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부품번호 | FAN6204 기능 |
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기능 | Synchronous Rectification Controller | ||
제조업체 | Fairchild Semiconductor | ||
로고 | |||
전체 14 페이지수
November 2010
FAN6204
Synchronous Rectification Controller for Flyback
and Forward Freewheeling Rectification
Features
SR Controller
Suited for Flyback Converter in QR, DCM, and
CCM Operation
Suited for Forward Freewheeling Rectification
Internal Green Mode for Lower No-Load Power
Consumption and Higher Light-Load Efficiency
PWM Frequency Tracking with Secondary-Side
Winding Voltage Detection
Ultra-Low VDD Operating Voltage for Various Output
Voltage Applications (5V~24V)
Ultra-Low Green Mode Operating Current:
1.1mA Typical
VDD Pin Over-Voltage Protection (OVP)
12V (Typical) Gate Driver Clamp
8-Pin SOP Package
Applications
AC/DC NB Adapters
Open-Frame SMPS
Battery Charger
Description
FAN6204 is a secondary-side synchronous rectification
(SR) controller to drive SR MOSFET for improving
efficiency. The IC is suitable for flyback converters and
forward free-wheeling rectification.
FAN6204 can be applied in continuous or discontinuous
conduction mode (CCM and DCM) and quasi-resonant
(QR) flyback converters based on the proprietary
innovative linear-predict timing-control technique. The
benefits of this technique include a simple control
method without current-sense circuitry to accomplish
noise immunity.
With PWM frequency tracking and secondary-side
winding voltage detection, FAN6204 can operate in both
fixed- and variable-frequency systems.
In Green Mode, the SR controller stops all SR switching
operation to reduce the operating current. Power
consumption is maintained at minimum level in light-
load condition.
Ordering Information
www.DataSheet4U.com
Part Number
FAN6204MY
Operating
Temperature Range
-40°C to +105°C
Package
8-Pin, Small Outline Package (SOP)
Packing Method
Tape & Reel
© 2010 Fairchild Semiconductor Corporation
FAN6204 • Rev. 1.0.0
www.fairchildsemi.com
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
Parameter
Min.
Max.
Unit
VDD
VL
PD
ΘJA
ΘJC
TSTG
TL
ESD
DC Supply Voltage
LPC, RES
Power Dissipation(TA=25°C)
Thermal Resistance (Junction-to-Air)
Thermal Resistance (Junction-to-Case)
Storage Temperature Range
Lead Temperature (Soldering 10 Seconds)
Human Body Model
Charged Device Model
30 V
-0.3 7
V
45 W
151 °C/W
58 °C/W
-55 +150 °C
+260
°C
5
KV
2
Notes:
1. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device.
2. All voltage values, except differential voltages, are given with respect to GND pin.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
Parameter
TA Operating Ambient Temperature
Min.
-40
Max.
+105
Unit
°C
www.DataSheet4U.com
© 2010 Fairchild Semiconductor Corporation
FAN6204 • Rev. 1.0.0
4
www.fairchildsemi.com
4페이지 Typical Performance Characteristics
These characteristic graphs are normalized at TA=25°C.
Figure 6. Turn-On Threshold Voltage
Figure 7. Turn-Off Threshold Voltage
Figure 8. Startup Current
Figure 9. Operating Current
www.DataSheet4U.com
Figure 10.Operating Current in Green Mode
Figure 11. Gate Output Clamping Voltage
© 2010 Fairchild Semiconductor Corporation
FAN6204 • Rev. 1.0.0
7
www.fairchildsemi.com
7페이지 | |||
구 성 | 총 14 페이지수 | ||
다운로드 | [ FAN6204.PDF 데이터시트 ] |
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부품번호 | 상세설명 및 기능 | 제조사 |
FAN6204 | Synchronous Rectification Controller | Fairchild Semiconductor |
FAN6206 | Highly Integrated Dual-Channel Synchronous Rectification Controller | Fairchild Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |