LT1083 LINER [Linear Technology], LT1083 Datasheet - Page 5

• Manufacturer Part Number: LT1083
• Description: 3A, 5A, 7.5A Low Dropout Positive Fixed Regulators
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
70
60
40
30
20
80
50
10
0
2
1
0
2
1
0
10
0
0
LT1085 Dropout Voltage
LT1083/4/5-5 Ripple Rejection
LT1084 Dropout Voltage
0°C T
(V
0°C T
I
T
OUT
IN
T
J
INDICATES GUARANTEED TEST POINT
J
INDICATES GUARANTEED TEST POINT
= 150°C
– V
= 150°C
= I
1
J
V
OUT
J
FULL LOAD
RIPPLE
100
1
OUTPUT CURRENT (A)
125°C
OUTPUT CURRENT (A)
–55°C T
) V
125°C
FREQUENCY (Hz)
–55°C T
2
T
T
DROPOUT
J
J
3V
= 25°C
= 25°C
P-P
J
1k
2
3
J
150°C
(V
IN
150°C
T
4
– V
J
= –55°C
V
T
LT1083/4/5 FIXED G07
10k
OUT
LT1083/4/5 FIXEDG04
3
RIPPLE
W
J
0.5V
1083/4/5 FIXED G10
= –55°C
) 3V
5
P-P
U
100k
4
6
100
10
90
80
70
60
50
40
30
20
10
6
0
9
8
7
5
4
3
2
1
6
5
4
3
2
1
0
0
0
0
LT1084 Short Circuit Current
LT1085 Short-Circuit Current
LT1083/4/5-5 Ripple Rejection
vs Current
0
f
V
R
RIPPLE
GUARANTEED
= 20kHz
OUTPUT CURRENT (0 TO I
5
5
INPUT/OUTPUT DIFFERENTIAL (V)
–55°C
INPUT/OUTPUT DIFFERENTIAL (V)
GUARANTEED
–55°C
I
0.2
FULL LOAD
I
FULL LOAD
10
10
0.5V
150°C
P-P
0.4
15
15
25°C
150°C
25°C
20
20
f
V
R
RIPPLE
0.6
= 120Hz
LT1083/4/5 FIXED G08
FULL LOAD
25
25
LT1083/4/5 FIXED G05
1083/4/5 FIXED G11
3V
0.8
P-P
30
30
)
35
35
1.0
LT1083/84/85 Fixed
–0.05
–0.10
–0.15
–0.20
–0.05
–0.10
–0.15
–0.20
0.10
0.05
0.10
0.05
–1.0
–2.0
2.0
1.0
0
0
0
–50
–50
–50
LT1085 Load Regulation
LT1084 Load Regulation
Temperature Stability
I = 5A
I = 3A
–25
–25
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
LT1183/4/5 FIXED G12
100
100
LT1083/4/5 FIXED G09
100
LT1083/4/5 FIXED G06
125
125
125
5
150
150
150