KA7812E

更新时间： 2024-01-01 03:10:30

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器
页数	文件大小	规格书
26页	255K
描述
3-Terminal 1A Positive Voltage Regulator

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数据手册
替代型号

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KA7812E 数据手册

KA78XXE/KA78XXAE

Electrical Characteristics (KA7812E/KA7812ER) (Continued)

(Refer to test circuit, 0°C < T < 125°C, I = 500mA, V =19V, C = 0.33µF, C =0.1µF, unless otherwise specified)

KA7812E/KA7812ER

Min. Typ. Max.

Parameter

Symbol

Conditions

Unit

T =+25°C

11.5

12.5

Output Voltage

5.0mA ≤ I ≤1.0A, P ≤15W

V = 14.5V to 27V

11.4

12.6

V = 14.5V to 30V

3.0

240

120

240

120

8.0

0.5

1.0

Line Regulation (Note1)

Regline T =+25°C

V = 16V to 22V

= 5mA to 1.5A

Load Regulation (Note1)

Quiescent Current

Regload T =+25°C

= 250mA to 750mA

5.0

5.1

0.1

0.5

-1

T =+25°C

= 5mA to 1.0A

Quiescent Current Change

∆I

V = 14.5V to 30V

Output Voltage Drift (Note2) ∆V /∆T

= 5mA

mV/°C

µV/Vo

Output Noise Voltage

f = 10Hz to 100kHz, T =+25°C

f = 120Hz

V = 15V to 25V

Ripple Rejection (Note2)

Dropout Voltage

= 1A, T =+25°C

mΩ

Drop

Output Resistance (Note2)

Short Circuit Current

Peak Current (Note2)

f = 1kHz

V = 35V, T =+25°C

230

2.2

T = +25°C

Note:

1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken

into account separately. Pulse testing with low duty is used.

2. These parameters, although guaranteed, are not 100% tested in production.

1...3 4 567 8 9...26

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KA7812E 替代型号

型号	品牌	替代类型	描述	数据表
MC7812BTG	ONSEMI	功能相似	THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS

与KA7812E相关器件

型号	品牌	获取价格	描述	数据表
KA7812ER	FAIRCHILD	获取价格	3-Terminal 1A Positive Voltage Regulator
KA7812ERTM	FAIRCHILD	获取价格	3-Terminal 1A Positive Voltage Regulator
KA7812ETSTU	FAIRCHILD	获取价格	Fixed Positive Standard Regulator, 12VBIPolar, PSFM3, ROHS COMPLIANT, TO-220, 3 PIN
KA7812ETU	FAIRCHILD	获取价格	3-Terminal 1A Positive Voltage Regulator
KA7812ETU	ONSEMI	获取价格	3-Terminal 1A Positive Voltage Regulator, 1000-TUBE
KA7812IT	FAIRCHILD	获取价格	Fixed Positive Standard Regulator, 12VBIPolar, PSFM3, TO-220, 3 PIN
KA7812R	FAIRCHILD	获取价格	3-Terminal 1A Positive Voltage Regulator
KA7812R	SAMSUNG	获取价格	Fixed Positive Standard Regulator, 12VPSSO2, DPAK-3
KA7812RA	SAMSUNG	获取价格	Fixed Positive Standard Regulator, 12VPSSO2, DPAK-3
KA7812RI	FAIRCHILD	获取价格	暂无描述