FAN5240 Datasheet, PDF (2/19 Pages) Fairchild Semiconductor – Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM

FAN5240
Typical Application
VIN (BATTERY)
= 5 to 24V
+5
VCC ₂₈
C3 C4
+5
R1
PGOOD ₁₉
EN ₁₄
C5
FPWM ₁₂
VID0 ₁₁
VID1 ₁₀
VID2 ₉
VID3 ₈
VID4 ₇
C11 SS ₂₀
C10
DELAY ₁₆
R4 _{ILIM 13}
AGND
15
PRODUCT SPECIFICATION
VIN
21
Phase 1
Phase 2
25 ^BOOT1
Q1
24 ^HDRV1
23 ^SW1
Q2
C1
C2
D2
+5
C7
C8
Q3
LDRV1
27
R2
26 ^PGND1
22 ^ISNS1
18 ^{VCORE + R6}
C12 C13 C14
C15
17 ^{VCORE D}
3 ^BOOT2
VIN
C9
Q4
4 ^HDRV2
5 ^SW2
D1
+5
C6
V _CORE
C16
Q5
Q6
LDRV2
1
R3
2 ^PGND2
6 ^ISNS2
Figure 1. AMD Mobile Athlon/Duron CPU Core Supply
Table 1. BOM for Figure 1
Description
Capacitor 22µF, Ceramic X7R 25V
Capacitor 1µF, Ceramic
Capacitor 0.1µF, Ceramic
Capacitor 0.22µF, Ceramic
Capacitor 270µF, 2V, ESR 15mΩ
10KΩ, 5% Resistor
1KΩ, 1% Resistor
56.2KΩ, 1% Resistor
Schottky Diode 40V
Inductor 1.6µH, 20A, 2.4mΩ
N-Channel SO-8 MOSFET, 11mΩ
N-Channel SO-8 SyncFET™ MOSFET, 6mΩ
Qty
Ref.
2 C1, C2
3 C3,C7,C9
6 C4–C6, C8, C11, C12
1 C10
4 C13–C16
2 R1
1 R2, R3, R6
2 R4
2 D1, D2
1 L1, L2
1 Q1, Q4
1 Q2, Q3, Q5, Q6
Vendor
TDK
Any
Any
Any
Panasonic
Any
Any
Any
Fairchild
Panasonic
Fairchild
Fairchild
Part Number
EEFUE0D271R
MBR0540
ETQP6F0R8LFA
FDS6694
FDS6676S
2
REV. 1.1.7 8/29/02