IC LDO 3A 3.3V SHUTDOWN DDPAK-5

LT1529IQ-3.3

Manufacturer Part NumberLT1529IQ-3.3
DescriptionIC LDO 3A 3.3V SHUTDOWN DDPAK-5
ManufacturerLinear Technology
LT1529IQ-3.3 datasheet
 


Specifications of LT1529IQ-3.3

Regulator TopologyPositive FixedVoltage - Output3.3V
Voltage - InputUp to 15VVoltage - Dropout (typical)0.6V @ 3A
Number Of Regulators1Current - Output3A
Current - Limit (min)3.2AOperating Temperature-45°C ~ 125°C
Mounting TypeSurface MountPackage / CaseTO-263-5, D²Pak (5 leads + Tab), TO-263BA
Lead Free Status / RoHS StatusContains lead / RoHS non-compliant  
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LT1529
LT1529-3.3/LT1529-5
W
U
TYPICAL PERFOR
A
SHDN Pin Current
10
V
= 0V
SHDN
9
8
7
6
5
4
3
2
1
0
– 50
0
25
50
75
125
–25
100
TEMPERATURE (°C)
LT1529 • G19
Reverse Output Current
150
125
100
75
50
25
0
– 50
– 25
0
25
50
75
100
125
TEMPERATURE (°C)
LT1529 • G22
Reverse Output Current
100
T
= 25°C, V
= 0V
J
IN
90
V
= V
OUT
SENSE
(LT1529-3.3/LT1529-5)
80
V
= V
(LT1529)
OUT
ADJ
CURRENT FLOWS
70
INTO DEVICE
60
LT1529
50
40
30
LT1529-3.3
20
LT1529-5
10
0
0
1
2
3
4
5
6
7
8
9
10
OUTPUT VOLTAGE (V)
LT1529 • G25
6
CE
C
HARA TERISTICS
C
SHDN Pin Input Current
25
20
15
10
5
0
0
1
2
3
4
5
6
7
SHDN PIN VOLTAGE (V)
LT1529 • G20
Current Limit
6
V
= 0V
OUT
5
4
3
2
1
0
0
1
2
3
4
5
INPUT VOLTAGE (V)
LT1529 • G23
Ripple Rejection
62
(V
– V
)AVG = 1V
IN
OUT
V
= 0.5V
RIPPLE
P-P
60
I
= 1.5A
LOAD
f = 120Hz
58
56
54
52
50
48
– 50
25
50
75
100
– 25
0
TEMPERATURE (°C)
ADJ Pin Bias Current
500
V
= V
= 3.75V
ADJ
OUT
450
400
350
300
250
200
150
100
50
0
–50
0
25
50
–25
8
9
TEMPERATURE (°C)
Current Limit
6
V
= 7V
IN
V
= 0V
OUT
5
4
3
2
1
0
6
7
– 50
– 25
0
25
50
TEMPERATURE (°C)
Ripple Rejection
100
I
= 1.5A
OUT
90
V
= V
(NOMINAL) + 1
IN
OUT
+ 50mV
RIPPLE
RMS
80
70
60
50
40
C
OUT
30
20
10
0
10
100
1k
125
FREQUENCY (Hz)
LT1529 • G26
75
100
125
LT1529 • G21
75
100
125
LT1529 • G24
C
= 47µF
OUT
= 22µF
10k
100k
LT1529 • G27
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