Datasheet

LT3758/LT3758A
6
3758afd
Switching Frequency
vs Temperature
SENSE Current Limit Threshold
vs Temperature
SENSE Current Limit Threshold
vs Duty Cycle
SHDN/UVLO Threshold
vs Temperature
SHDN/UVLO Current vs Voltage
SHDN/UVLO Hysteresis Current
vs Temperature
–75 –50 0 50 75–25 25 100 150125
TEMPERATURE (°C)
100
SENSE THRESHOLD (mV)
105
110
115
120
3758 G08
DUTY CYCLE (%)
0
95
SENSE THRESHOLD (mV)
105
20 40 8060
115
100
110
100
3758 G09
SHDN/UVLO VOLTAGE (V)
0
0
SHDN/UVLO CURRENT (µA)
20
20 6040 80
40
50
10
30
100
3758 G11
–75 –50 0 50 75–25 25 100 150125
TEMPERATURE (°C)
1.6
I
SHDN/ UVLO
(µA)
1.8
2.0
2.2
2.4
3758 G12
–75 –50 0 50 75–25 25 100 150125
TEMPERATURE (°C)
270
SWITCHING FREQUENCY (kHz)
280
290
300
310
330
3758 G07
320
R
T
= 41.2K
–75 –50 0 50 75–25 25 100 150125
TEMPERATURE (°C)
1.18
SHDN/UVLO VOLTAGE (V)
1.22
1.24
1.26
1.28
1.20
3758 G10
SHDN/UVLO FALLING
SHDN/UVLO RISING
typicAl perForMAnce chArActeristics
T
A
= 25°C, unless otherwise noted.