Datasheet

LT3478/LT3478-1
6
34781f
JUNCTION TEMPERATURE (°C)
–50
V
C
(V)
1.8
1.5
1.2
0.6
0.9
0
0.3
–25 0 25
3478 G17
50 75 100 125
V
C
CLAMP
V
C
ACTIVE THRESHOLD
JUNCTION TEMPERATURE (°C)
–50
V
OUT
CLAMP (V)
43.0
42.5
42.0
41.5
41.0
40.5
39.0
39.5
40.0
–25 0 25
3478 G15
50 75 100 125
OVPSET = 1V
JUNCTION TEMPERATURE (°C)
–50
SS PIN CURRENT (µA) (OUT OF PIN)
14
13
12
11
10
–25 0 25
3478 G16
50 75 100 125
JUNCTION TEMPERATURE (°C)
–50
SWITCHING FREQUENCY (MHz)
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.80
0.85
–25 0 25
3478 G14
50 75 100 125
R
T
= 31.6k
R
T
(kΩ)
1
100
SWITCHING FREQUENCY (kHz)
1000
10000
10 100 1000
3478 G13
T
A
= 25°C
Switching Frequency vs R
T
Switching Frequency vs
Temperature
Open-Circuit Output Clamp
Voltage vs Temperature
SS Pin Charge Current vs
Temperature
V
C
Pin Active and Clamp Voltages
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
UW