q

I_O=-250mA to -750mA

T_J=+25 ^oC

-3

-6

—

I_O= -5mA to -1A

-0.5

—

Quiescent Current Change

Δ _Q

V_I= -15V to -30V

-1.0

—

Ripple Rejection

Dropout Voltage

Short Circuit Current

Peak Current

V_Drop

I_SC

f = 120Hz, V_O= -15V to -25V

I_O= -1A, T_J=+25 ^oC

V_I= -35V, T_A=+25 ^oC

T_J=+25 ^oC

—

-2

—

-300

I_PK

-2.2

—

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