LT3758EDD View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3758EDD Datasheet PDF : 36 Pages
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LT3758/LT3758A
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
Positive Feedback Voltage
vs Temperature, VIN
1605
1600
VIN = 100V
VIN = 24V
1595
1590
1585
VIN = 8V
VIN = INTVCC = 5.5V
SHDN/UVLO = 1.33V
1580
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G01
Negative Feedback Voltage
vs Temperature, VIN
–790
–792
VIN = INTVCC = 5.5V
SHDN/UVLO = 1.33V
–794
–796
VIN = 8V
–798
–800
–802
VIN = 24V
VIN = 100V
–804
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G02
Quiescent Current
vs Temperature, VIN
1.9
1.8
VIN = 100V
1.7
VIN = 24V
1.6
VIN = INTVCC = 5.5V
1.5
–75 –50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
3758 G03
RT vs Switching Frequency
1000
100
10
0 100 200 300 400 500 600 700 800 900 1000
SWITCHING FREQUENCY (kHz)
3758 G05
Dynamic Quiescent Current
vs Switching Frequency
35
CGATE = 3300pF
30
25
20
15
10
5
0
0 100 200 300 400 500 600 700 800 900 1000
SWITCHING FREQUENCY (kHz)
3758 G04
Normalized Switching
Frequency vs FBX
120
100
80
60
40
20
0
–0.8 –0.4
0 0.4 0.8
FBX VOLTAGE (V)
1.2 1.6
3758 G06
3758afd
5
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