Datasheet > KA278RA09C

KA278RA09C

更新时间： 2024-11-10 22:51:51

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器
页数	文件大小	规格书
20页	209K
描述
2A Output Low Dropout Voltage Regulators

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KA278RA09C 数据手册

www.fairchildsemi.com

KA278RXXC-Series

2A Output Low Dropout Voltage Regulators

Features

Description

The KA278RXXC is a low-dropout voltage regulator suit-

able for various electronic equipments. It provides

KA278RXXC-series (33/05/51/09/12)

• 2A/3.3V, 5V, 5.1V, 9V, 12V output low dropout voltage

regulator

• TO-220 full-mold package (4pin)

• Overcurrent protection, thermal shutdown

• Overvoltage protection, short circuit protection

• With output disable function

constant voltage power source with TO-220-4 lead full mold

package. The dropout voltage of KA278RXXC is below

0.5V in full rated current(2A). This regulator has various

functions such as a peak current protection, a thermal shut

down, an overvoltage protection .

TO-220F-4L

KA278RA05C

• Nominal 5V output without adjusting

• Output adjustable between 1.25V and 32V

• 2A output low dropout voltage regulator

• TO-220 full-mold package (4pin)

• Overcurrent protection, thermal shutdown

• Overvoltage protection, short circuit protection

1.Vin 2. Vo 3. GND 4. Vdis - KA278RXXC(33/05/51/09/12)

1.Vin 2. Vo 3. GND 4. Vadj - KA278RA05C

Internal Block Diagram

Vin

OVERVOLTAGE

PROTECTION

OVERVOLTAGE

PROTECTION

THERMAL SHUTDOWN

BANDGAP REFERENCE

THERMAL SHUTDOWN

BANDGAP REFERENCE

Rin

SOA PROTECTION

HIGH / LOW

OUTPUT

ON / OFF

Vdis

Vadj

SHORTCIRCUIT

PROTECTION

1.4V

SHORTCIRCUIT

PROTECTION

Rref

GND

(KA278RA05C)

(KA278R33/05/51/09/12C)

Rev. 1.0.2

12 3 4 5 6 7...20

中文翻译

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