FAN5066 Datasheet, PDF (9/18 Pages) Fairchild Semiconductor – Ultra Low Voltage Synchronous DC-DC Controller

PRODUCT SPECIFICATION
FAN5066
Application Circuit
+12V
+5V
C1
0.1µF
L1
1.5 µH
C11
680µF
VDDQ
R5
499
R6
499
C2 0.1µF
R1
47Ω
11
10
12
9
13
8
14
7
15 ^U1 6
16 ^FAN5066 5
17
4
18
3
19
2
20
1
C10
C9 100pF
0.1µF
ENABLE
C7
0.1µF
D1
1N4735A
C5
1µF
C4
1µF
C6
0.1µF
R2
4.7Ω
R3
4.7Ω
Q1
L2
1.5µH
Q2
VO
COUT*
R4 10KΩ
C8 0.1µF
VCC
PWRGD
*Refer to Table 3 for value
of C_OUT.
Figure 2. 12A Application Circuit for DDR VTT
REV. 2.1.4 11/13/01
9