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Description
Green Mode Fairchild Power Switch FPS for Quasi-Resonant Converter - Low EMI and High Efficiency
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FSQ510 Power Switch Description
It is used for small power based applications. It is especially designed for quasi resonant off line switch mode power supply. It is different from fixed switching frequency conventional converter. It comes in DIP and DIPH packages. It contains schmitt trigger, Insulated gate bipolar junction transistor, SR flip flops and timer registers and leading edge blanking circuit.
FSQ510 Features
It has following features
● It uses diffused metal oxide semi conductor (DMOS) power switch
● It is optimized for qausi resonant converter
● It has pulse by pulse current limit.
● It has small frequency variation for wide range of loads
● It has advanced burst mode for low stand by power consumption
● It has following protection circuits
— Overload protection
— Abnormal over current protection
— Internal thermal shutdown
— Under voltage lockout
● It has built-in soft start system typically 5 milli seconds
● It has internal high voltage FET based sensor typically it senses 700 volts
Pin Description
Pin | Pin Name | Description |
1 | GND | This pin is dedicated to ground pin |
2 | GND | This pin is dedicated to ground pin |
3 | Vfb | This pin is dedicated to internal input (inverting) to Pulse Width Modulation converter |
4 | Sync | This pin is dedicated to sync detector comparator for quasi resonant switching operation as it has 0.7 volts as threshold for sync comparator |
5 | Vcc | This pin is dedicated to positive supply unit. It provides internal current to both start up and steady state operation |
6 | NC | This pin is dedicated to not connected |
7 | D | This pin is dedicated to high voltage power sensor Field Effect Transistor drain connection |
8 | Vstr | This pin is dedicated to voltage supply internal biasing and charging the external capacitor which is connected to the Vcc pin. |
FSQ510 Applications
It is used in following applications:
Mobile charger
It is used in mobile chargers. Mobile charges are used for charging mobiles.
Auxiliary Power Supply for PC
It is used in auxiliary power supplies for personal computers.
The alternatives of FSQ510 are: D2FCF7N and 42PFL3604
The equivalent of FSQ510 is 47PFL5704DF7 as it has same features as FSQ510 IC.
Conclusion: It is used as power switch for Quasi resonant flyback converters. It is combination of both MOSFET and PWM controller. It not only reduces cost but also there are less number of components and it increases the productivity and reliability of the system.
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11 buyer reviews from Singapore
George Chan
Length of registration:16 years
The goods have been received. The packaging is very good. By the way, there are not a few in the list. The logistics is also very fast
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09/02/2022
Vincent Loh
Length of registration:5 years
Good
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Reply0
03/18/2019
Steven Tan
Length of registration:6 years
Very satisfied with
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0
Reply0
11/28/2018
Doris Boo
Length of registration:14 years
Very well-packed
0
0
Reply0
01/05/2017
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FSQ510
FSQ510 has several brands around the world that may have alternate names for FSQ510 due to regional differences or acquisition. FSQ510 may also be known as the following names:
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Stock Status: 10000
Minimum: 2
Total Price:
Unit Price:1.72790
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