FAN6520B Fairchild Semiconductor, FAN6520B Datasheet - Page 3
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FAN6520B
Manufacturer Part Number
FAN6520B
Description
Single Synchronous Buck PWM Controller
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN6520B.pdf
(14 pages)
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FAN6520B Rev. 1.0.3
Typical Application
COMP/SD
VCC
FB
+5V
0.8V
R
COMP/SD
PULLUP
VCC
C
VCC
ERROR
AMP
5
7
Figure 2. Functional Block Diagram
R
FAN6520B
F
Figure 1. Typical Application
C
I
POR / SOFT START
C
OSC
F
3
1
2
8
4
3
6
PWM
BOOT
HDRV
SW
LDRV
GND
FB
Q1
Q2
D
PWM
BOOT
C
BOOT
R
OFFSET
CONTROL
LOGIC
GATE
R
S
L
OUT
C
Vin = 1.5V to 5V
HF
+V
C
OUT
BULK
C
OUT
VCC
www.fairchildsemi.com
BOOT
HDRV
SW
LDRV
GND
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