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參數資料
| 型號： | UC3-3 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 3A Fixed Low Dropout Linear Regulator (LDO) |
| 中文描述： | 3A固定低壓差線性穩(wěn)壓器（LDO） |
| 文件頁數： | 3/6頁 |
| 文件大?。?/td> | 184K |
| 代理商： | UC3-3 |
3
UC182-1,-2,-3,-ADJ
UC282-1,-2,-3,-ADJ
UC382-1,-2,-3,-ADJ
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these parameters apply for T
A
= –55
°
C to 125°C for the
UC182-X series, –25°C to +100°C for the UC282-X series and 0°C to +100°C for the UC382-X, VB = 5V; VIN = 3.3V, VOUT =
2.5V for the UC382-ADJ, T
A
= T
J
.
PARAMETERS
TEST CONDITIONS
UC382-2 Fixed 2.1V, 3A Family (cont.)
VB PSSR
VIN Dropout Voltage = VIN–VOUT
I
VOUT
= 3A, T
J
= 25°C
I
VOUT
= 3A, UC382-2
I
VOUT
= 3A, UC282-2 and UC182-2
VB Dropout = VB–VOUT
I
VOUT
= 3A, UC382-2
I
VOUT
= 3A, UC282-2
I
VOUT
= 3A, UC182-2
Short Circuit Current Limit
VB Current
I
VOUT
= 10mA
I
VOUT
= 3A
VIN Current
I
VOUT
= 3A
UC382-1 Fixed 1.5V, 3A Family
Output Voltage (I
VOUT
= 100mA)
UC382-1
UC282-1 and UC182-1
Load Regulation
I
VOUT
= 10mA to 3A
VIN PSSR
VB PSSR
VIN Dropout Voltage = VIN–VOUT
I
VOUT
= 3A, TJ = 25°C
I
VOUT
= 3A, UC282-1
I
VOUT
= 3A, UC282-2 and UC182-1
VB Dropout = VB–VOUT
I
VOUT
= 3A, UC382-1
I
VOUT
= 3A, UC282-1
I
VOUT
= 3A, UC182-1
Short Circuit Current Limit
VB Current
I
VOUT
= 10mA
I
VOUT
= 3A
VIN Current
I
VOUT
= 3A
UC382-ADJ Adjustable, 3A Family
ADJ Voltage (I
VOUT
= 100 mA)
UC382-ADJ
UC282-ADJ and UC182-ADJ
Load Regulation
I
VOUT
= 10mA to 3A
VIN PSSR
VOUT Programmed for 2.5V
VB PSSR
VOUT Programmed for 2.5V
VIN Dropout Voltage = VIN–VOUT
I
VOUT
= 3A, T
J
= 25°C
I
VOUT
= 3A, UC382-ADJ
I
VOUT
= 3A, UC282-ADJ and UC182-ADJ
VB Dropout = VB–VOUT
I
VOUT
= 3A, UC382-ADJ
I
VOUT
= 3A, UC282-ADJ
Short Circuit Current Limit
VB Current
I
VOUT
= 10mA
I
VOUT
= 3A
VIN Current
I
VOUT
= 3A
MIN
TYP
MAX
UNITS
52
62
350
350
350
1.8
1.8
1.8
dB
mV
mV
mV
V
V
V
A
mA
mA
A
425
450
500
2.10
2.20
2.35
4.5
9
60
3.3
6
18
2.97
2.94
1.485
1.470
1.500
1.500
0.5
100
65
350
350
350
1.8
1.8
1.8
1.515
1.515
4
V
V
mV
dB
dB
mV
mV
mV
V
V
V
A
mA
mA
A
80
55
425
450
500
2.10
2.20
2.35
4.5
9
60
3.3
6
18
2.97
2.94
1.188
1.176
1.200
1.200
0.5
100
60
350
350
350
1.8
1.8
1.212
1.212
4
V
V
mV
dB
dB
mV
mV
mV
V
V
A
mA
mA
A
80
50
425
450
500
2.10
2.20
4.5
9
60
3.3
6
18
2.97
2.94
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| UC2-1 | 3A Fixed Low Dropout Linear Regulator (LDO) |
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