FS6S0765RCHTU Fairchild Semiconductor, FS6S0765RCHTU Datasheet

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FS6S0765RCHTU

Manufacturer Part Number
FS6S0765RCHTU
Description
Fairchild Power Switch(FPS)
Manufacturer
Fairchild Semiconductor
Datasheet
1.FS6S0765RCHTU.pdf (12 pages)
Features
• Wide Operating Frequency Range up to 150KHz
• Internal Burst Mode Controller for Stand-by Mode
• Pulse by Pulse Over Current Limiting
• Over Current Protection(Auto Restart Mode)
• Over Voltage Protection (Auto Restart Mode)
• Over Load Protection(Auto Restart Mode)
• Internal Thermal Shutdown Function(Auto Restart Mode)
• Under Voltage Lockout
• Internal High Voltage SenseFET(CFET)
• Eternal Sync Terminal/Soft Start
Internal Block Diagram
©2002 Fairchild Semiconductor Corporation
FS6S0765RCH
Fairchild Power Switch(FPS)
F F F F e e e e e e e e d d d d b b b b a a a a c c c c k k k k
S S S S o o o o f f f f t t t t S S S S t t t t a a a a r r r r t t t t
& & & & S S S S y y y y n n n n c c c c
4 4 4 4
5 5 5 5
Vref
Vth=7.5V
Vth=30V
Vcc
Idelay
Vth=11V/12V
Vpp=5.8/7.2V
Vref
Vth=1V
Vfb
Vcc
Ifb
OLP
OVP
Vcc
UVLO Reset
(Vcc=9V)
2.5R
Burst mode
controller
R
OSC
S
R
Vref
Q
Vfb Offset
PWM
Description
The Fairchild Power Switch(FPS) product family is specially
designed for an off line SMPS with minimal external
components. The Fairchild Power Switch(FPS) consist of
high voltage power SenseFET and current mode PWM IC.
Included PWM controller features integrated fixed oscillator,
under voltage lock out, optimized gate turn on/turn off driver,
thermal shutdown protection, over voltage protection, and
temperature compensated precision current sources for loop
compensation and fault protection circuitry. Compared with
discrete MOSFET and controller or RCC switching converter
solution, the Fairchild Power Switch(FPS) can reduce total
component count, design size, and weight and at the same
time increase efficiency, productivity and system reliability.
It has a basic platform well suited for cost effective monitor
power supply.
Internal
4. Feedback
1. Drain 2. GND 3. V
Bias
S
R
1
Q
TO-220-5L
Vref
OCL
5. Soft Start & Sync.
UVLO
(130nsec)
Filter
CC
(Tj=160 )
TSD
Roff
www.fairchildsemi.com
V V V V c c c c c c c c
℃
3 3 3 3
Ron
Vth=1V
Rsenese
D D D D r r r r a a a a i i i i n n n n
1 1 1 1
2 2 2 2
G G G G N N N N D D D D
Rev.1.0.0

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FS6S0765RCHTU Summary of contents

Page 1

... Idelay OLP Vth=7.5V Vcc OVP Vth=30V ©2002 Fairchild Semiconductor Corporation Description The Fairchild Power Switch(FPS) product family is specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. ...

Page 2

FS6S0765RCH Absolute Maximum Ratings (Ta=25 C, unless otherwise specified) Parameter (1) Drain-Source(GND) Voltage Drain-Gate Voltage (R = Gate-Source (GND) Voltage (2) Drain Current Pulsed Single Pulsed Avalanche Energy Single Pulsed Avalanche Current Continuous Drain Current (Tc = 25°C) ...

Page 3

Electrical Characteristics (SenseFET part) (Ta=25 C unless otherwise specified) Parameter Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Static Drain-Source on Resistance Forward Transconductance Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn on Delay Time Rise Time Turn Off Delay ...

Page 4

FS6S0765RCH Electrical Characteristics (Ta=25 C unless otherwise specified) Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial Frequency Voltage Stability (2) Temperature Stability Maximum Duty Cycle Minimum Duty Cycle FEEDBACK SECTION Feedback Source Current Shutdown Feedback Voltage ...

Page 5

Electrical Characteristics (Ta=25 C unless otherwise specified) Parameter SYNC & SOFTSTART SECTION Softstart Voltage Softstart Current Sync High Threshold Voltage Sync Low Threshold Voltage BURST MODE SECTION Burst Mode Low Threshold Voltage Burst Mode High Threshold Voltage Burst Mode Enable ...

Page 6

FS6S0765RCH Typical Performance Characteristics Start Up Current vs. Temp [mA] 0.150 0.125 0.100 0.075 0.050 - Temp Figure 1. Start Up Current vs. Temp. Start Threshold Voltage vs. Temp 16.0 [V] 15.5 15.0 14.5 14.0 -25 ...

Page 7

Typical Performance Characteristics Feedback Offset Voltage vs. Temp [V] 0.45 0.40 0.35 0.30 0.25 0.20 - Temp Figure 7. Feedback Offset Voltage vs. Temp. ShutDown Delay Current vs. Temp [uA] 2.4 2.2 2.0 1.8 1.6 -25 ...

Page 8

FS6S0765RCH Typical Performance Characteristics Burst Mode Low Voltage vs. Temp [V] 11.2 11.1 11.0 10.9 10.8 - Temp Figure 13. Burst Mode Low Voltage vs. Temp. Burst Mode Freqency vs. Temp [KHz ...

Page 9

Package Dimensions TO-220-5L FS6S0765RCH 9 ...

Page 10

FS6S0765RCH Package Dimensions (Continued) 10 TO-220-5L(Forming) ...

Page 11

... Ordering Information Product Number Package FS6S0765RCHTU TO-220-5L FS6S0765RCHYDTU TO-220-5L(Forming Non Forming Type YDTU : Forming Type Marking Code BVdss 6S0765RC 650V H FS6S0765RCH Rds(on) 1.4 11 ...

Page 12

... FS6S0765RCH DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...

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