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UC282-1 Datasheet(PDF) 3 Page - Texas Instruments

Part No. UC282-1
Description  FAST LDO LINEAR REGULATOR
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

UC282-1 Datasheet(HTML) 3 Page - Texas Instruments

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UC2821, UC2822, UC2823, UC282ADJ, UC3821, UC3822, UC3823, UC382ADJ
FAST LDO LINEAR REGULATOR
SLUS317B − JANUARY 2000 − REVISED FEBRUARY 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, TA = −40°C to 100°C for the UC282-X series and 0°C to 100°C for the
UC382-X, VB = 5 V, VIN = 3.3 V, VOUT = 2.5 V for the UC382-ADJ, TA = TJ, (unless otherwise stated)
UC382-2 fixed 2.1 V, 3-A family
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Output voltage (IVOUT = 100 mA)
UC382-2
2.079
2.100
2.121
V
Output voltage (IVOUT = 100 mA)
UC282-2
2.058
2.100
2.121
V
Load regulation
IVOUT = 10 mA to 3 A
0.5
4
mV
VIN PSSR
80
100
dB
VB PSSR
52
62
dB
IVOUT = 3 A,
TJ = 25°C
350
425
mV
VIN dropout voltage = VIN−VOUT
IVOUT = 3 A,
UC382-2
350
450
mV
VIN dropout voltage = VIN−VOUT
IVOUT = 3 A,
UC282-2
350
500
mV
VB dropout = VB−VOUT
IVOUT = 3 A,
UC382-2
1.8
2.10
V
VB dropout = VB−VOUT
IVOUT = 3 A,
UC282-2
1.8
2.20
V
Short circuit current limit
3.3
4.5
A
VB current
IVOUT = 10 mA
6
11
mA
VB current
IVOUT = 3 A
18
60
mA
VIN current
IVOUT = 3 A
2.94
2.97
A
UC382-1 fixed 1.5 V, 3-A family
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Output voltage (IVOUT = 100 mA)
UC382-1
1.485
1.500
1.515
V
Output voltage (IVOUT = 100 mA)
UC282-1
1.470
1.500
1.515
V
Load regulation
IVOUT = 10 mA to 3 A
0.5
4
mV
VIN PSSR
80
100
dB
VB PSSR
55
65
dB
IVOUT = 3 A,
TJ = 25°C
350
425
mV
VIN dropout voltage = VIN−VOUT
IVOUT = 3 A,
UC382-1
350
450
mV
VIN dropout voltage = VIN−VOUT
IVOUT = 3 A,
UC282-1
350
500
mV
VB dropout = VB−VOUT
IVOUT = 3 A,
UC382-1
1.8
2.10
V
VB dropout = VB−VOUT
IVOUT = 3 A,
UC282-1
1.8
2.20
V
Short circuit current limit
3.3
4.5
A
VB current
IVOUT = 10 mA
6
11
mA
VB current
IVOUT = 3 A
18
60
mA
VIN current
IVOUT = 3 A
2.94
2.97
A


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