FAN5094 Fairchild Semiconductor, FAN5094 Datasheet - Page 14

• Manufacturer Part Number: FAN5094
• Description: Multi-Phase Interleaved Buck Converter
• Manufacturer: Fairchild Semiconductor

FAN5094
Table 3. FAN5094 Application Bill of Materials for Figure 2
Notes:
1. Inductor L1 is recommended to isolate the 12V input supply from noise generated by the MOSFET switching. L1 may be
2. For a spreadsheet on MOSFET selections, refer to Applications Bulletin AB-8.
Test Parameters
14
Reference
C1, C3-5, C7
C2, C6
C
C
D1-3
L1
L2-5
Q1, Q3, Q5,
Q7
Q2, Q4, Q6,
Q8
R1
R2, R9
R3, R10
R4, R11
R5-8, R12-15
U1-U2
IN
OUT
omitted if desired.
Manufacturer Part #
Panasonic
ECU-V1H104ZFX
Any
Rubycon
16MBZ1500M
Rubycon
6.3MBZ2200M
Fairchild
MBR0520
Coiltronics
DR127-1R5
Coiltronics
DR127-R47
Fairchild
FDB6035AL
Fairchild
FDB6676S
Any
Any
Any
Any
Any
Fairchild
FAN5094M
10%
t DT
2V
Figure 3. Output Drive Timing Diagram
t R
Quantity
2V
Optional
90%
5
2
2
9
3
4
4
4
1
2
2
2
8
1
100nF, 50V Capacitor
1µF Ceramic Capacitor
1500µF, 16V Electrolytic
2200µF, 6.3V Electrolytic
0.5A, 20V Schottky Diode
1.5µH, 14A Inductor
470nH, 19A Inductor
N-Channel MOSFET
N-Channel MOSFET with
Schottky
10K
24.9K
2K
10
4.7
DC/DC Controller
Description
90%
2V
t F
t DT
2V
10%
LODRV
HIDRV
I
ESR
DCR ~ 3m
DCR ~ 2m
R
V
R
V
RMS
GS
GS
DS(ON)
DS(ON)
Requirements/Comments
= 4.5V
= 10V
= 5.4A @ 65 C
13m
= 17m @
= 6.5m @
PRODUCT SPECIFICATION
See Note 1.
REV. 1.0.2 5/13/02