lt1529cq-trpbf Linear Technology Corporation, lt1529cq-trpbf Datasheet - Page 5

• Manufacturer Part Number: lt1529cq-trpbf
• Description: 3a Low Dropout Regulators With Micropower Quiescent Current And Shutdown
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR
100
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
GND Pin Current
0
LT1529-3.3
GND Pin Current
0
LT1529-3.3
GND Pin Current
0
V
V
V
DEVICE IS OPERATING
IN DROPOUT
T
V
*FOR V
T
V
IN
IN
IN
J
J
OUT
OUT
= 25°C
1
= 25°C
1
= 3.75V (LT1529)
= 3.3V (LT1529-3.3)
= 5V (LT1529-5)
0.5
= V
= V
OUT
2
2
SENSE
SENSE
OUTPUT CURRENT (A)
= 3.3V
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
1.0
*FOR V
R
I
R
I
LOAD
LOAD
LOAD
LOAD
4
4
T
J
1.5
= 125°C
T
= 10mA*
= 100mA*
5
5
= 330Ω
= 33Ω
J
OUT
= 25°C
R
I
6
6
= 3.3V
LOAD
LOAD
R
I
R
I
2.0
R
I
R
I
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
7
7
= 700mA*
T
= 4.7Ω
J
W
= 500mA*
= 300mA*
= 1.5A*
= 3A*
= – 50°C
= 6.6Ω
= 11Ω
= 1.1Ω
= 2.2Ω
8
8
2.5
LT1529 • G16
LT1529 • G10
LT1529 • G13
A
9
9
U
3.0
10
10
CE
C
HARA TERISTICS
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
0
0
– 50
0
LT1529-5
GND Pin Current
LT1529-5
GND Pin Current
0
SHDN Pin Threshold
(On-to-Off)
T
V
*FOR V
T
V
*FOR V
I
I
I
LOAD
R
LOAD
J
OUT
LOAD
J
OUT
LOAD
= 25°C
= 25°C
R
1
1
–25
LOAD
= V
= V
= 1mA
= 700mA*
= 10mA*
OUT
OUT
2
2
C
= 500Ω
SENSE
SENSE
= 7.1Ω
0
= 5V
= 5V
TEMPERATURE (°C)
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
4
4
25
5
5
50
6
6
R
I
R
I
R
I
R
I
LOAD
LOAD
LOAD
R
I
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
75
7
7
= 500mA*
= 300mA*
= 100mA*
= 10Ω
= 16.6Ω
= 3A*
= 1.5A*
= 50Ω
= 3.3Ω
8
= 1.7Ω
8
100
LT1529 • G17
LT1529 • G11
LT1529 • G14
9
9
125
10
10
LT1529-3.3/LT1529-5
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
0
0
–50
0
0
LT1529
GND Pin Current
LT1529
GND Pin Current
SHDN Pin Threshold
(Off-to-On)
T
V
*FOR V
T
V
*FOR V
J
OUT
3.75V
J
OUT
= 25°C
= 25°C
1
1
–25
= V
= V
OUT
OUT
2
2
ADJ
ADJ
0
=
= 3.75V
TEMPERATURE (°C)
3
INPUT VOLTAGE (V)
3
INPUT VOLTAGE (V)
R
I
LOAD
4
4
LOAD
25
5
5
= 10mA*
I
= 375Ω
LOAD
50
I
LOAD
6
6
LT1529
R
I
R
I
R
I
R
I
R
I
R
I
LOAD
LOAD
LOAD
LOAD
LOAD
= 1mA
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
75
7
7
= 3A
= 500mA*
= 300mA*
= 100mA*
= 700mA*
= 1.5A*
= 3A*
= 7.5Ω
= 12.5Ω
= 38Ω
= 5.3Ω
= 2.5Ω
8
= 1.25W
8
100
LT1529 • G18
LT1529 • G12
LT1529 • G15
152935fb
9
9
5
125
10
10