Datasheet

6
LT1529
LT1529-3.3/LT1529-5
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CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
SHDN Pin Current ADJ Pin Bias Current
TEMPERATURE (°C)
–50
0
SHDN PIN CURRENT (µA)
1
3
4
5
10
7
0
50
75
LT1529 • G19
2
8
9
6
–25
25
100
125
V
SHDN
= 0V
SHDN Pin Input Current
SHDN PIN VOLTAGE (V)
0
0
SHDN PIN INPUT CURRENT (mA)
5
15
20
25
2
4
59
LT1529 • G20
10
13
6
7
8
TEMPERATURE (°C)
–50
0
ADJ PIN BIAS CURRENT (nA)
50
150
200
250
500
350
0
50
75
LT1529 • G21
100
400
450
300
–25
25
100
125
V
ADJ
= V
OUT
= 3.75V
Current LimitCurrent LimitReverse Output Current
TEMPERATURE (°C)
–50
OUTPUT CURRENT (µA)
100
125
150
25 75
LT1529 • G22
75
50
–25 0
50 100 125
25
0
INPUT VOLTAGE (V)
0
SHORT-CIRCUIT CURRENT (A)
4
5
6
35
LT1529 • G23
3
2
12
467
1
0
V
OUT
= 0V
TEMPERATURE (°C)
–50
SHORT-CIRCUIT CURRENT (A)
4
5
6
25 75
LT1529 • G24
3
2
–25 0
50 100 125
1
0
V
IN
= 7V
V
OUT
= 0V
Reverse Output Current
OUTPUT VOLTAGE (V)
0
OUTPUT CURRENT (µA)
60
80
100
8
LT1529 • G25
40
20
50
70
90
30
10
0
2
4
6
19
3
5
7
10
LT1529
LT1529-5
LT1529-3.3
T
J
= 25°C, V
IN
= 0V
V
OUT
= V
SENSE
(LT1529-3.3/LT1529-5)
V
OUT
= V
ADJ
(LT1529)
CURRENT FLOWS
INTO DEVICE
Ripple Rejection
TEMPERATURE (°C)
–50
56
58
62
25 75
LT1529 • G26
54
52
–25 0
50 100 125
50
48
60
RIPPLE REJECTION (dB)
(V
IN
– V
OUT
)AVG = 1V
V
RIPPLE
= 0.5V
P-P
I
LOAD
= 1.5A
f = 120Hz
Ripple Rejection
FREQUENCY (Hz)
20
RIPPLE REJECTION (dB)
40
60
50
80
100
10
30
70
90
10 1k 10k 100k
LT1529 • G27
0
100
I
OUT
= 1.5A
V
IN
= V
OUT
(NOMINAL) + 1
+ 50mV
RMS
RIPPLE
C
OUT
= 47µF
C
OUT
= 22µF