Datasheet
LT3575
4
3575f
TYPICAL PERFORMANCE CHARACTERISTICS
Switch Saturation Voltage Switch Current Limit Switch Current Limit vs R
ILIM
SHDN/UVLO Falling Threshold SS Pin Current
T
A
= 25°C, unless otherwise noted.
SWITCH CURRENT (mA)
0
0
SWITCH V
CESAT
VOLTAGE (mV)
100
200
250
400
350
500 1000 20001500 2500
500
50
150
300
450
3000
3575 G04
125°C
25°C
–50°C
TEMPERATURE (°C)
–50
CURRENT LIMIT (A)
2.5
3
3.5
4
2.0
–25 250 50 75 100 125
0.5
0
1.5
4.5
1
3575 G05
MAX I
LIM
MIN I
LIM
TEMPERATURE (°C)
–50
SHDN/UVLO VOLTAGE (V)
1.24
1.26
1.22
25
–25
050
100
75 125
1.20
1.18
1.28
3575 G07
R
ILIM
RESISTANCE (kΩ)
0
SWITCH CURRENT LIMIT (A)
3
3.5
2.5
2
10 3020 40 50 60
0.5
0
1.5
4
1
3575 G06
TEMPERATURE (°C)
–60
SS PIN CURRENT (μA)
8
10
80
6
4
–20 20
–40 120
040
100
60 140
2
0
12
3575 G08