Datasheet
LT3060 Series
11
3060fb
Current Limit vs Temperature
LT3060 Reverse Output Current
Reverse Output Current
SHDN Pin Input Current
ADJ Pin Bias Current
Current Limit vs V
IN
–V
OUT
TEMPERATURE (°C)
–75
0
SHDN PIN INPUT CURRENT (µA)
1.4
1.6
1.8
1.2
1.0
0.8
0.4
0.6
0.2
2.0
–50 75 100 125 150 175–25 0 25
3060 G29
50
V
SHDN
= 45V
TEMPERATURE (°C)
–75
–50
ADJ PIN BIAS CURRENT (nA)
20
30
40
10
0
–10
–30
–20
–40
50
–50 75 100 125 150 175–25 0 25
3060 G30
50
INPUT/OUTPUT DIFFERENTIAL (V)
0
0
CURRENT LIMIT (mA)
225
150
175
200
125
100
50
75
25
250
5 30 35 40 4510 15 20
3060 G31
25
∆V
OUT
= – 5%
T
J
= 25°C
T
J
= 125°C
T
J
= –50°C
6-PHASE
4-PHASE
3-PHASE
2-PHASE
1-PHASE
TEMPERATURE (°C)
–75
0
CURRENT LIMIT (mA)
175
200
225
150
125
100
50
75
25
250
–50 75 100 125 150 175–25 0 25
3060 G32
50
V
IN
= 7V
V
OUT
= 0V
OUTPUT VOLTAGE (V)
0
0
REVERSE OUTPUT CURRENT (mA)
1.4
1.6
1.8
1.2
1.0
0.8
0.4
0.6
0.2
2.0
5 30 35 40 4510 15 20
3060 G33
25
ADJ
OUT
T
J
= 25°C
V
IN
= 0V
CURRENT FLOWS
INTO OUT PIN
V
OUT
= V
ADJ
TEMPERATURE (°C)
–75
0
REVERSE OUTPUT CURRENT (µA)
35
40
45
30
25
20
10
15
5
50
–50 75 100 125 150 175–25 0 25
3060 G35
50
V
IN
= 0V, V
OUT
= V
ADJ
= 1.2V (LT3060)
V
OUT
= 1.2V (LT3060-1.2)
V
OUT
= 1.5V (LT3060-1.5)
V
OUT
= 1.8V (LT3060-1.8)
V
OUT
= 2.5V (LT3060-2.5)
V
OUT
= 3.3V (LT3060-3.3)
V
OUT
= 5V (LT3060-5)
OUT (LT3060)
ADJ (LT3060)
OUT (LT3060-1.2/-1.5/
-1.8/2.5/-3.3/-5)
Typical perForMance characTerisTics
SHDN Pin Threshold
SHDN Pin Input Current
TEMPERATURE (°C)
–75
0
SHDN PIN THRESHOLD (V)
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
0.6
0.5
0.4
0.2
0.3
0.1
1.5
–50 75 100 125 150 175–25 0 25
3060 G27
50
ON TO OFF
OFF TO ON
SHDN PIN VOLTAGE (V)
0
0
SHDN PIN INPUT CURRENT (µA)
1.4
1.6
1.8
1.2
1.0
0.8
0.4
0.6
0.2
2.0
5 30 35 40 4510 15 20
3060 G28
25
T
A
= 25°C, unless otherwise noted.
LT3060-1.2/-1.5/-1.8/-2.5/-3.3/-5
Reverse Output Current
OUTPUT VOLTAGE (V)
0
0
REVERSE OUTPUT CURRENT (µA)
250
150
200
100
50
350
300
5 30 35 40 4510 15 20
3060 G34
25
LT3060-1.2
LT3060-5
LT3060-1.5
LT3060-1.8
LT3060-2.5
LT3060-3.3
T
J
= 25°C
V
IN
= 0V
V
OUT
= 1.5V
V
OUT
= 1.2V
V
OUT
= 0.6V
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 3.3V
V
OUT
= 5V