FAN6520B Fairchild Semiconductor, FAN6520B Datasheet - Page 12

• Manufacturer Part Number: FAN6520B
• Description: Single Synchronous Buck PWM Controller
• Manufacturer: Fairchild Semiconductor

FAN6520B Rev. 1.0.3
Typical Application Circuit
Typical Application Bill of Materials (1.2V, 10 Amps)
Contact factory for the latest bill of materials.
C1
C2, C3
C4
C5, C9
C6
C7
C8
D1
L1
Q1
Q2
R1
R2
R3
R4
R5
R6
U1
Ref Des
+
5V
Capacitor, 220pF, 10%, X7R, 0603
Capacitor, 22nF, 10%, X7R, 0603
Capacitor, 1µF, 10%, X7R, 0805
Capacitor, 3900pF, 10%, X7R, 0603
Capacitor, 0.1µF, 10%, X7R, 0603
Capacitor, 560µF, 4V, 7m , 8X11, 5.58A
Capacitor, 390µF, 6.3V, 8m , 8X11, 5.08A
Diode, 200mA, 100V
Inductor, 1.8µ, 16A, 3.2m
Mosfet, N, 30V, 50A, 11.3m , DPAK
Mosfet, N, 30V, 94A, 6.8m , DPAK
Resistor, 1.00K , 1%, 0603
Resistor, 3.74K , 1%, 0603
Resistor, 120 , 5%, 0603
Resistor, 2.00K , 1%, 0603
Resistor, 10K , 5%, 0603
Resistor, 1.5 , 5%, 0805
IC, Single Synchronous Buck PWM, SOIC 8
R5
R2
C2
COMP/SD
VCC
C4
C1
R4
Description
FB
5
7
6
Figure 11. 3.3V to 1.2V, 10A DC-DC Converter
FAN6520B
C3
R1
U1
R3
1
2
8
4
3
12
BOOT
HDRV
SW
LDRV
GND
Any
Any
Any
Any
Any
United Chemi-con
United Chemi-con
Fairchild
Inter-Technical
Fairchild
Fairchild
Any
Any
Any
Any
Any
Any
Fairchild
Manufacturer
Q2
Q1
D1
C6
–
–
–
–
–
PSA4VB560MH11
PSA6.3VB390MH11
MMSD4148
SC5018-1R8M
FDD6296
FDD8896
–
–
–
–
–
–
FAN6520B
R6
C9
L1
C5
Vin = 3.3V
P/N
Vout = 1.2V, 10A
C7
C8
www.fairchildsemi.com
Qty
1
2
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1