Datasheet > L7812CV

L7812CV

更新时间： 2024-11-24 17:15:27

品牌	Logo	应用领域
浩畅 - HC		/
页数	文件大小	规格书
3页	1253K
描述
TO-220

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中文翻译

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数据手册

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L7812CV 数据手册

SHENZHEN HAOCHANG SEMICONDUCTOR CO.,LTD.

TO-220 Plastic-Encapsulate Voltage Regulator

TO-220

L7812 Three-terminal positive voltage regulator

1.IN

2.GND

3.OUT

FEATURES

Maximum Output current I_OM: 1.5 A

Output voltage V_o: 12 V

Continuous total dissipation

P_D: 1.5 W (T_a= 25 ℃)

15 W (T_C= 25 ℃)

1 2 3

ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified)

Parameter

Input Voltage

Symbol

V_i

Value

Unit

Thermal resistance junction-air

Thermal resistance junction-cases

Operating Junction Temperature Range

Storage Temperature Range

R_θJA

R_θJC

T_OPR

T_STG

℃/W

℃

0-125

-65-150

℃

ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=19V, Io=500mA,Ci=0.33μF, Co=0.1μF, unless otherwise specified )

Pa rameter

Symbol

Test conditions

MIN

TYP

MAX

UNIT

11.5

12.0

12.5

25℃

Output voltage

Io= 5.0mA-1.0A, P≤15W

14.5V≤ V_i≤27V

11.4

12.6

0-125℃

14.5V≤ Vi ≤30V

16V≤V_i≤22V

240

120

25℃

Load Regulation

Line regulation

∆Vo

I_O=5mA - 1.5A

240

25℃

I_O=250mA - 750mA

120

mV/℃

μV

25℃

0-125℃

25℃

Quiescent Current

4.3

5.0mA≤ I_O≤1.0A

14.5V ≤V_i≤ 30V

I_O=5mA

0.5

1.0

Quiescent Current Change

∆Iq

Output voltage drift

Output Noise Voltage

Ripple Rejection

Dropout Voltage

△Vo/△T

V_N

-1

f =10Hz to 100KHz

f =120Hz, 15V≤ V_i≤25V

I_O=1.0A

0-125℃

25℃

V_d

Output resistance

Short Circuit Current

Peak Current

R_O

f = 1KHz

350

2.2

mΩ

25℃

Isc

Ipk

TYPICAL APPLICATION

7812

0.33μF

0.1μF

浩畅半导体

RevK：M ay2014

www.szhaochang.cn

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