FDMF6823C View Datasheet(PDF) - ON Semiconductor
Part Name
Description
MFG CO.
'FDMF6823C' PDF : 21 Pages View PDF
Typical Performance Characteristics
Test Conditions: VIN=12 V, VOUT=1 V, VCIN=5 V, VDRV=5 V, LOUT=250 nH, TA=25°C, and natural convection cooling,
unless otherwise specified.
1.01
VIN = 12V, VDRV & VCIN = 5V, FSW = 300kHz, VOUT = 1V, IOUT = 30A
1.00
45
VIN = 12V, VDRV & VCIN = 5V, VOUT = 1V, IOUT = 0A
40
35
0.99
30
25
0.98
20
15
0.97
10
0.96
200
250
300
350
400
450
500
Output Inductor, LOUT (nH)
5
100 200 300 400 500 600 700 800 900 1000 1100
Module Switching Frequency, FSW (kHz)
Figure 12. Power Loss vs. Output Inductor
Figure 13. Driver Supply Current vs. Switching
Frequency
17
VIN = 12V, VOUT = 1V, FSW = 300kHz, IOUT = 0A
16
1.04
1.03
VIN = 12V, VDRV & VCIN = 5V, VOUT = 1V
15
1.02
14
FSW = 300kHz
1.01
13
1.00
12
FSW = 1000kHz
11
0.99
10
4.0
4.5
5.0
5.5
Driver Supply Voltage, VDRV & VCIN (V)
0.98
6.0
0
5 10 15 20 25 30 35 40 45
Module Output Current, IOUT (A)
Figure 14. Driver Supply Current vs. Driver Supply Figure 15. Driver Supply Current vs. Output Current
Voltage
3.2
4.5
UVLOUP
TA = 25°C
4.0
VIH_PWM
3.1
3.5
VTRI_HI
3.0
3.0
VHIZ_PWM
2.9
2.5
2.8
2.7
UVLODN
2.6
-55
0
25
55
100 125 150
Driver IC Junction Temperature, TJ (oC)
2.0
1.5
1.0
0.5
4.50
VTRI_LO
VIL_PWM
4.75
5.00
5.25
Driver IC Supply Voltage, VCIN (V)
5.50
Figure 16. UVLO Threshold vs. Temperature Figure 17. PWM Threshold vs. Driver Supply Voltage
© 2011 Fairchild Semiconductor Corporation
FDMF6823C • Rev. 1.0.3
www.fairchildsemi.com
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