FAN5066 Datasheet, PDF (8/18 Pages) Fairchild Semiconductor – Ultra Low Voltage Synchronous DC-DC Controller

FAN5066
PRODUCT SPECIFICATION
Table 2. FAN5066 Application Bill of Materials for 900mV @ 3A
Reference
Manufacturer Part #
Quantity Description
Requirements/Comments
C1–3, C6–C9 Panasonic
ECU-V1H104ZFX
7
100nF, 50V Capacitor
C4–5
Panasonic
ECU-V1C105ZFX
2
1µF, 16V Capacitor
Cext
Panasonic
ECU-V1H101JCG
1
100pF Capacitor
5%, C0G
CIN
AVX
1
330µF, 10V Tantalum
Irms = 1.3A
TPSE337*010R0100
COUT
AVX
TPSE477*006R0100
1
470µF, 6.3V Tantalum ESR = 100mΩ
D1
Motorola
1N4735A
1
6.2V Zener Diode
L1
Coiltronics
MP2-2R2
1
2.2µH, 1.4A Inductor
DCR ~ 130mΩ
See Note 1.
L2
Coiltronics
UP2B-4R7
1
4.7µH, 5A inductor
DCR ~ 17mΩ
Q1
Fairchild
FDS6984S
1
N-Channel MOSFET with
Integrated Schottky
R1
Any
R2-3
Any
1
47Ω
2
4.7Ω
R4
Any
R5
Any
R6
Any
1
10KΩ
1
2.0KΩ
1
324Ω
R7
RSENSE
U1
Any
Any
Fairchild
FAN5066M
1
909Ω
1
25mΩ
1
DC/DC Controller
U2
Fairchild
FAN4041
1
Shunt Regulator
Notes:
1. Inductor L1 is recommended to isolate the 5V input supply from noise generated by the MOSFET switching. L1 may be
omitted if desired.
8
REV. 2.1.4 11/13/01