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