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FS6X0420R Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. FS6X0420R
Description  Fairchild Power Switch (FPS)
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FS6X0420R Datasheet(HTML) 1 Page - Fairchild Semiconductor

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©2006 Fairchild Semiconductor Corporation
1
www.fairchildsemi.com
March 2006
FS6X0420RJ/ FS6X0720RJ/ FS6X1220RJ Rev. 1.0.1
FPSTM is a trademark of Fairchild Semiconductor Corporation
FS6X0420RJ/ FS6X0720RJ/ FS6X1220RJ
Fairchild Power Switch (FPS™)
Features
Current Mode PWM Control with a Fixed Operating Fre-
quency (300kHz)
Pulse by Pulse Current Limit
Over Load Protection
Over Voltage Protection
Thermal Shutdown
Line Under Voltage Detection and Sleep on/off Function
Internal High Voltage SenseFET (200V)
Supports Forward or Flyback Topology
Applications
DC-DC Converter
PoE Device
Related Application Notes
AN4137 - Design Guidelines for Off-line Flyback Converters
Using Fairchild Power Switch (FPS)
AN4140 - Transformer Design Consideration for Off-line Fly-
back Converters using Fairchild Power Switch
AN4141 - Troubleshooting and Design Tips for Fairchild
Power Switch Flyback Applications
AN4148 - Audible Noise Reduction Techniques for FPS
Applications
Description
The FS6X-Series is specially designed for off-line DC-DC con-
verters with minimal external components. This device com-
bines a current mode PWM controller with a high voltage power
SenseFET in a single package. The PWM controller includes
integrated fixed frequency oscillator, line under voltage lockout,
sleep on/off function, thermal shutdown protection, over voltage
protection, pulse-by-pulse current limit, and temperature com-
pensated precise current sources for a loop compensation.
Compared with the discrete MOSFET and PWM controller solu-
tion, the FS6X-Series can reduce total cost, component count,
size, and weight, while simultaneously increasing efficiency,
productivity, and system reliability.
Table 1. Maximum Output Power
Note:
1. Maximum practical continuous power in an open
frame design at 50
°C ambient.
Ordering Information
Note:
2. X : Tape & Reel
OUTPUT POWER TABLE(1)
PRODUCT
36VDC~72VDC
FS6X0420RJ
14W
FS6X0720RJ
26W
FS6X1220RJ
36W
Part Number
Operating Temp.
Range
Pb-Free
Package
Packing Method
Marking
Code
FS6X0420RJ
-25
°C to +85°C
Yes
D2-Pak-6L
Tube
6X0420R
FS6X0720RJ
-25
°C to +85°C
Yes
D2-Pak-6L
Tube
6X0720R
FS6X1220RJ
-25
°C to +85°C
Yes
D2-Pak-6L
Tube
6X1220R
FS6X0420RJX
-25
°C to +85°C
Yes
D2-Pak-6L
Tape & Reel
6X0420R
FS6X0720RJX
-25
°C to +85°C
Yes
D2-Pak-6L
Tape & Reel
6X0720R
FS6X1220RJX(2)
-25
°C to +85°C
Yes
D2-Pak-6L
Tape & Reel
6X1220R


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