LT1120C Ver la hoja de datos (PDF) - Linear Technology
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LT1120C Datasheet PDF : 12 Pages
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LT1120
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. Tj = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX
Feedback Sense Voltage
Shutdown Pin Voltage
VIN = 12V
Normal
2.44
2.5
2.56
0.4
Shutdown Pin Current
Feedback Bias Current
VOUT ≤ 0.5V
VIN = 1.4V
Shutdown
2.2
1.4
25
15
40
Minimum Load Current
Short-Circuit Current
Comparator
VIN = 36V
VIN = 36V
1
5
300 400
Offset Voltage
Bias Current
Gain
Power Supply Rejection
Output Sink Current
Saturation Voltage
Input Voltage Range
Response Time
VIN = 36V
VIN = 36V (Note 2)
ΔVOUT = 29V, RL = 20k
4.5V ≤ VS ≤ 36V
VIN = 4.5V
IOUT = 1mA
3
7
15
40
2000 10000
80
96
10
18
0.4
0.6
0
VIN – 1
5
Leakage Current
2
UNITS
V
V
V
μA
nA
μA
mA
mV
nA
V/V
dB
mA
V
V
μs
μA
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Reference
Reference Voltage
Line Regulation
Load Regulation
Output Source Current
Output Sink Current
Regulator
4.5V ≤ VIN ≤ 36V
4.5V ≤ VIN ≤ 36V
– 2mA ≤ IREF ≤ 2mA, VIN = 12V
VIN = 5V
VIN = 5V
● 2.40 2.50 2.55
V
●
0.01 0.02
%/V
●
0.4
0.8
%
●2
mA
●2
mA
Supply Current
Output Current
Load Regulation
Line Regulation
Dropout Voltage
Feedback Sense Voltage
Feedback Bias Current
VIN = 6V, IOUT ≤ 100μA
VIN = 36V, IOUT ≤ 100μA
VIN = 12V, IOUT = 125mA
(VIN – VOUT) ≥ 1V, VIN ≥ 6V
(VIN – VOUT) ≥ 1V, VIN ≥ 6V
6V ≤ VIN ≤ 36V
IOUT = 100μA
IOUT = 125mA
VIN = 12V
●
65
95
μA
●
85
100
μA
●
11
20
mA
● 125
mA
●
1
%
●
0.02
%/V
●
0.06
V
●
0.85
V
● 2.38
2.5
2.57
V
●
50
nA
Minimum Load Current
Short-Circuit Current
VIN = 36V
VIN = 36V
●
50
μA
●
300 400
mA
1120fd
3
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