KA78R33

更新时间： 2024-11-25 22:25:03

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		稳压器
页数	文件大小	规格书
8页	43K
描述
Low Dropout Voltage Regulator

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数据手册
替代型号

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KA78R33 数据手册

www.fairchildsemi.com

KA78R33

Low Dropout Voltage Regulator

Features

Description

• 1A / 3.3V Output low dropout voltage regulator

• TO220 Full-Mold package (4PIN)

• Overcurrent protection, Thermal shutdown

• Overvoltage protection, Short-Circuit protection

• With output disable function

The KA78R33 is a low-dropout voltage regulator suitable

for various electronic equipments. It provides constant

voltage power source with TO-220 4 lead full mold package.

Dropout voltage of KA78R33 is below 0.5V in full rated

current(1A). This regulator has various function such as

peak current protection, thermal shut down, overvoltage

protection and output disable function.

TO-220F-4L

1. Vin 2. Vo 3. GND 4. Vdis

Internal Block Diagram

Vin

OVERVOLTAGE

PROTECTION

THERMAL SHUTDOWN

BANDGAP REFERENCE

SOA PROTECTION

HIGH / LOW

OUTPUT

ON / OFF

Vdis

CIRCUIT

SHORTCIRCUIT

PROTECTION

1.4V

GND

Rev. 1.0.3

12 3 4 5 6 7 8

中文翻译

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KA78R33 替代型号

型号	品牌	替代类型	描述	数据表
KA78R33TU	FAIRCHILD	功能相似	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, BIPolar, PSFM4, TO-220F, 4 PIN
KA78R33TU	ROCHESTER	功能相似	3.3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSFM4, TO-220F, 4 PIN
KA78R33	SAMSUNG	功能相似	LOW DROPOUT VOLTAGE REGULATOR

与KA78R33相关器件

型号	品牌	获取价格	描述	数据表
KA78R33C	FAIRCHILD	获取价格	1A Output Low Dropout Voltage Regulators
KA78R33CTSTU	FAIRCHILD	获取价格	1A Output Low Dropout Voltage Regulators
KA78R33CTU	FAIRCHILD	获取价格	1A Output Low Dropout Voltage Regulators
KA78R33CTU	ONSEMI	获取价格	LDO Regulator, 1 A, 5 to 15V, with Fixed Output
KA78R33CYDTU	FAIRCHILD	获取价格	1A Output Low Dropout Voltage Regulators
KA78R33TU	ROCHESTER	获取价格	3.3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSFM4, TO-220F, 4 PIN
KA78R33TU	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, BIPolar, PSFM4, TO-220F, 4 PIN
KA78R33YDTU	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.5V Dropout, PSFM4, TO-220F, 4 PIN
KA78RH33	FAIRCHILD	获取价格	Semi Low Dropout Voltage Regulator
KA78RH33D	FAIRCHILD	获取价格	暂无描述