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LT1085CT-3.3 Datasheet(PDF) 3 Page - Linear Technology

Part # LT1085CT-3.3
Description  3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1085CT-3.3 Datasheet(HTML) 3 Page - Linear Technology

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LT1083/84/85 Fixed
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage
LT1085-3.6
5V
≤ VIN ≤ 15V, 0 ≤ IOUT ≤ 2.5A (Note 8)
q
3.528
3.672
V
VIN = 4.75V, IOUT = 3A, TJ ≥ 0°C
3.350
3.672
V
VIN = 4.75V, IOUT = 2.5A, TJ ≥ 0°C
3.450
3.672
V
VIN = 4.75V, IOUT = 1.5A, TJ > 0°C
3.528
3.672
V
LT1083/4/5-5
IOUT = 0mA, TJ = 25°C, VIN = 8V (K Package Only)
4.950
5.000
5.050
V
0
≤ IOUT ≤ IFULLOAD, 6.5V ≤ VIN ≤ 20V (Notes 3, 5, 6, 8)
4.900
5.000
5.100
V
LT1083/4/5-12
IOUT = 0mA, TJ = 25°C, VIN = 15V (K Package Only)
11.880 12.000 12.120
V
0
≤ IOUT ≤ IFULLOAD, 13.5V ≤ VIN ≤ 25V (Notes 3, 5, 6, 8)
11.760 12.000 12.240
V
Line Regulation
LT1084-3.3
IOUT = 0mA, TJ = 25°C, 4.8V ≤ VIN ≤ 15V
0.5
6
mV
q
1.0
6
mV
LT1085-3.3
4.8V
≤ VIN ≤ 15V, IOUT = 0mA, TJ= 25°C
0.5
6
mV
q
1.0
6
mV
LT1085-3.6
4.8V
≤ VIN ≤ 15V, IOUT = 0mA, TJ= 25°C
0.5
6
mV
q
1.0
6
mV
LT1083/4/5-5
IOUT = 0mA, TJ = 25°C, 6.5V ≤ VIN ≤ 20V (Notes 1, 2)
0.5
10
mV
q
1.0
10
mV
LT1083/4/5-12
IOUT = 0mA, TJ = 25°C, 13.5V ≤ VIN ≤ 25V (Notes 1, 2)
1.0
25
mV
q
2.0
25
mV
Load Regulation
LT1084-3.3
VIN = 5V, 0 ≤ IOUT ≤ 5A, TJ = 25°C
3
15
mV
q
720
mV
LT1085-3.3
VIN = 5V, 0 ≤ IOUT ≤ 3A, TJ = 25°C
3
15
mV
q
720
mV
LT1085-3.6
VIN = 5.25V, 0 ≤ IOUT ≤ 3A, TJ = 25°C
3
15
mV
q
720
mV
LT1083/4/5-5
VIN = 8V, 0 ≤ IOUT ≤ IFULLLOAD, TJ = 25°C (Notes 1, 2, 3, 5)
5
20
mV
q
10
35
mV
LT1083/4/5-12
VIN = 15V, 0 ≤ IOUT ≤ IFULLLOAD, TJ = 25°C (Notes 1, 2, 3, 5)
12
36
mV
q
24
72
mV
Dropout Voltage
LT1084/5-3.3
∆VOUT = 33mV, IOUT = IFULL LOAD (Notes 4, 5)
q
1.3
1.5
V
LT1085-3.6
∆VOUT = 36mV, IOUT = IFULL LOAD (Notes 4, 5)
q
1.3
1.5
V
LT1083/4/5-5
∆VOUT = 50mV, IOUT = IFULL LOAD (Notes 4, 5)
q
1.3
1.5
V
LT1083/4/5-12
∆VOUT = 120mV, IOUT = IFULL LOAD (Notes 4, 5)
q
1.3
1.5
V
Current Limit
LT1083-5
VIN = 10V
q
8.0
9.5
A
LT1083-12
VIN = 17V
q
8.0
9.5
A
LT1084-3.3
VIN = 8V
q
5.5
6.5
A
LT1084-5
VIN = 10V
q
5.5
6.5
A
LT1084-12
VIN = 17V
q
5.5
6.5
A
LT1085-3.3/3.6
VIN = 8V
q
3.2
4.0
A
LT1085-5
VIN = 10V
q
3.2
4.0
A
LT1085-12
VIN = 17V
q
3.2
4.0
A
Quiescient Current
LT1084-3.3
VIN = 18V
q
5.0
10.0
mA
LT1085-3.3
VIN = 18V
q
5.0
10.0
mA
LT1085-3.6
VIN = 18V
q
5.0
10.0
mA
LT1083/4/5-5
VIN ≤ 20V
q
5.0
10.0
mA
LT1083/4/5-12
VIN ≤ 25V
q
5.0
10.0
mA
Thermal Regulation
LT1083-5/12
TA = 25°C, 30ms pulse
0.002
0.010
%/W
LT1084-3.3/5/12
0.003
0.015
%/W
LT1085-3.3/3.6/5/12
0.004
0.020
%/W
Ripple Rejection
f = 120Hz, COUT = 25µF Tantalum, IOUT = IFULLLOAD
LT1084-3.3
f = 120Hz, COUT = 25µF Tantalum, IOUT = 5A, VIN = 6.3V
q
60
72
dB
ELECTRICAL CHARACTERISTICS


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