FDMF3035
www.onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
(Test Conditions: V
IN
= 12 V, V
CC
= PV
CC
= 5 V, V
OUT
= 1 V, L
OUT
= 250 nH,
T
A
= 25°C and natural convection cooling, unless otherwise noted)
Figure 10. Power Loss vs. Driver Supply Voltage Figure 11. Power Loss vs. Output Voltage
Figure 12. Power Loss vs. Output Inductor
Figure 13. Driver Supply Current vs. Switching
Frequency
Normalized Module Power Loss
Driver Supply Voltage, PV
CC
& V
CC
[V] Module Output Voltage, V
OUT
[V]
Output Inductor, L
OUT
[nH]
Driver Supply Current, I
PVCC
+ I
VCC
, [A]
Module Switching Frequency, F
SW
[kHz]
Figure 14. Driver Supply Current vs. Driver
Supply Voltage
Figure 15. Driver Supply Current vs. Output
Current
0.90
0.95
1.00
1.05
1.10
1.15
4.0 4.5 5.0 5.5 6.0
V
IN
= 12 V, V
OUT
= 1 V, F
SW
= 500 kHz, V
OUT
= 30 A
Normalized Module Power Loss
Normalized Module Power LossDriver Supply Current,I
PVCC
+ I
VCC
, [A]
Normalized Driver Supply Current
Driver Supply Voltage, PV
CC
& V
CC
[V] Module Output Current, I
OUT
[A]
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.5 1.0 1.5 2.0 2.5 3.0 3.5
0.990
0.992
0.994
0.996
0.998
1.000
1.002
200 250 300 350 400 450 500
V
IN
= 12 V, PV
CC
& V
VCC
= 5 V, F
SW
= 500 kHz, V
OUT
= 1 V, I
OUT
= 30 A
0.01
0.015
0.02
0.025
0.03
0.035
0.04
200 300 400 500 600 700 800 900 1000 1100
V
IN
= 12 V, PV
CC
& V
CC
= 5 V, V
OUT
= 1 V, I
OUT
= 0 A
0.012
0.014
0.016
0.018
0.02
0.022
0.024
4.0 4.5 5.0 5.5 6.0
V
IN
= 12 V, V
OUT
= 1 V, F
SW
= 500 kHz, I
OUT
= 0 A
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
0 5 10 15 20 25 30 35 40 45 50 55
V
IN
= 12 V, PV
CC
& V
VCC
= 5 V, F
SW
= 500 kHz, V
OUT
= 30 A
V
IN
= 12 V, PV
CC
& V
VCC
= 5 V, I
OUT
= 1 V
F
SW
= 1000 kHz
F
SW
= 300 kHz