Datasheet

LT3012
6
3012fd
TYPICAL PERFORMANCE CHARACTERISTICS
GND Pin Current vs I
LOAD
SHDN Pin Threshold SHDN Pin Current
SHDN Pin Current ADJ Pin Bias Current Current Limit
Current Limit Reverse Output Current Reverse Output Current
LOAD CURRENT (mA)
0
GND PIN CURRENT (mA)
6
8
10
3012 G10
4
2
5
7
9
3
1
0
10050
200150
250
V
IN
= 4.75V
T
J
= 25°C
V
OUT
= 1.24V
TEMPERATURE (°C)
SHDN PIN THRESHOLD (V)
1.4
3012 G11
0.8
0.4
0.2
0
2.0
1.8
1.6
1.2
1.0
0.6
–50 0
50
75
–25
25
100
150125
OFF-TO-ON
ON-TO-OFF
SHDN PIN VOLTAGE (V)
0
SHDN PIN CURRENT (μA)
0.2
0.4
0.6
0.1
0.3
0.5
1.0 2.0
3012 G12
3.00.50 1.5 2.5
T
J
= 25°C
CURRENT FLOWS
OUT OF SHDN PIN
TEMPERATURE (°C)
SHDN PIN CURRENT (μA)
3012 G13
0.4
0.2
0.1
0
0.6
0.5
0.3
–50 0
50
75
–25
25
100
150125
V
IN
= 6V
V
SHDN
= 0V
CURRENT FLOWS
OUT OF SHDN PIN
TEMPERATURE (°C)
ADJ PIN BIAS CURRENT (nA)
3012 G14
100
80
20
40
60
0
120
–50 0
50
75
–25
25
100
150125
INPUT VOLTAGE (V)
0
CURRENT LIMIT (mA)
600
800
1000
3012 G15
400
200
500
700
900
300
100
0
2010
4030
60 70
50
80
T
J
= 25°C
T
J
= 125°C
V
OUT
= 0V
TEMPERATURE (°C)
0
CURRENT LIMIT (mA)
3012 G16
600
400
200
500
700
300
100
–50 0
50
75
–25
25
100
150125
V
IN
= 7V
V
OUT
= 0V
OUTPUT VOLTAGE (V)
0
REVERSE OUTPUT CURRENT (μA)
120
160
200
8
3012 G17
80
40
100
140
180
60
20
0
21
43
67 9
5
10
T
J
= 25°C
V
IN
= 0V
V
OUT
= V
ADJ
CURRENT FLOWS
INTO OUTPUT PIN
ADJ
PIN CLAMP
(SEE APPLICATIONS
INFORMATION)
TEMPERATURE (°C)
REVERSE OUTPUT CURRENT (μA)
3012 G18
–50 0
50
75
–25
25
100
150125
V
IN
= 0V
V
OUT
= V
ADJ
= 1.24V
100
80
20
40
60
0
120