LT1083 Datasheet, PDF (3/12 Pages) Linear Technology – 3A, 5A, 7.5A Low Dropout Positive Fixed Regulators

LT1083/84/85 Fixed
ELECTRICAL CHARACTERISTICS
PARAMETER
Output Voltage
Line Regulation
CONDITIONS
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12
LT1084-3.3
5V ≤ V_IN ≤ 15V, 0 ≤ I_OUT ≤ 2.5A (Note 8)
V_IN = 4.75V, I_OUT = 3A, T_J ≥ 0°C
V_IN = 4.75V, I_OUT = 2.5A, T_J ≥ 0°C
V_IN = 4.75V, I_OUT = 1.5A, T_J > 0°C
I_OUT = 0mA, T_J = 25°C, V_IN = 8V (K Package Only)
0 ≤ I_OUT ≤ I_FULLOAD, 6.5V ≤ V_IN ≤ 20V (Notes 3, 5, 6, 8)
I_OUT = 0mA, T_J = 25°C, V_IN = 15V (K Package Only)
0 ≤ I_OUT ≤ I_FULLOAD, 13.5V ≤ V_IN ≤ 25V (Notes 3, 5, 6, 8)
I_OUT = 0mA, T_J = 25°C, 4.8V ≤ V_IN ≤ 15V
LT1085-3.3
4.8V ≤ V_IN ≤ 15V, I_OUT = 0mA, T_J= 25°C
LT1085-3.6
4.8V ≤ V_IN ≤ 15V, I_OUT = 0mA, T_J= 25°C
LT1083/4/5-5 I_OUT = 0mA, T_J = 25°C, 6.5V ≤ V_IN ≤ 20V (Notes 1, 2)
LT1083/4/5-12 I_OUT = 0mA, T_J = 25°C, 13.5V ≤ V_IN ≤ 25V (Notes 1, 2)
Load Regulation
LT1084-3.3
V_IN = 5V, 0 ≤ I_OUT ≤ 5A, T_J = 25°C
LT1085-3.3
V_IN = 5V, 0 ≤ I_OUT ≤ 3A, T_J = 25°C
LT1085-3.6
V_IN = 5.25V, 0 ≤ I_OUT ≤ 3A, T_J = 25°C
LT1083/4/5-5 V_IN = 8V, 0 ≤ I_OUT ≤ I_FULLLOAD, T_J = 25°C (Notes 1, 2, 3, 5)
LT1083/4/5-12 V_IN = 15V, 0 ≤ I_OUT ≤ I_FULLLOAD, T_J = 25°C (Notes 1, 2, 3, 5)
Dropout Voltage
Current Limit
Quiescient Current
Thermal Regulation
Ripple Rejection
LT1084/5-3.3 ∆V_OUT = 33mV, I_OUT = I_{FULL LOAD} (Notes 4, 5)
LT1085-3.6
∆V_OUT = 36mV, I_OUT = I_{FULL LOAD} (Notes 4, 5)
LT1083/4/5-5 ∆V_OUT = 50mV, I_OUT = I_{FULL LOAD} (Notes 4, 5)
LT1083/4/5-12 ∆V_OUT = 120mV, I_OUT = I_{FULL LOAD} (Notes 4, 5)
LT1083-5
V_IN = 10V
LT1083-12
V_IN = 17V
LT1084-3.3
V_IN = 8V
LT1084-5
V_IN = 10V
LT1084-12
V_IN = 17V
LT1085-3.3/3.6 V_IN = 8V
LT1085-5
V_IN = 10V
LT1085-12
V_IN = 17V
LT1084-3.3
V_IN = 18V
LT1085-3.3
V_IN = 18V
LT1085-3.6
V_IN = 18V
LT1083/4/5-5 V_IN ≤ 20V
LT1083/4/5-12 V_IN ≤ 25V
LT1083-5/12 T_A = 25°C, 30ms pulse
LT1084-3.3/5/12
LT1085-3.3/3.6/5/12
f = 120Hz, C_OUT = 25µF Tantalum, I_OUT = I_FULLLOAD
LT1084-3.3
f = 120Hz, C_OUT = 25µF Tantalum, I_OUT = 5A, V_IN = 6.3V
MIN TYP MAX UNITS
q 3.528
3.350
3.450
3.528
3.672
V
3.672
V
3.672
V
3.672
V
4.950 5.000 5.050
V
4.900 5.000 5.100
V
11.880 12.000 12.120
V
11.760 12.000 12.240
V
0.5 6
mV
q
1.0 6
mV
0.5 6
mV
q
1.0 6
mV
0.5 6
mV
q
1.0 6
mV
0.5 10
mV
q
1.0 10
mV
1.0 25
mV
q
2.0 25
mV
3
15
mV
q
7
20
mV
3
15
mV
q
7
20
mV
3
15
mV
q
7
20
mV
5
20
mV
q
10 35
mV
12 36
mV
q
24 72
mV
q
1.3 1.5
V
q
1.3 1.5
V
q
1.3 1.5
V
q
1.3 1.5
V
q
8.0 9.5
A
q
8.0 9.5
A
q
5.5 6.5
A
q
5.5 6.5
A
q
5.5 6.5
A
q
3.2 4.0
A
q
3.2 4.0
A
q
3.2 4.0
A
q
5.0 10.0
mA
q
5.0 10.0
mA
q
5.0 10.0
mA
q
5.0 10.0
mA
q
5.0 10.0
mA
0.002 0.010 %/W
0.003 0.015 %/W
0.004 0.020 %/W
q
60 72
dB
3