LT1083_1 Datasheet, PDF (5/12 Pages) Linear Integrated Systems – 3A, 5A, 7.5A Low Dropout Positive Fixed Regulators

LT1083/LT1084/LT1085 Fixed
TYPICAL PERFOR A CE CHARACTERISTICS
LT1083 Dropout Voltage
2
INDICATES GUARANTEED TEST POINT
–40°C ≤ T_J ≤ 150°C
0°C ≤ T_J ≤ 125°C
1
T_J = 150°C
T_J = 25°C
T_J = –55°C
0
0 1 2 3 4 5 6 7 8 9 10
OUTPUT CURRENT (A)
LT1083/4/5 FIXED G01
LT1084 Dropout Voltage
2
INDICATES GUARANTEED TEST POINT
–55°C ≤ T_J ≤ 150°C
0°C ≤ T_J ≤ 125°C
1
T_J = –55°C
T_J = 150°C ^{TJ = 25°C}
0
0
1
2
3
4
5
6
OUTPUT CURRENT (A)
LT1083/4/5 FIXEDG04
LT1085 Dropout Voltage
2
INDICATES GUARANTEED TEST POINT
–55°C ≤ T_J ≤ 150°C
0°C ≤ T_J ≤ 125°C
1
T_J = 25°C
T_J = 150°C
T_J = –55°C
0
0
1
2
3
4
OUTPUT CURRENT (A)
LT1083/4/5 FIXED G07
LT1083 Short-Circuit Current
12
10
25°C
150°C
8
6
– 55°C
4
2
I_{FULL LOAD}
GUARANTEED
0
0 5 10 15 20 25 30 35
INPUT/OUTPUT DIFFERENTIAL (V)
LT1083/4/5 FIXED G02
LT1084 Short Circuit Current
10
9
8
7
150°C
6
25°C
5
–55°C
4
3
2
I_{FULL LOAD}
GUARANTEED
1
0
0 5 10 15 20 25 30 35
INPUT/OUTPUT DIFFERENTIAL (V)
LT1083/4/5 FIXED G05
LT1085 Short-Circuit Current
6
5
4
25°C
3
–55°C
2
150°C
1
I_{FULL LOAD}
GUARANTEED
0
05
10 15 20 25 30 35
INPUT/OUTPUT DIFFERENTIAL (V)
LT1083/4/5 FIXED G08
LT1083 Load Regulation
0.10
ΔI = 7.5A
0.05
0
– 0.05
– 0.10
– 0.15
– 0.20
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
LT1083/4/5 FIXED G03
LT1084 Load Regulation
0.10
ΔI = 5A
0.05
0
–0.05
–0.10
–0.15
–0.20
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
LT1083/4/5 FIXED G06
LT1085 Load Regulation
0.10
ΔI = 3A
0.05
0
–0.05
–0.10
–0.15
–0.20
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
LT1083/4/5 FIXED G09
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5