FDMF6824C データシートの表示（PDF） - Fairchild Semiconductor
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FDMF6824C Datasheet PDF : 19 Pages
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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
17
VIN = 12V, VOUT = 1V, FSW = 300kHz, IOUT = 0A
16
15
14
13
12
11
Figure 13. Driver Supply Current vs. Switching
Frequency
1.04
1.03
VIN = 12V, VDRV & VCIN = 5V, VOUT = 1V
1.02
1.01
FSW = 300kHz
1.00
0.99
FSW = 1000kHz
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
© 2013 Fairchild Semiconductor Corporation
FDMF6824C • Rev. 1.0.1
www.fairchildsemi.com
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