LT8330
4
8330fa
For more information
www.linear.com/LT8330
Typical perForMance characTerisTics
Switching Frequency
vs Temperature
Switching Frequency vs V
IN
Normalized Switching Frequency
vs FBX Voltage
Switch Current Limit vs Duty
Cycle
Switch Minimum On-Time
vs Temperature
Switch Minimum Off-Time
vs Temperature
FBX Positive Regulation Voltage
vs Temperature
FBX Negative Regulation Voltage
vs Temperature
EN/UVLO Pin Thresholds
vs Temperature
V
IN
= 12V
JUNCTION TEMPERATURE (°C)
–50 –25 0
25 50 75 100 125 150 175
1.570
1.580
1.590
1.600
1.610
1.620
1.630
FBX VOL
TAGE (V)
8330 G01
V
IN
= 12V
JUNCTION TEMPERATURE (°C)
–50 –25 0
25 50 75 100 125 150 175
–0.815
–0.810
–0.805
–0.800
–0.795
–0.790
–0.785
FBX VOL
TAGE (V)
8330 G02
V
IN
= 24V
JUNCTION TEMPERATURE (°C)
–50 –25 0
25 50 75 100 125 150 175
1.90
1.92
1.94
1.96
1.98
2.00
2.02
2.04
2.06
2.08
2.10
SWITCHING FREQUENCY (MHz)
8330 G04
V
IN
(V)
0
5
10 15 20 25 30 35 40 45
1.85
1.90
1.95
2.00
2.05
2.10
2.15
SWITCHING FREQUENCY (MHz)
8330 G05
V
IN
= 24V
FBX VOLTAGE (V)
–0.8
–0.4
0.0
0.4
0.8
1.2
1.6
0
25
50
75
100
125
NORMALIZED SWITCHING FREQUENCY (%)
8330 G06
V
IN
= 12V
DUTY CYCLE (%)
0
20
40
60
80
100
1.00
1.10
1.20
1.30
1.40
SWITCH CURRENT LIMIT (A)
8330 G07
V
IN
= 24V
JUNCTION TEMPERATURE (°C)
–50 –25 0
25 50 75 100 125 150 175
30
40
50
60
70
80
90
100
MINIMUM ON–TIME (ns)
8330 G08
V
IN
= 24V
JUNCTION TEMPERATURE (°C)
–50 –25 0
25 50 75 100 125 150 175
30
35
40
45
50
55
60
MINIMUM OFF–TIME (ns)
8330 G09
V
IN
= 12V
EN/UVLO RISING (TURN-ON)
EN/UVLO FALLING (TURN-OFF)
JUNCTION TEMPERATURE (°C)
–50 –25 0
25 50 75 100 125 150 175
1.54
1.56
1.58
1.60
1.62
1.64
1.66
1.68
1.70
1.72
1.74
EN/UVLO PIN VOL
TAGE (V)
8330 G03
