Datasheet

LT3060 Series
10
3060fc
For more information www.linear.com/LT3060
SHDN Pin Input Current
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
ADJ Pin Bias Current
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
Current Limit vs V
IN
–V
OUT
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
Current Limit vs Temperature
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
LT3060 Reverse Output Current
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
Typical perForMance characTerisTics
SHDN Pin Threshold
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 Input Current
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.
GND Pin Current vs I
LOAD
OUTPUT CURRENT (mA)
0
0
GND PIN CURRENT (mA)
3.5
3.0
2.5
2.0
1.0
1.5
0.5
4.0
10 60 70 80 90 10020 30 40
3060 G26
50
V
IN
= V
OUT(NOMINAL)
+ 1V
INPUT VOLTAGE (V)
0
0
GND PIN CURRENT (mA)
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
2.50
1 6 7 8 9 102 3 4
3060 G25
5
T
J
= 25°C
*FOR V
OUT
= 0.6V
V
SHDN
= V
IN
R
L
= 6Ω
I
L
= 100mA*
R
L
= 12Ω
I
L
= 50mA*
R
L
= 60Ω
I
L
= 10mA*
R
L
= 600Ω
I
L
= 1mA*
LT3060 GND Pin Current