參數(shù)資料
型號: KA278R33
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 基準電壓源/電流源
英文描述: Low Dropout Voltage Regulator(低壓差穩(wěn)壓器)
中文描述: 3.3 V FIXED 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> 44K
代理商: KA278R33
2000 Fairchild Semiconductor International
www.fairchildsemi.com
Rev.5.0
Features
2A / 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
Description
The KA278R33 is a low-dropout voltage regulator suitable
for various electronic equipments. It provides constant volt-
age power source with TO-220 4 lead full mold package.
Dropout voltage of KA278R33 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. Vo 3. GND 4. Vdis
1
Internal Block Diagram
THERMAL SHUTDOWN
BANDGAP REFERENCE
OVERVOLTAGE
PROTECTION
SOA PROTECTION
PROTECTION
1
4
3
2
Vin
Vdis
Vo
GND
HIGH / LOW
OUTPUT
ON / OFF
Q1
R1
R2
-
+
-
+
1.4V
SHORT-CIRCUIT
KA278R33
Low Dropout Voltage Regulator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KA278R33C 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators
KA278R33CTSTU 功能描述:低壓差穩(wěn)壓器 - LDO 2A Fixed 3.3V LDO Short Leads 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
KA278R33CTU 功能描述:低壓差穩(wěn)壓器 - LDO LDO 33V 2A 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
KA278R33CYDTU 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V A 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
KA278R33TSTU 功能描述:開關(guān) IC - 各種 Short Leads RoHS:否 制造商:Fairchild Semiconductor 開啟電阻(最大值): 電源電壓-最大:4.4 V 電源電壓-最小:2.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WLCSP-9 封裝:Reel