Datasheet

LT3023
5
3023fa
TYPICAL PERFORMANCE CHARACTERISTICS
SHDN1 or SHDN2 Pin Threshold
(Off-to-On)
SHDN1 or SHDN2 Pin Input
Current
SHDN1 or SHDN2 Pin Input
Current
ADJ1 or ADJ2 Pin Bias Current Current Limit Current Limit
Reverse Output Current Reverse Output Current Input Ripple Rejection
TEMPERATURE (°C)
–50
SHDN PIN THRESHOLD (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
50
75
3023 G10
–25
25
100
125
I
L
= 100mA
I
L
= 1mA
SHDN PIN VOLTAGE (V)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
SHDN PIN INPUT CURRENT (μA)
3023 G11
0123
4
5
678910
TEMPERATURE (°C)
–50
SHDN PIN INPUT CURRENT (μA)
0
50
75
3023 G12
–25
25
100
125
V
SHDN
= 20V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
TEMPERATURE (°C)
–50
ADJ PIN BIAS CURRENT (nA)
100
90
80
70
60
50
40
30
20
10
0
0
50
75
3023 G13
–25
25
100
125
INPUT VOLTAGE (V)
0
SHORT-CIRCUIT CURRENT (mA)
2
4
5
3023 G14
1
3
6
7
350
300
250
200
150
100
50
0
V
OUT
= 0V
T
J
= 25°C
TEMPERATURE (°C)
–50
CURRENT LIMIT (mA)
0
50
75
3023 G15
–25
25
100
125
350
300
250
200
150
100
50
0
V
IN
= 7V
V
OUT
= 0V
OUTPUT VOLTAGE (V)
100
90
80
70
60
50
40
30
20
10
0
REVERSE OUTPUT CURRENT (μA)
3023 G16
0123
4
5
678910
T
A
= 25°C
V
IN
= 0V
V
OUT
= V
ADJ
CURRENT FLOWS
INTO OUTPUT PIN
TEMPERATURE (°C)
–50
REVERSE OUTPUT CURRENT (μA)
18
15
12
9
6
3
0
25 75
3023 G17
–25 0
50 100 125
V
IN
= 0V
V
OUT
= V
ADJ
= 1.22V
FREQUENCY (kHz)
RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
0.01 1 10 1000
3023 G18
0.1 100
I
L
= 100mA
V
IN
= 2.3V + 50mV
RMS
RIPPLE
C
BYP
= 0
C
OUT
= 10μF
C
OUT
= 1μF