LT1083 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1083 Datasheet PDF : 18 Pages
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LT1083/LT1084/LT1085
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX
Reference Voltage
Line Regulation
IOUT = 10mA, TJ = 25°C,
(VIN – VOUT) = 3V
10mA ≤ IOUT ≤ IFULL_LOAD
1.5V ≤ (VIN – VOUT) ≤ 25V (Notes 4, 6, 7)
ILOAD = 10mA, 1.5V ≤ (VIN – VOUT) ≤ 15V, TJ = 25°C (Notes 2, 3)
1.238
l 1.225
l
1.250
1.250
0.015
0.035
1.262
1.270
0.2
0.2
Load Regulation
M-Grade: 15V ≤ (VIN – VOUT) ≤ 35V (Notes 2, 3)
l
0.05 0.5
C-, I-Grades: 15V ≤ (VIN – VOUT) ≤ 30V (Notes 2, 3)
l
0.05 0.5
(VIN – VOUT) = 3V, 10mA ≤ IOUT ≤ IFULL_LOAD, TJ = 25°C
(Notes 2, 3, 4, 6)
l
0.1
0.3
0.2
0.4
Dropout Voltage
Current Limit
LT1083
LT1084
LT1085
Minimum Load Current
Thermal Regulation
LT1083
LT1084
LT1085
ΔVREF = 1%, IOUT = IFULL_LOAD (Notes 5, 6, 8)
(VIN – VOUT) = 5V
(VIN – VOUT) = 25V
(VIN – VOUT) = 5V
(VIN – VOUT) = 25V
(VIN – VOUT) = 5V
(VIN – VOUT) = 25V
(VIN – VOUT) = 25V
TA = 25°C, 30ms Pulse
l
1.3
1.5
l 8.0
9.5
l 0.4
1.0
l 5.5
6.5
l 0.3
0.6
l 3.2
4.0
l 0.2
0.5
l
5
10
0.002
0.003
0.004
0.010
0.015
0.020
Ripple Rejection
Adjust Pin Current
f = 120Hz, CADJ = 25μF, COUT = 25μF Tantalum
IOUT = IFULL_LOAD, (VIN – VOUT) = 3V (Notes 6, 7, 8)
TJ = 25°C
l 60
l
75
55
120
Adjust Pin Current Change
Temperature Stability
10mA ≤ IOUT ≤ IFULL_LOAD, 1.5V ≤ (VIN – VOUT) ≤ 25V (Note 6)
l
l
0.2
5
0.5
Long-Term Stability
RMS Output Noise (% of VOUT)
TA = 125°C, 1000 Hrs
TA = 25°C, 10Hz = ≤ f ≤ 10kHz
0.3
1
0.003
UNITS
V
V
%
%
%
%
%
%
V
A
A
A
A
A
A
mA
%/W
%/W
%/W
dB
μA
μA
μA
%
%
%
108345fg
4
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