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TS4274 Fiches technique(PDF) 2 Page - Taiwan Semiconductor Company, Ltd

No de pièce TS4274
Description  5V/400mA Fixed Voltage Ultra Low Dropout Voltage Regulator
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Fabricant  TSC [Taiwan Semiconductor Company, Ltd]
Site Internet  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS4274 Fiches technique(HTML) 2 Page - Taiwan Semiconductor Company, Ltd

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TS4274
5V/400mA Fixed Voltage
Ultra Low Dropout Voltage Regulator
2/6
Version: B13
Electrical Characteristics ( VIN=VOUT+1V, IL=5mA, CO=10uF, TA=25
oC, unless otherwise noted)
Parameter
Conditions
Min
Typ
Max
Unit
Output Voltage
5mA
≤ I
L
≤ 500mA,
Vo+1V
≤ V
IN
≤ 26V
2.40
2.5
2.60
V
3.17
3.3
3.43
4.80
5.0
5.20
Input Supply Voltage
--
--
26
V
Output Voltage Temperature Coefficient
--
50
150
ppm/
oC
Line Regulation
Vo+1V
≤ V
IN
≤ 26V
--
0.05
0.5
%
Load Regulation
5mA
≤ I
L
≤ 400mA
--
0.2
2.0
%
Dropout Voltage (Note 4)
IL=100mA
IL=250mA
IL=400mA
--
--
--
100
300
500
200
400
600
mV
Quiescent Current (Note 5)
IL=100uA
IL=250mA
IL=400mA
--
--
--
200
10
25
300
15
35
uA
mA
mA
Short Circuit Current (Note 6)
VOUT=0
--
600
900
mA
Output Noise,
10Hz to 100KHz, IL=10mA
CL=2.2uF
CL=3.3uF
CL=33uF
--
--
--
500
350
120
--
--
--
uVrms
Power Supply Ripple Rejection
F=100Hz, Vr=0.5Vss
--
60
--
dB
Note 1: Absolute Maximum Rating is limits beyond which damage to the device may occur. For guaranteed
specifications and test conditions see the electrical characteristics.
Note 2: Maximum positive supply voltage of 35V must be limited duration (<100mS) and duty cycle (<1%).
Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, TJ, the
junction to ambient thermal resistance, θJA, and the ambient temperature, Ta. Exceeding the maximum
allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal
shutdown. The effective value of θJA can be reduced by using a heatsink.
Note 3: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its
nominal value measured at 1V differential.
Note 4: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of
the ground pin current and output load current.
Note 5: Output current will decrease with increasing temperature, but it will be not dropped below 400mA at the
maximum specified temperature.


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