LT1764-1.5 Linear Technology, LT1764-1.5 Datasheet - Page 7

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

TYPICAL PERFOR A CE CHARACTERISTICS
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
10
0
9
8
7
6
5
4
3
2
1
0
6
5
3
2
1
0
4
–50
–50
–50
SHDN Pin Input Current
SHDN Pin Threshold
(On-to-Off)
Current Limit
V
I
L
SHDN
= 1mA
–25
–25
–25
= 20V
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
75
75
75
W
V
V
IN
OUT
100
100
100
= 7V
1764 G28
1764 G22
1764 G25
= 0V
U
125
125
125
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
– 50
–50
0
SHDN Pin Threshold
(Off-to-On)
ADJ Pin Bias Current
Reverse Output Current
LT1764-3.3
LT1764-2.5
LT1764-1.8
– 25
1
–25
LT1764
2
0
OUTPUT VOLTAGE (V)
0
TEMPERATURE ( C)
TEMPERATURE ( C)
3
I
L
I
L
= 1mA
4
= 3A
25
25
5
(LT1764-1.8/-2.5/-3.3)
V
50
OUT
50
INTO OUTPUT PIN
6
CURRENT FLOWS
= V
75
75
7
ADJ
V
OUT
T
(LT1764)
8
V
J
100
100
IN
= 25 C
= V
1764 G23
1756 G26
= 0V
1764 G29
9
FB
125
125
10
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
10
9
8
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
0
–50
0
0
Current Limit
SHDN Pin Input Current
Reverse Output Current
V
V
V
V
V
IN
OUT
OUT
OUT
OUT
2
2
–25
= 0V
INPUT/OUTPUT DIFFERENTIAL (V)
= 1.21V (LT1764)
= 1.8V (LT1764-1.8)
= 2.5V (LT1764-2.5)
= 3.3V (LT1764-3.3)
4
4
T
LT1764 Series
SHDN PIN VOLTAGE (V)
J
0
TEMPERATURE ( C)
6
= 125 C
6
T
J
LT1764-1.8/-2.5/-3.3
= 25 C
8
8
25
10
10
LT1764
50
12
12
T
J
14
14
= –50 C
75
16
16
100
18
18
1764 G30
1764 G24
1764 G27
1764fa
7
125
20
20