FS6X1220RJX

FS6X1220RJX Datasheet


FS6X0420RJ/ FS6X0720RJ/ FS6X1220RJ Fairchild Power Switch FPS

Part Datasheet
FS6X1220RJX FS6X1220RJX FS6X1220RJX (pdf)
Related Parts Information
FS6X0420RJ FS6X0420RJ FS6X0420RJ
FS6X0720RJ FS6X0720RJ FS6X0720RJ
FS6X1220RJ FS6X1220RJ FS6X1220RJ
FS6X0420RJX FS6X0420RJX FS6X0420RJX
FS6X0720RJX FS6X0720RJX FS6X0720RJX
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FS6X0420RJ/ FS6X0720RJ/ FS6X1220RJ Fairchild Power Switch FPS

March 2006

FS6X0420RJ/ FS6X0720RJ/ FS6X1220RJ Fairchild Power Switch FPS
- Current Mode PWM Control with a Fixed Operating Frequency 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
- 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 Flyback Converters using Fairchild Power Switch
- AN4141 - Troubleshooting and Design Tips for Fairchild Power Switch Flyback Applications
- AN4148 - Audible Noise Reduction Techniques for FPS Applications

The FS6X-Series is specially designed for off-line DC-DC converters with minimal external components. This device combines 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 compensated precise current sources for a loop compensation. Compared with the discrete MOSFET and PWM controller solution, the FS6X-Series can reduce total cost, component count, size, and weight, while simultaneously increasing efficiency, productivity, and system reliability.

OUTPUT POWER TABLE 1

PRODUCT FS6X0420RJ FS6X0720RJ FS6X1220RJ
36VDC~72VDC 14W 26W 36W

Table Maximum Output Power Note:

Maximum practical continuous power in an open frame design at 50°C ambient.
Ordering Information

FS6X0420RJ FS6X0720RJ FS6X1220RJ FS6X0420RJX FS6X0720RJX FS6X1220RJX 2

Operating Temp.

Range

Pb-Free
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C
-25°C to +85°C

Note X Tape & Reel

FPSTM is a trademark of Fairchild Semiconductor Corporation

Package

D2-Pak-6L D2-Pak-6L D2-Pak-6L D2-Pak-6L D2-Pak-6L D2-Pak-6L
2006 Fairchild Semiconductor Corporation

Packing Method

Tube Tape & Reel Tape & Reel Tape & Reel

Marking Code
6X0420R 6X0720R 6X1220R 6X0420R 6X0720R 6X1220R

FS6X0420RJ/ FS6X0720RJ/ FS6X1220RJ Fairchild Power Switch FPS

Typical Application Diagram

DC IN

Drain

L/S Vfb Vcc GND

DC OUT

Internal Block Diagram

Figure Typical Flyback Application

Line Sense 6

VSL VCC Idelay FB 4

VSD VCC VOVP

TSD Line UVLO

Line UVLO

Vref IFB

VCC Good Enable Vref

SQ RQ

VCC 3
9V/15V Internal

Bias

Gate Driver

VCC Good
More datasheets: SA11NN | CY4601 | CTA12-1000TW | CTB12-1000TW | FIT0168 | FS6X0420RJ | FS6X0720RJ | FS6X1220RJ | FS6X0420RJX | FS6X0720RJX


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Datasheet ID: FS6X1220RJX 515470