FAN7529N Fairchild Semiconductor, FAN7529N Datasheet - Page 2

• Manufacturer Part Number: FAN7529N
• Description: IC PFC CTRLR CRM/TRANSITION 8DIP
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7529N

• Mode: Critical Conduction (CRM), Discontinuous (Transition)
• Current - Startup: 40µA
• Voltage - Supply: 12 V ~ 22 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FAN7529 Rev. 1.0.2
© 2006 Fairchild Semiconductor Corporation
Typical Application Diagrams
Internal Block Diagram
MOT
ZCD
CS
V
CC
8
4
3
5
2.9V
6.7V
Signal
Ramp
40k
Saw Tooth
Generator
8pF
1.4V
0.8V
GND
6
AC
IN
1.5V
12V
Current Protection
1V Offset
Comparator
8.5V
Zero Current
Figure 2. Functional Block Diagram of FAN7529
UVLO
Detector
Figure 1. Typical Boost PFC Application
Disable
V
CC
MOT
V
AUX
R2
R1
COMP
2
FAN7529
ZCD
R
N
ZCD
AUX
L
Internal
2.5V
Bias
Ref
COMP
GND
R
Timer
S
2
CS
Q
1V~5V
Range
Amplifier
INV
Error
D
V
ref1
Disable
Gm
FAN7529 Rev. 00
V
OVP
V
C
O
ref1
O
0.45V 0.35V
Output
2.675V
Drive
FAN7529 Rev. 00
V
CC
www.fairchildsemi.com
2.5V
7
1
OUT
INV