LT1764-1.5 Linear Technology, LT1764-1.5 Datasheet - Page 6

• Manufacturer Part Number: LT1764-1.5
• Description: 3A/ Fast Transient Response/ Low Noise/LDO Regulators
• Manufacturer: Linear Technology

LT1764 Series
TYPICAL PERFOR A CE CHARACTERISTICS
6
20.0
17.5
15.0
12.5
10.0
200
160
120
7.5
5.0
2.5
80
40
15
12
0
0
3
9
6
0
0
0
LT1764-1.8 GND Pin Current
LT1764 GND Pin Current
0
LT1764-3.3 GND Pin Current
T
V
*FOR V
J
SHDN
1
1
= 25 C
1
= V
2
2
OUT
2
IN
I
I
I
L
L
R
L
= 1.21V
3
R
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
R
3
INPUT VOLTAGE (V)
L
= 500mA*
= 100mA*
= 100mA*
L
L
= 12.1
= 3.6
= 18
4
4
4
R
I
L
L
R
I
= 1.5A*
R
L
I
= 2.2
L
L
5
5
L
5
= 300mA*
= 1.1
= 3A*
= 4.33
I
6
T
V
*FOR V
R
6
T
V
*FOR V
L
6
J
SHDN
J
SHDN
L
= 500mA*
= 25 C
= 25 C
= 2.42
7
7
R
I
7
L
L
R
I
= V
= 300mA*
OUT
W
= V
L
OUT
= 6
L
= 0.7A*
8
8
8
= 4.71
IN
IN
= 3.3V
= 1.8V
1764 G13
9
1764 G19
9
1764 G16
9
U
10
10
10
150
120
150
120
30
30
40
35
30
25
20
15
10
90
60
90
60
5
0
0
0
0
0
0
LT1764-1.8 GND Pin Current
LT1764-2.5 GND Pin Current
LT1764 GND Pin Current
1
1
1
2
2
2
R
I
L
L
R
R
I
I
L
3
L
3
3
INPUT VOLTAGE (V)
= 0.6
INPUT VOLTAGE (V)
L
INPUT VOLTAGE (V)
= 3A*
L
= 500mA*
= 1.5A*
= 0.81
= 5
R
R
I
I
L
L
L
4
L
4
4
R
I
L
= 1.5A*
= 0.4
= 3A*
L
= 1.2
= 100mA*
= 25
5
5
5
T
V
*FOR V
T
V
*FOR V
6
6
J
6
T
V
*FOR V
SHDN
J
SHDN
J
= 25 C
SHDN
= 25 C
= 25 C
7
7
7
R
I
R
I
L
= V
L
R
I
OUT
L
L
L
= V
OUT
= V
= 0.7A*
= 0.7A*
OUT
L
= 2.57
= 1.73
= 300mA*
IN
8
8
8
= 8.33
IN
IN
= 1.21V
= 1.8V
= 2.5V
1764 G14
1764 G17
1764 G20
9
9
9
10
10
10
200
160
120
160
140
120
100
80
70
60
50
40
30
20
10
80
40
80
40
60
20
0
0
0
0
0
0
LT1764-3.3 GND Pin Current
LT1764-2.5 GND Pin Current
GND Pin Current vs I
V
IN
1
1
= V
0.5
OUT(NOM)
2
2
OUTPUT CURRENT (A)
3
3
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
R
I
L
1.0
R
L
I
= 500mA*
L
L
= 6.6
4
= 1.5A*
4
= 1.66
+ 1V
1.5
5
5
R
R
I
L
L
I
L
L
T
V
*FOR V
6
6
T
V
*FOR V
= 300mA*
= 0.83
LOAD
= 11
J
= 3A*
SHDN
J
SHDN
2.0
= 25 C
= 25 C
R
I
7
7
L
R
I
L
L
= 0.7A*
L
= V
OUT
= V
= 3.57
OUT
= 100mA*
= 33
8
8
IN
2.5
IN
= 2.5V
= 3.3V
9
1764 G15
9
1764 G18
1764 G21
1764fa
3.0
10
10