LT1020_03 Datasheet, PDF (3/16 Pages) Linear Technology – Micropower Regulator and Comparator

LT1020
ELECTRICAL CHARACTERISTICS T_J = 25°C
PARAMETER
CONDITIONS
Regulator
Feedback Sense Voltage
Dropout Detector Current
Feedback Bias Current
V_IN = 12V
∆V_OUT = – 0.05V, I_OUT = 500µA
Minimum Load Current
Short-Circuit Current
Comparator
V_IN = 36V
V_IN = 36V
Pins 9 and 10 Shorted, V_IN = 4.5V
Offset Voltage
Bias Current
Offset Current
Gain-NPN Pull-Down
Common Mode Rejection
Power Supply Rejection
Output Sink Current
NPN Saturation Voltage
Output Source Current
0V ≤ V_CM ≤ 35V, V_IN = 36V
0V ≤ V_CM ≤ 35V, V_IN = 36V
0V ≤ V_CM ≤ 35V, V_IN = 36V
∆V_OUT = 29V, R_L = 20k
0V ≤ V_CM ≤ 35V, V_IN = 36V
4.5V ≤ V_S ≤ 36V
V_IN = 4.5V
I_OUT = 1mA
Input Voltage Range
Response Time
Leakage Current (NPN)
MIN
TYP
MAX
2.44
2.5
2.56
3
20
15
40
1
5
300
400
3
30
3
7
15
40
4
15
2000
10000
80
94
80
96
10
18
0.4
0.6
60
200
0
V_IN – 1
5
2
UNITS
V
µA
nA
µA
mA
mA
mV
nA
nA
V/ V
dB
dB
mA
V
µA
V
µs
µA
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T_J = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference
Reference Voltage
Line Regulation
Load Regulation
Output Source Current
Output Sink Current
Regulator
4.5V ≤ V_IN ≤ 36V
4.5V ≤ V_IN ≤ 36V
– 0.5mA ≤ I_REF ≤ 1mA, V_IN = 12V
V_IN = 5V
V_IN = 5V
q
2.40
2.50
2.55
V
q
0.01
0.02
%/V
q
0.3
0.4
%
q
1
mA
q
0.5
mA
Supply Current
Output Current
Load Regulation
Line Regulation
Dropout Voltage
Feedback Sense Voltage
Dropout Detector Current
Feedback Bias Current
V_IN = 6V, I_OUT ≤ 100µA
V_IN = 36V, I_OUT ≤ 100µA
V_IN = 12V, I_OUT = 125mA
(V_IN – V_OUT) ≥ 1V, V_IN ≥ 6V
(V_IN – V_OUT) ≥ 1V, V_IN ≥ 6V
6V ≤ V_IN ≤ 36V
I_OUT = 100µA
I_OUT = 125mA
V_IN = 12V
∆V_OUT = – 0.05V, I_OUT = 500µA
q
65
95
µA
q
85
120
µA
q
11
20
mA
q
125
mA
q
1
%
q
0.02
%/ V
q
0.06
V
q
0.85
V
q
2.38
2.5
2.57
V
q
3
µA
q
50
nA
Minimum Load Current
Short-Circuit Current
Comparator
V_IN = 36V
V_IN = 36V
Pins 9 and 10 Shorted, V_IN = 4.5V
q
50
µA
q
300
400
mA
q
2.5
30
mA
Offset Voltage
Bias Current
0V ≤ V_CM ≤ 35V, V_IN = 36V
q
0V ≤ V_CM ≤ 35V, V_IN = 36V (Note 2)
q
10
mV
15
60
nA
sn1020 1020fcs
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