FAN7528N Fairchild Semiconductor, FAN7528N Datasheet - Page 2

• Manufacturer Part Number: FAN7528N
• Description: IC PFC CTRLR CRM/TRANSITION 8DIP
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7528N

• Mode: Critical Conduction (CRM), Discontinuous (Transition)
• Current - Startup: 40µA
• Voltage - Supply: 12 V ~ 23 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

FAN7528 Rev. 1.0.6
© 2005 Fairchild Semiconductor Corporation
Typical Application Diagrams
Internal Block Diagram
MOT
ZCD
V
CS
CC
8
4
3
5
6.7V
40k
Signal
Ramp
Generator
Sawtooth
8pF
1.4V
0.8V
GND
6
AC IN
1.5V
12V
Comparator
1V Offset
8.5V
Zero Current
OCP
Figure 2. Functional Block Diagram of FAN7528
Detector
UVLO
Figure 1. Typical Boost PFC Application
Disable
V
CC
MOT
V
R2
R1
AUX
COMP
FAN7528
COMP
ZCD
2
R
N
ZCD
2
AUX
L
Amplifier
1V ~ 5V
Range
Error
Internal
GND
Bias
2.5V
Ref
CS
160μs
Timer
R
S
Gm
INV
Q
D
FAN7528 Rev. 1.01
V
Dual-Output Reference
V
ref
Disable
V
CC
CC
=4.5V Reference Reset
=8.5V Reference Set
Generator
1.5V/2.5V
V
C
O
O
OVP
FAN7528 Rev. 1.00
0.45V 0.35V
2.66V
Output
Drive
Vcc
13V
2.55V
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7
1
OUT
INV