FAN7528N Fairchild Semiconductor, FAN7528N Datasheet - Page 15

• 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 Circuit
Features
Key Design Notes
1. Schematic
NTC
LF1
High efficiency (>90% at 90 Vac input)
Low THD (total harmonic distortion) (<10% at 264 Vac input)
Dual-output control
Diode D4 is used to prevent IC malfunction that can happen if the CS pin voltage is lower than -0.3V.
Important components for low THD are R2, R5, and C11.
F1
Application
Adapter
AC INPUT
BD
C3
C2
C1
V1
C4
Output power
C5
R3
100W
C6
ZD1
R2
C10
R8
C8
R4
Figure 39. Schematic
8
1
V
AUX
C7
D1
Input voltage
Universal input
7
2
FAN7528
(90~264 Vac)
R1
C11
15
R5
6
3
T1
5
4
D4
D3
R6
R9
R7
Q1
D2
Output voltage
389V/232V
R10
R11
FAN7528 Rev. 1.00
PFC OUTPUT
C9
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