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PDF 278R05 Data sheet ( Hoja de datos )

Número de pieza 278R05
Descripción 4 TERMINAL 2A OUTPUT LOW DROP VOLTAGE REGULATOR
Fabricantes Unisonic Technologies 
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No Preview Available ! 278R05 Hoja de datos, Descripción, Manual

UNISONIC TECHNOLOGIES CO., LTD
278RXX
LINEAR INTEGRATED CIRCUIT
4 TERMINAL 2A OUTPUT
LOW DROP VOLTAGE
REGULATOR
„ DESCRIPTION
The UT C 278RXX Seri es ar e Lo w Drop V oltage Re gulator
suitable for various electronic equipments.
It provides constant voltage power source with TO-220F-4
terminal lead full molded PKG. The Regulator has multi function
such as over current protection, overheat protection and ON/OFF
control.
„ FEATURES
* 2.0A Output Low Drop Voltage Regulator.
* Built in ON/OFF Control Terminal.
* Built in Over Current Protection, Over Heat Protection Function.
1
„ ORDERING INFORMATION
Note:
Ordering Number
Lead Free
Halogen Free
278RXXL-TF4-T
278RXXG-TF4-T
xx: Output Voltage, refer to Marking Information.
Package
TO-220F-4
TO-220F-4
Packing
Tube
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
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278R05 pdf
278RXX
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS (Cont.)
For 278R33 (VIN=5V)
PARAMETER
SYMBOL TEST CONDITIONS MIN TYP MAX
Output Voltage
VO 3.201 3.3 3.399
Load Regulation
Line Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Reg Load
Reg Line
TC VO
R·R
IO=5mA~2A
VIN=6~12V
TJ=0~125°C
0.1 2.0
0.5 2.5
±0.02 ±0.05
45 55
Drop Out Voltage (Note)
VD IO=2A
0.5
Output ON State for Control Voltage
VC(ON)
2.0
Output ON State for Control Current
Output OFF State for Control Voltage
IC(ON)
VC(OFF)
VC=2.7V
20
0.8
Output OFF State for Control Current
IC(OFF)
VC=0.4V
-0.4
Quiescent Current
IQ IO=0
10
Note: Input voltage shall be the value when output voltage is 95% in comparison with the initial value.
UNIT
V
%
%
%/°C
dB
V
V
μA
V
mA
mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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