LT1529CT-3.3 Просмотр технического описания (PDF) - Linear Technology
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LT1529CT-3.3
Linear Technology
LT1529CT-3.3 Datasheet PDF : 12 Pages
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LT1529
LT 1529-3.3/LT 1529-5
TYPICAL PERFOR A CE CHARACTERISTICS
SHDN Pin Current
10
9 VSHDN = 0V
8
7
6
5
4
3
2
1
0
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1529 • G19
Reverse Output Current
150
125
100
75
50
25
0
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1529 • G22
Reverse Output Current
100
90
TJ = 25°C, VIN = 0V
VOUT = VSENSE
80 (LT1529-3.3/LT1529-5)
VOUT = VADJ (LT1529)
70 CURRENT FLOWS
INTO DEVICE
60
LT1529
50
40
30
LT1529-3.3
20
10
LT1529-5
0
0 1 2 3 4 5 6 7 8 9 10
OUTPUT VOLTAGE (V)
LT1529 • G25
SHDN Pin Input Current
25
20
15
10
5
0
01 2 3 4 5 6 7 8 9
SHDN PIN VOLTAGE (V)
LT1529 • G20
Current Limit
6
VOUT = 0V
5
4
3
2
1
0
01
2 34 5
INPUT VOLTAGE (V)
67
LT1529 • G23
Ripple Rejection
62
(VIN – VOUT)AVG = 1V
60
VRIPPLE = 0.5VP-P
ILOAD = 1.5A
f = 120Hz
58
56
54
52
50
48
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1529 • G26
ADJ Pin Bias Current
500
450 VADJ = VOUT = 3.75V
400
350
300
250
200
150
100
50
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1529 • G21
Current Limit
6
VIN = 7V
VOUT = 0V
5
4
3
2
1
0
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
LT1529 • G24
Ripple Rejection
100
90
IOUT = 1.5A
VIN = VOUT (NOMINAL) + 1
80
+ 50mVRMS RIPPLE
70
COUT = 47µF
60
SOLID TANT
50
40
COUT = 3.3µF
30
SOLID TANT
20
10
0
10
100
1k
10k
100k
FREQUENCY (Hz)
LT1529 • G27
6
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