Datasheet

LT3573
4
3573fd
For more information www.linear.com/LT3573
TYPICAL PERFORMANCE CHARACTERISTICS
Switch V
CESAT
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 (A)
0
0
SWITCH V
CESAT
VOLTAGE (mV)
100
200
300
0.25 0.50 1.000.75 1.25
400
50
150
250
350
1.50
3573 G04
125°C
25°C
–50°C
TEMPERATURE (°C)
–50
CURRENT LIMIT (A)
1.2
1.4
1.6
1.0
0.8
–25 250 50 75 100 125
0.2
0
0.6
1.8
0.4
3573 G05
MAXIMUM CURRENT LIMIT
MINIMUM CURRENT LIMIT
RILIM = 10k
TEMPERATURE (°C)
–60
SHDN/UVLO VOLTAGE (V)
1.24
1.26
80
1.22
–20 20
–40 120
0 40
100
60 140
1.20
1.18
1.28
3573 G07
R
ILIM
RESISTANCE (k)
0
CURRENT LIMIT (A)
1.2
1.4
1.6
1.0
0.8
10 3020 40 50
0.2
0
0.6
1.8
0.4
3573 G06
TEMPERATURE (°C)
–60
SS PIN CURRENT (µA)
8
10
80
6
4
–20 20
–40 120
0 40
100
60 140
2
0
12
3573 G08