FAN102 データシートの表示（PDF） - Fairchild Semiconductor

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FAN102

Primary-Side-Control PWM Controller

Fairchild Semiconductor 

Typical Application Circuit (Primary-Side Regulated Flyback Charger)

Application

Fairchild Devices

Input Voltage Range

Output

Cell Phone Charger

FAN102

90~265VAC

5V/0.78A (3.9W)

Features

ƒ High efficiency (>68% at full load) meeting Energy StarSM V2.0 and CEC regulation with enough margin

ƒ Low standby power consumption (Pin=0.087W for 115VAC and Pin=0.123W for 230V)

ƒ Tight output regulation (CV:±5%, CC:±7%)

74

6

72

115V60Hz (70.7% avg)

5

70

4

230V50Hz (68.3% avg)

68

66.3% : Energy Star V2.0 (Nov. 2008)

3

66

2

64

AC90V

AC230V

AC120V

AC264V

62

1

62.2% : CEC (2008)

25

50

75

100

0

0 100 200 300 400 500 600 700 800 900

Load (%)

Output Current (mA)

Figure 31. Measured Efficiency and Output Regulation

1nF 30Ω

CSN 2 RSN 2

1mH

1N4007

1N4007

1N4007 1N4007

AC Line

RCOMR CCOMR

82kΩ

1µF

68nF CCOMI

200kΩRCOMI

CDL2 1kΩ

4.7µF CDL1

VDL

+

RSN1 CSN1

100kΩ 1nF

N1

4.7µF

- RSTART

2MΩ

RDAMP

270Ω

DS N

DDD 1N4007

FAN102

1

CS

GATE 8

2

7

C OMR VDD

3

6

C OMI S GND

4

C OMV

5

VS

1N4007

CDD

N2

10µF

RGATE

QMOSFE T

FQU1N60C

100Ω

RS1

115kΩ

RCS

1.6Ω

RS2

24.9kΩ

10nF

CCOMV

RCOMV

43kΩ

CS 47pF

DR

N3 SB260

CO

470µF

LP 15µH

IO

VO

CP

220µF

RPL

1kΩ

Figure 32. Schematic of Typical Application Circuit

© 2008 Fairchild Semiconductor Corporation

FAN102 Rev. 1.0.3

13

www.fairchildsemi.com

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