FSQ510_09 FAIRCHILD [Fairchild Semiconductor], FSQ510_09 Datasheet

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FSQ510_09

Manufacturer Part Number
FSQ510_09
Description
Green Mode Fairchild Power Switch
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
© 2009 Fairchild Semiconductor Corporation
FSQ510, FSQ510H, and FSQ510M • Rev. 1.3.0
FSQ510, FSQ510H, and FSQ510M
Green Mode Fairchild Power Switch (FPS™)
for Valley Switching Converter – Low EMI and High Efficiency
Features
Applications
Ordering Information
Notes:
1.
2.
3.
4.
FSQ510
FSQ510H
FSQ510M 7-MLSOP
Number
Uses an LDMOS Integrated Power Switch
Optimized for Valley Switching Converter (VSC)
Low EMI through Variable Frequency Control and
High Efficiency through Minimum Drain Voltage
Extended Valley Switching for Wide Load Ranges
Small Frequency Variation for Wide Load Ranges
Advanced Burst-Mode Operation for Low Standby
Pulse-by-Pulse Current Limit
Protection Functions: Overload Protection (OLP),
Under-Voltage Lockout (UVLO) with Hysteresis
Internal Startup Circuit
Internal High-Voltage SenseFET: 700V
Built-in Soft-Start: 5ms
Auxiliary Power Supplies for LCD TV, LCD Monitor,
Inherent Frequency Modulation
Switching
Power Consumption
Internal Thermal Shutdown (TSD) with Hysteresis
Personal Computer, and White Goods
Part
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
The junction temperature can limit the maximum output power.
230V
Typical continuous power with a Fairchild charger evaluation board described in this datasheet in a non-
ventilated, enclosed adapter housing, measured at 50°C ambient temperature.
Maximum practical continuous power for auxiliary power supplies in an open-frame design at 50°C ambient temperature.
AC
Package
7-DIP
8-DIP
or 100/115V
Status
RoHS -40 to +130°C 320mA
Eco
AC
with voltage doubler.
Temperature
Operating
Junction
Current
Limit
R
(MAX)
32Ω
DS(ON)
Description
A Valley Switching Converter (VSC) generally shows
lower EMI and higher power conversion efficiency than
a conventional hard-switched converter with a fixed
switching frequency. The FSQ510 (H or M) is an
integrated valley switching pulse width modulation (VS-
PWM) controller and SenseFET specifically designed
for offline switch-mode power supplies (SMPS) for
valley switching with minimal external components. The
VS-PWM controller includes an integrated oscillator,
under-voltage lockout (UVLO), leading-edge blanking
(LEB),
temperature-compensated precise current sources for
loop compensation, and self-protection circuitry.
Compared with discrete MOSFET and PWM controller
solutions, the FSQ510 (H or M) can reduce total cost,
component count, size and weight; while simultaneously
increasing efficiency, productivity, and system reliability.
This device provides a platform for cost-effective designs
of a valley switching flyback converters.
Adapter
230V
5.5W
AC
optimized
(3)
Output Power Table
± 15%
Frame
Open
9W
(2)
(4)
gate
Adapter
4W
85-265V
driver,
(3)
(1)
Frame
Open
AC
internal
6W
January 2009
(4)
www.fairchildsemi.com
FSD210DH
FSD210BM
Replaces
FSD210B
Devices
soft-start,

Related parts for FSQ510_09

FSQ510_09 Summary of contents

Page 1

FSQ510, FSQ510H, and FSQ510M Green Mode Fairchild Power Switch (FPS™) for Valley Switching Converter – Low EMI and High Efficiency Features Uses an LDMOS Integrated Power Switch Optimized for Valley Switching Converter (VSC) Low EMI through Variable Frequency Control and ...

Page 2

Application Circuit AC IN Internal Block Diagram V V REF REF I I delay ( 0.85V / 0.75V OLP TSD 4.7V © 2009 Fairchild Semiconductor Corporation FSQ510, FSQ510H, and FSQ510M • Rev. 1.3.0 V ...

Page 3

Pin Assignments Figure 3. Pin Definitions 7-Pin 8-Pin © 2009 Fairchild Semiconductor Corporation FSQ510, FSQ510H, and FSQ510M • Rev. 1.3.0 V str V fb Sync ...

Page 4

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 ...

Page 5

E lectrical Characteristics T T =25°C unless otherwise specified. J Symbol Parameter SenseFET Section BV Drain-Source Breakdown Voltage DSS I Zero-Gate-Voltage Drain Current DSS R Drain-Source On-State Resistance DS(ON) (9) C Input Capacitance ISS (9) C Output Capacitance OSS (9) ...

Page 6

Comparison between FSD210B and FSQ510 Function FSD210B Control Mode Voltage Mode Constant Frequency Operation Method PWM EMI Reduction Frequency Method Modulation Soft-Start 3ms (Built-in) Protection TSD Power Balance Long T Less than 5W Under Open-Frame Power Ratings Condition at the ...

Page 7

Typical Performance Characteristics Characteristic graphs are normalized at T 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 -40 - Temperature [℃] Figure 4. Operating Frequency (f 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 -40 -25 ...

Page 8

Typical Performance Characteristics 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 -40 - Temperature [℃] Figure 10. Feedback Source Current (I 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.85 0.80 -40 - Temperature [℃] Figure ...

Page 9

Functional Description 1. Startup: At startup, an internal high-voltage current source supplies the internal bias and charges the external capacitor (C ) connected to the V a illustrated in Figure 13. When V FPS begins switching and the internal high-voltage ...

Page 10

Protection Circuits: The FSQ510 ( has two self-protective functions, overload protection (OLP) and thermal shutdown (TSD). The implemented as auto-restart mode. Once the fault condition is detected, switching is terminated and the SenseFET remains off. This causes ...

Page 11

Vo set 0.85V 0.75V Switching disabled Figure 18. Burst-Mode Operation 7. Advanced Valley Switching minimize switching loss and Interference (EMI), the MOSFET turns on when the drain voltage reaches ...

Page 12

Package Dimensions Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or ...

Page 13

Package Dimensions (Continued) 9.83 9.00 5.08 MAX 0.33 MIN (0.56) 2.54 7.62 NOTES: UNLESS OTHERWISE SPECIFIED A) THIS PACKAGE CONFORMS TO JEDEC MS-001 VARIATION BA B) ALL DIMENSIONS ARE IN MILLIMETERS. C) DIMENSIONS ARE EXCLUSIVE OF BURRS, MOLD FLASH, AND ...

Page 14

Package Dimensions (Continued) MKT-MLSOP07ArevA Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to ...

Page 15

Fairchild Semiconductor Corporation FSQ510, FSQ510H, and FSQ510M • Rev. 1.3.0 15 www.fairchildsemi.com ...

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