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UC282-1 Datasheet(PDF) 2 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) 2 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
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)†}
VB
13 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIN
7.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage
1.2 V to 6.0 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature, Tstg
−65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction temperature, TJ
−55
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature (soldering, 10 seconds)
300
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
} Currents are positive into, negative out of the specified terminal. Consult Packaging Section of Databook for thermal limitations and
considerations of packages.
AVAILABLE OPTIONS(1)
PACKAGED DEVICES
TJ
TO-220 (T)
TO−263 (TD)(2)
TJ
OUTPUT VOLTAGE
OUTPUT VOLTAGE
1.5 V
2.1 V
2.5 V
1.2 V or ADJ
1.5 V
2.1 V
2.5 V
1.2 V or ADJ
–40
°C to 100°C
282T-1
282T-2
282T-3
282T-ADJ
282TD-1
282TD-2
282TD-3
282TD-ADJ
0
°C to 100°C
382T-1
382T-2
382T-3
382T-ADJ
382TD-1
382TD-2
382TD-3
382TD-ADJ
1. For more package and ordering information, see the Package Option Addendum located at the end of this data sheet.
2. For 50 piece reel, add KTTT (e.g., UC282TDKTTT−1); for 500 piece reel, add TR (e.g., UC282TDTR−1).
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)
UC382-3 fixed 2.5 V, 3-A family
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Output voltage (IVOUT = 100 mA)
UC382-3
2.475
2.500
2.525
V
Output voltage (IVOUT = 100 mA)
UC282-3
2.450
2.500
2.525
V
Load regulation
IVOUT = 10 mA to 3 A
0.5
4
mV
VIN PSSR
80
100
dB
VB PSSR
50
60
dB
IVOUT = 3 A,
TJ = 25°C
350
425
mV
VIN dropout voltage = VIN−VOUT
IVOUT = 3 A,
UC382-3
350
450
mV
VIN dropout voltage = VIN−VOUT
IVOUT = 3 A,
UC282-3
350
500
mV
VB dropout = VB−VOUT
IVOUT = 3 A,
UC382-3
1.8
2.10
V
VB dropout = VB−VOUT
IVOUT = 3 A,
UC282-3
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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