LT1085CT-33 Datasheet, PDF (3/12 Pages) Linear Technology – 3A, 5A, 7.5A Low Dropout Positive Fixed Regulators

LT1083/LT1084/LT1085 Fixed
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX
Output Voltage
Line Regulation
LT1084-3.3
I_OUT = 0mA, T_J = 25°C, V_IN = 8V (K Package Only)
4.8V ≤ V_IN ≤ 15V, 0 ≤ I_OUT ≤ I_FULLOAD (Notes 3, 4, 9)
LT1085-3.3
V_IN = 5V, I_OUT = 0mA, T_J = 25°C (K Package Only)
4.8V ≤ V_IN ≤ 15V, 0 ≤ I_OUT ≤ I_FULLOAD (Notes 3, 4, 9)
LT1085-3.6
V_IN = 5V, I_OUT = 0mA, T_J = 25°C (K Package Only)
5V ≤ V_IN ≤ 15V, 0 ≤ I_OUT ≤ I_FULLOAD (Note 9)
5V ≤ V_IN ≤ 15V, 0 ≤ I_OUT ≤ I_FULLOAD, TJ ≥ 0°C (Notes 3, 4, 9)
LT1085-3.6
5V ≤ V_IN ≤ 15V, 0 ≤ I_OUT ≤ 2.5A (Notes 3, 4, 9)
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
LT1083/4/5-5 I_OUT = 0mA, T_J = 25°C, V_IN = 8V (K Package Only)
0 ≤ I_OUT ≤ I_FULLOAD, 6.5V ≤ V_IN ≤ 20V (Notes 4, 6, 7, 9)
LT1083/4/5-12 I_OUT = 0mA, T_J = 25°C, V_IN = 15V (K Package Only)
0 ≤ I_OUT ≤ I_FULLOAD, 13.5V ≤ V_IN ≤ 25V (Notes 4, 6, 7, 9)
LT1084-3.3 I_OUT = 0mA, T_J = 25°C, 4.8V ≤ V_IN ≤ 15V
3.270 3.300 3.330
● 3.235 3.300 3.365
3.270 3.300 3.330
● 3.235 3.300 3.365
3.564
● 3.500
3.528
3.600
3.636
3.672
3.672
● 3.528
3.350
3.450
3.528
3.672
3.672
3.672
3.672
4.950 5.000 5.050
4.900 5.000 5.100
11.880 12.000 12.120
11.760 12.000 12.240
0.5
6
●
1.0
6
LT1085-3.3 4.8V ≤ V_IN ≤ 15V, I_OUT = 0mA, T_J= 25°C
0.5
6
●
1.0
6
LT1085-3.6 4.8V ≤ V_IN ≤ 15V, I_OUT = 0mA, T_J= 25°C
0.5
6
●
1.0
6
LT1083/4/5-5 I_OUT = 0mA, T_J = 25°C, 6.5V ≤ V_IN ≤ 20V (Notes 2, 3)
0.5
10
●
1.0
10
LT1083/4/5-12 I_OUT = 0mA, T_J = 25°C, 13.5V ≤ V_IN ≤ 25V (Notes 2, 3)
1.0
25
●
2.0
25
Load Regulation
LT1084-3.3 V_IN = 5V, 0 ≤ I_OUT ≤ 5A, T_J = 25°C
3
15
●
7
20
LT1085-3.3 V_IN = 5V, 0 ≤ I_OUT ≤ 3A, T_J = 25°C
3
15
●
7
20
LT1085-3.6 V_IN = 5.25V, 0 ≤ I_OUT ≤ 3A, T_J = 25°C
3
15
●
7
20
LT1083/4/5-5 V_IN = 8V, 0 ≤ I_OUT ≤ I_FULLLOAD, T_J = 25°C (Notes 2, 3, 4, 6)
●
5
20
10
35
LT1083/4/5-12 V_IN = 15V, 0 ≤ I_OUT ≤ I_FULLLOAD, T_J = 25°C (Notes 2, 3, 4, 6)
●
12
36
24
72
Dropout Voltage
Current Limit
LT1084/5-3.3 ΔV_OUT = 33mV, I_OUT = I_{FULL LOAD} (Notes 5, 6)
LT1085-3.6 ΔV_OUT = 36mV, I_OUT = I_{FULL LOAD} (Notes 5, 6)
LT1083/4/5-5 ΔV_OUT = 50mV, I_OUT = I_{FULL LOAD} (Notes 5, 6)
LT1083/4/5-12 ΔV_OUT = 120mV, I_OUT = I_{FULL LOAD} (Notes 5, 6)
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
●
1.3
1.5
●
1.3
1.5
●
1.3
1.5
●
1.3
1.5
● 8.0
9.5
● 8.0
9.5
● 5.5
6.5
● 5.5
6.5
● 5.5
6.5
● 3.2
4.0
● 3.2
4.0
● 3.2
4.0
UNITS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
A
A
A
A
A
A
A
A
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