FAN5059MX Datasheet, PDF (10/18 Pages) Fairchild Semiconductor – High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms

FAN5059
PRODUCT SPECIFICATION
L1
(Optional)
+5V
C_IN*
R6
C1
R7
R5
C2
R2
Q1
R8
L2
VO
C_OUT*
Q2
D1
R3
C10 C11
3.3V IN
Q3
1.5V†
C8
Q4
2.5V†
C9
VID4
VID3
VID2
VID1
VID0
1
2
3
4
U1
5
FAN5059
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
TYPEDET
13
C12
R1
+12V
C5
C3
VCC
Q5
C4
3.3/1.5V
(AGP)†
C7
ENABLE/SS
R4
PWRGD
C6
*Refer to Table 4 for values of C_OUT and C_IN.
† Adjustable with an external divider.
Figure 2. Application Circuit for Coppermine/Camino Motherboards
(Typical Design)
10
REV. 1.0.4 8/14/03