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LT1084CK Datasheet(PDF) 5 Page - Linear Technology

Part # LT1084CK
Description  7.5A, 5A, 3A Low Dropout Positive Adjustable Regulators
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1084CK Datasheet(HTML) 5 Page - Linear Technology

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5
LT1083/LT1084/LT1085
108345fe
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Operating Current
Temperature Stability
Adjust Pin Current
INPUT/OUTPUT DIFFERENTIAL (V)
0
0
1
3
4
5
10
7
10
20
25
LT1083/4/5 ADJ G10
2
8
9
6
5
15
30
35
TJ = –55°C
TJ = 150°C
TJ = 25°C
TEMPERATURE (°C)
–50
1.27
1.26
1.25
1.24
1.23
050
100
150
LT1083/4/5 ADJ G11
–25
25
75
125
TEMPERATURE (°C)
–50
100
90
80
70
60
50
40
30
20
10
0
050
100
150
LT1083/4/5 ADJ G12
–25
25
75
125
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
10
1k
10k
100k
1083/4/5 ADJ G13
100
VRIPPLE
≤ 0.5VP-P
VRIPPLE ≤ 3VP-P
(VIN – VOUT) ≥ 3V
(VIN – VOUT) ≥ VDROPOUT
CADJ = 200µF AT FREQUENCIES < 60Hz
CADJ = 25µF AT FREQUENCIES > 60Hz
IOUT = 7A
OUTPUT CURRENT (A)
0
100
90
80
70
60
50
40
30
20
10
0
2
4
5
1083/4/5 ADJ G14
13
6
7
8
VOUT = 5V
CADJ = 25µF
COUT = 25µF
fR = 120Hz
VRIPPLE ≤ 3VP-P
fR = 20kHz
VRIPPLE ≤ 0.5VP-P
CASE TEMPERATURE (°C)
50
100
90
80
70
60
50
40
30
20
10
0
LT1083/4/5 ADJ G15
60 70 80 90 100 110 120 130 140 150
LT1083MK
LT1083CP
LT1083CK
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LT1083
LT1083
LT1083
Ripple Rejection
Ripple Rejection vs Current
Maximum Power Dissipation*
LT1084
LT1084
LT1084
Ripple Rejection
Ripple Rejection vs Current
Maximum Power Dissipation*
FREQUENCY (Hz)
100
90
80
70
60
50
40
30
20
10
0
10
1k
10k
100k
1083/4/5 ADJ G16
100
VRIPPLE ≤ 0.5VP-P
VRIPPLE ≤ 3VP-P
(VIN – VOUT) ≥ 3V
(VIN – VOUT) ≥ VDROPOUT
CADJ = 200µF AT FREQUENCIES < 60Hz
CADJ = 25µF AT FREQUENCIES > 60Hz
IOUT = 5A
OUTPUT CURRENT (A)
0
100
90
80
70
60
50
40
30
20
10
0
2
4
5
1083/4/5 ADJ G17
13
VOUT = 5V
CADJ = 25µF
COUT = 25µF
fR = 120Hz
VRIPPLE ≤ 3VP-P
fR = 20kHz
VRIPPLE ≤ 0.5VP-P
CASE TEMPERATURE (°C)
50
60
50
40
30
20
10
0
LT1083/4/5 ADJ G18
60 70 80 90 100 110 120 130 140 150
LT1084MK
LT1084CT
LT1084CP
* AS LIMITED BY MAXIMUM JUNCTION TEMPERATURE
LT1084CK



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