lt1528ct-pbf Linear Technology Corporation, lt1528ct-pbf Datasheet - Page 5
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lt1528ct-pbf
Manufacturer Part Number
lt1528ct-pbf
Description
3a Low Dropout Regulator For Microprocessor Applications
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1528CT-PBF.pdf
(12 pages)
TYPICAL PERFOR A CE CHARACTERISTICS
200
175
150
125
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
75
50
25
0
0
6
5
4
3
2
1
0
–50
–50
–50
SHDN Pin Threshold
(Off-to-On)
SENSE Pin Current
Current Limit
CURRENT FLOWS INTO SENSE PIN
V
V
IN
OUT
–25
–25
–25
= 7V
= 0V
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
I
LOAD
I
LOAD
75
75
75
= 3A
= 1mA
W
LT1528 • TPC10
LT1528 • TPC13
LT1528 • TPC16
100
100
100
U
125
125
125
1000
300
250
200
150
100
100
900
800
700
600
500
400
300
200
100
50
90
80
70
60
50
40
30
20
10
0
0
0
–50
–50
SHDN Pin Current
Reverse Output Current
Reverse Output Current
0
V
V
V
T
V
CURRENT FLOWS
INTO DEVICE
IN
OUT
J
SHDN
OUT
–25
= 25 C, V
1
–25
= 0V
= V
=V
= 0V
2
SENSE
SENSE
0
0
OUTPUT VOLTAGE (V)
TEMPERATURE ( C)
TEMPERATURE ( C)
IN
3
= 0V
25
4
25
5
50
50
6
75
75
7
8
LT1528 • TPC14
LT1528 • TPC11
100
LT1528 • TPC17
100
9
125
125
10
70
68
66
64
62
60
58
56
20
15
10
25
6
5
4
3
2
1
0
0
–50
5
0
Current Limit
SHDN Pin Input Current
Ripple Rejection
0
V
V
V
I
L
OUT
IN(AVG)
RIPPLE
= 1.5A
–25
1
1
= 0V
= 0.5V
2
= 4.3V
SHDN PIN VOLTAGE (V)
0
2
INPUT VOLTAGE (V)
TEMPERATURE ( C)
3
P-P
25
3
AT f = 120Hz
4
50
4
5
LT1528
6
75
5
7
LT1528 • TPC18
LT1528 • TPC15
100
LT1528 • TPC12
6
8
1528fa
5
125
7
9