參數(shù)資料
型號: KA278RA05
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Low Dropout Voltage Regulator (Fixed & Adjustable)(低壓差穩(wěn)壓器(固定/可調(diào)))
中文描述: FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSFM4
封裝: TO-220F, 4 PIN
文件頁數(shù): 1/8頁
文件大?。?/td> 47K
代理商: KA278RA05
2000 Fairchild Semiconductor International
www.fairchildsemi.com
Rev. 5.0
Features
Nominal 5V output without adjusting
Output Adjustable Between 1.25V and 32V
2A Output low dropout voltage regulator
TO220 Full-Mold package (4PIN)
Overcurrent protection, Thermal shutdown
Overvoltage protection, Short-Circuit protection
Description
The KA278RA05 is a low-dropout voltage regulator suitable
for various electronic equipments. It provide constant volt-
age power source with TO-220 4 lead full mold package.
Dropout voltage of KA278RA05 is below 0.5V in full rated
current(2A). This regulator has various function such as
peak current protection, thermal shut down, overvoltage pro-
tection and output disable function.
TO-220F-4L
1. Vin 2. V
O
3. GND 4. Vadj
1
Internal Block Diagram
THERMAL SHUTDOWN
BANDGAP REFERENCE
OVERVOLTAGE
PROTECTION
SOA PROTECTION
PROTECTION
1
4
3
2
Vin
Vadj
Vo
GND
Q1
R1
R2
+
-
SHORT-CIRCUIT
KA278RA05
Low Dropout Voltage Regulator (Fixed & Adjustable)
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KA278RA05C 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators
KA278RA05CTU 功能描述:低壓差穩(wěn)壓器 - LDO 2A Adj/Fixed 5V LDO Voltage Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
KA278RA05CYDTU 功能描述:低壓差穩(wěn)壓器 - LDO 2A Adj/Fixed 5V Regulator (LDO) RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
KA278RA05TU 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
KA278RA09C 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators