參數(shù)資料
型號(hào)： KA278RA33C
廠商： Fairchild Semiconductor Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 2A Output Low Dropout Voltage Regulators
中文描述： 第2A輸出低壓差穩(wěn)壓器
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 208K
代理商： KA278RA33C
2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.2
Features
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
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
Description
The KA278RXXC is a low-dropout voltage regulator suit-
able for various electronic equipments. It provides
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
1.Vin 2. Vo 3. GND 4. Vdis - KA278RXXC(33/05/51/09/12)
1.Vin 2. Vo 3. GND 4. Vadj - KA278RA05C
1
Internal Block Diagram
THERMAL SHUTDOWN
BANDGAP REFERENCE
OVERVOLTAGE
PROTECTION
SOA PROTECTION
SHORTCIRCUIT
PROTECTION
1
4
3
2
Vin
Vadj
Vo
GND
Q1
Rin
Rref
+
-
THERMAL SHUTDOWN
BANDGAP REFERENCE
OVERVOLTAGE
PROTECTION
SOA PROTECTION
SHORTCIRCUIT
PROTECTION
1
4
3
2
Vin
Vdis
Vo
GND
HIGH / LOW
OUTPUT
ON / OFF
Q1
R1
R2
-
+
-
+
1.4V
(KA278RA05C)
(KA278R33/05/51/09/12C)
K A278RX XC-S eries
2A Output Low Dropout Voltage Regulators
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KA278RA51C 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators
KA278RXXC 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:2A Output Low Dropout Voltage Regulators
KA2803 制造商: 功能描述: 制造商:undefined 功能描述:
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KA2803B_11 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Earth Leakage Detector
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