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UC285TD-ADJ Fiches technique(PDF) 2 Page - Texas Instruments

No de pièce UC285TD-ADJ
Description  FAST TRANSIENT RESPONSE 5A LOW-DROPOUT REGULATOR
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

UC285TD-ADJ Fiches technique(HTML) 2 Page - Texas Instruments

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UC2851, UC2852, UC2853, UC285ADJ, UC3851, UC3852, UC3853, UC385ADJ
FAST TRANSIENT RESPONSE 5A
LOW DROPOUT REGULATOR
SLUS212F − NOVEMBER 1999 − REVISED MAY 2009
2
www.ti.com
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
−65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction temperature
−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.
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
285T-1
285T-2
285T-3
285T-ADJ
285TD-1
285TD-2
285TD-3
285TD-ADJ
0
°C to 100°C
385T-1
385T-2
385T-3
385T-ADJ
385TD-1
385TD-2
385TD-3
385TD-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., UC285TDKTTT−1); for 500 piece reel, add TR (e.g., UC285TDTR−1).
electrical characteristics unless otherwise stated, these parameters apply for TA = −40°C to 100°C
for the UC285-x series and 0
°C to 100°C for the UC385-x, VB = 5 V; VIN = 3.3 V, VOUT = 2.5 V, TA = TJ.
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
UC385-3 Fixed 2.5 V, 5-A Family
Output voltage
UC385-3
IVOUT = 100 mA
2.475
2.5
2.525
V
Output voltage
UC285-3
IVOUT = 100 mA
2.45
2.5
2.525
V
Load regulation
IVOUT = 10 mA to 5 A
0.5
4
mV
VIN PSRR
80
110
dB
VB PSRR
50
65
dB
VIN dropout voltage (VIN - VOUT)
IVOUT = 5 A,
TJ = 25°C
350
425
mV
VIN dropout voltage (VIN - VOUT)
UC385-3
IVOUT = 5 A
350
490
mV
UC285-3
IVOUT = 5 A
350
500
mV
VB dropout (VB - VOUT)
UC385-3
IVOUT = 5 A
1.8
2.1
V
VB dropout (VB - VOUT)
UC285-3
IVOUT = 5 A
1.8
2.2
V
Short circuit current limit
5.1
7.5
A
VB current
IVOUT = 10 mA
8
15
mA
VB current
IVOUT = 5 A
40
100
mA
VIN current
IVOUT = 5 A
4.9
4.96
A
UC385-2 Fixed 2.1 V, 5-A Family
Output voltage
UC385-2
IVOUT = 100 mA
2.079
2.1
2.121
V
Output voltage
UC285-2
IVOUT = 100 mA
2.058
2.1
2.121
V
Load regulation
IVOUT = 10 mA to 5 A
0.5
4
mV
VIN PSRR
80
110
dB
VB PSRR
50
67
dB


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