LT1963A Linear Technology, LT1963A Datasheet - Page 7

• Manufacturer Part Number: LT1963A
• Description: 1.5A/ Low Noise/ Fast Transient Response LDO Regulators
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
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
0
0
0
GND Pin Current vs I
SHDN Pin Input Current
LT1963A-2.5 GND Pin Current
V
IN
2
0.2
1
= V
OUT (NOMINAL)
4
2
0.4 0.6
R
SHDN PIN VOLTAGE (V)
R
OUTPUT CURRENT (A)
L
6
L
R
3
INPUT VOLTAGE (V)
= 5, I
= 1.67, I
L
= 2.5, I
8
4
L
= 500mA*
0.8
10 12 14 16 18 20
+1V
5
L
L
= 1.5A*
= 1A*
T
V
*FOR V
1.0 1.2
6
LOAD
J
SHDN
= 25°C
7
W
= V
OUT
8
IN
= 2.5V
1.4
1963 G21
1963 G24
1963 G18
9
U
1.6
10
100
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
7
6
5
4
3
2
1
0
0
0
–50
–50
LT1963A-3.3 GND Pin Current
0
SHDN Pin Input Current
SHDN Pin Threshold (On-to-Off)
I
L
= 1mA
1
–25
–25
2
R
0
L
0
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
= 6.6, I
R
R
L
4
25
L
25
= 2.2, I
= 3.3, I
L
5
= 500mA*
50
50
L
L
6
= 1.5A*
T
V
*FOR V
J
= 1A*
SHDN
= 25°C
75
7
75
V
SHDN
= V
OUT
8
100
IN
100
= 3.3V
= 20V
1963 G25
1963 G19
1963 G22
9
125
125
10
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
90
80
70
60
50
40
30
20
10
0
0
0
–50
–50
0
LT1963A GND Pin Current
ADJ Pin Bias Current
SHDN Pin Threshold (Off-to-On)
1
–25
–25
LT1963A Series
2
R
R
L
0
0
R
TEMPERATURE (°C)
L
= 2.42, I
3
INPUT VOLTAGE (V)
TEMPERATURE (°C)
L
= 1.21, I
= 0.81, I
4
25
25
L
5
L
= 500mA*
I
L
L
50
= 1A*
50
= 1.5A
= 1.5A*
T
V
*FOR V
J
SHDN
6
= 25°C
I
L
75
7
75
= 1mA
= V
OUT
IN
8
= 1.21V
100
100
1963 G26
1963 G20
1963 G23
9
1963af
7
125
125
10