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LT1020CS Scheda tecnica(PDF) 3 Page - Linear Technology

Il numero della parte LT1020CS
Spiegazioni elettronici  Micropower Regulator and Comparator
PDF  16 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
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LT1020CS Scheda tecnica(HTML) 3 Page - Linear Technology

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LT1020
TJ = 25°C
ELECTRICAL C
C
HARA TERISTICS
ELECTRICAL C
C
HARA TERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Regulator
Feedback Bias Current
15
40
nA
Minimum Load Current
VIN = 36V
1
5
µA
Short-Circuit Current
VIN = 36V
300
400
mA
Pins 9 and 10 Shorted, VIN = 4.5V
3
30
mA
Comparator
Offset Voltage
0V
≤ VCM ≤ 35V, VIN = 36V
3
7
mV
Bias Current
0V
≤ VCM ≤ 35V, VIN = 36V
15
40
nA
Offset Current
0V
≤ VCM ≤ 35V, VIN = 36V
4
15
nA
Gain-NPN Pull-Down
∆VOUT = 29V, RL = 20k
2000
10000
V/ V
Common-Mode Rejection
0V
≤ VCM ≤ 35V, VIN = 36V
80
94
dB
Power Supply Rejection
4.5V
≤ VS ≤ 36V
80
96
dB
Output Sink Current
VIN = 4.5V
10
18
mA
NPN Saturation Voltage
IOUT = 1mA
0.4
0.6
V
Output Source Current
60
200
µA
Input Voltage Range
0VIN – 1
V
Response Time
5
µs
Leakage Current (NPN)
2
µA
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference
Reference Voltage
4.5V
≤ VIN ≤ 36V
q
2.40
2.50
2.55
V
Line Regulation
4.5V
≤ VIN ≤ 36V
q
0.01
0.02
%/V
Load Regulation
– 0.5mA
≤ IREF ≤ 1mA, VIN = 12V
q
0.3
0.4
%
Output Source Current
VIN = 5V
q
1mA
Output Sink Current
VIN = 5V
q
0.5
mA
Regulator
Supply Current
VIN = 6V, IOUT ≤ 100µA
q
65
95
µA
VIN = 36V, IOUT ≤ 100µA
q
85
120
µA
VIN = 12V, IOUT = 125mA
q
11
20
mA
Output Current
(VIN – VOUT) ≥ 1V, VIN ≥ 6V
q
125
mA
Load Regulation
(VIN – VOUT) ≥ 1V, VIN ≥ 6V
q
1%
Line Regulation
6V
≤ VIN ≤ 36V
q
0.02
%/ V
Dropout Voltage
IOUT = 100µA
q
0.06
V
IOUT = 125mA
q
0.85
V
Feedback Sense Voltage
VIN = 12V
q
2.38
2.5
2.57
V
Dropout Detector Current
∆VOUT = –0.05V, IOUT = 500µA
q
3
µA
Feedback Bias Current
q
50
nA
Minimum Load Current
VIN = 36V
q
50
µA
Short-Circuit Current
VIN = 36V
q
300
400
mA
Pins 9 and 10 Shorted, VIN = 4.5V
q
2.5
30
mA
Comparator
Offset Voltage
0V
≤ VCM ≤ 35V, VIN = 36V
q
10
mV
Bias Current
0V
≤ VCM ≤ 35V, VIN = 36V (Note 1)
q
15
60
nA
Offset Current
0V
≤ VCM ≤ 35V, VIN = 36V
q
20
nA
Gain-NPN Pull-Down
∆VOUT = 29V, RL = 20k
q
1000
V/ V



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