FSQ510MX Datasheet PDF - Fairchild Semiconductor
| Part Number | FSQ510MX | |
| Description | Green Mode Power Switch | |
| Manufacturers | Fairchild Semiconductor | |
| Logo |  |
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January 2014
FSQ510 / FSQ510MX
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
Inherent Frequency Modulation
High Efficiency through Minimum Drain Voltage
Switching
Extended Valley Switching for Wide Load Ranges
Small Frequency Variation for Wide Load Ranges
Advanced Burst-Mode Operation for Low Standby
Power Consumption
Pulse-by-Pulse Current Limit
Protection Functions: Overload Protection (OLP),
Internal Thermal Shutdown (TSD) with Hysteresis
Under-Voltage Lockout (UVLO) with Hysteresis
Internal Startup Circuit
Internal High-Voltage SenseFET: 700 V
Built-in Soft-Start: 5 ms
Applications
Auxiliary P ower S upplies for LCD TV, LCD Monitor,
Personal Computer, and White Goods
Description
A Valley Switching Converter ( VSC) generally s hows
lower EMI and higher power conversion efficiency than
a conventional hard-switched converter with a fixed
switching frequency. The FSQ510 is an i ntegrated
Valley Switching Pulse Width Modulation (VS-PWM)
controller and SenseFET specifically designed for
offline Switch-Mode Power Supplies (SMPS) for valley
switching with m inimal ex ternal c omponents. T he VS-
PWM controller includes an integrated oscillator, under-
voltage lockout (UVLO), leading-edge blanking (LEB),
optimized gate dr iver, i nternal s oft-start, t emperature-
compensated precise c urrent s ources f or l oop
compensation, and self-protection circuitry.
Compared w ith di screte M OSFET and P WM c ontroller
solutions, th e FS Q510 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.
Ordering Information
Part
Number
Package
Output Power Table(1)
Operating
Junction
Temperature
Current
Limit
RDS(ON) 230 VAC ± 15%(2)
(Max.)
Adapter(3)
Open
Frame(4)
85-265 VAC
Adapter(3)
Open
Frame(4)
FSQ510 7-DIP
-40 to +130°C 320 mA 32 Ω 5.5 W
9W
4W
6W
FSQ510MX 7-MLSOP
Packing
Method
Rail
Tape &
Reel
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
Notes:
1. The junction temperature can limit the maximum output power.
2. 230 VAC or 100/115 VAC with voltage doubler.
3. 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.
4. Maximum practical continuous power for auxiliary power supplies in an open-frame design at50°C ambient temperature.
© 2009 Fairchild Semiconductor Corporation
FSQ510 / FSQ510MX • Rev. 1.4.0
www.fairchildsemi.com
http://www.Datasheet4U.com
|
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Electrical Characteristics
TJ=25°C unless otherwise specified.
Symbol
Parameter
Conditions
Min.
SenseFET Section
BVDSS
IDSS
Drain-Source Breakdown Voltage
Zero-Gate-Voltage Drain Current
VCC=0 V, ID=100 µA
VDS=700 V
RDS(ON) Drain-Source On-State Resistance
CISS
COSS
tr
tf
Input Capacitance(9)
Output Capacitance(9)
Rise Time(9)
Fall Time(9)
Control Section
TJ=25°C, ID=180 mA
TJ=100°C, ID=180 mA
VGS=11 V
VDS=40 V
VDS=350 V, ID=25 mA
VDS=350 V, lD=25 mA
fS Initial Switching Frequency
∆fS Switching Frequency Variation(9)
IFB Feedback Source Current
tB Switching Blanking Time
tW Valley Detection Window Time(9)
DMAX Maximum Duty Ratio
DMIN
Minimum Duty Ratio
VSTART
VSTOP
UVLO Threshold Voltage
tS/S Internal Soft-Start Time
Burst-Mode Section
VBURH
VBURL Burst-Mode Voltage
HYS
VCC=11 V, VFB=5 V, Vsync=0 V
-25°C < TJ < 125°C
VCC=11 V, VFB=0 V
VCC=11 V, VFB=1 V,
Vsync Frequency Sweep
VCC=11 V, VFB=3 V
VCC=11 V, VFB=0 V
VFB=0 V, VCC Sweep
After Turn-on, VFB=0 V
VSTR=40 V, VCC Sweep
VCC=11 V, VFB Sweep
Protection Section
ILIM Peak Current Limit
VSD Shutdown Feedback Voltage
di/dt=90 mA/µs
VDS=40 V, VCC=11 V,
VFB Sweep
IDELAY Shutdown Delay Current
VCC=11 V, VFB=5 V
tLEB
TSD
HYS
Leading-Edge Blanking Time(9)
Thermal Shutdown Temperature(9)
Synchronous Section
VSH Synchronous Threshold Voltage
VSL
tSync Synchronous Delay Time
Total Device Section
VCC=11 V, VFB=1 V
VCC=11 V, VFB=1 V
IOP
Operating Supply Current
(Control Part Only)
VCC=11 V, VFB=5.5 V
ICH Startup Charging Current
VCC=VFB=0 V,VSTR=40 V
VSTR
Supply Voltage
VCC=VFB=0 V, VSTR Sweep
Note:
9. These parameters, although guaranteed, are not 100% tested in production.
700
87.7
200
7.2
54
8.0
6.0
3
0.75
0.65
280
4.2
3.5
130
0.55
0.05
180
Typ.
28
42
96
28
100
50
94.3
±5
225
7.6
3.0
60
8.7
6.7
5
0.85
0.75
100
320
4.7
4.5
360
140
60
0.70
0.10
200
0.8
1.0
27
Max.
150
32
48
100.0
±8
250
8.2
66
0
9.4
7.4
7
0.95
0.85
360
5.2
5.5
150
0.85
0.15
220
1.0
1.2
Unit
V
µA
Ω
Ω
pF
pF
ns
ns
kHz
%
µA
µs
µs
%
%
V
V
ms
V
V
mV
mA
V
µA
ns
°C
°C
V
V
ns
mA
mA
V
© 2009 Fairchild Semiconductor Corporation
FSQ510 / FSQ510MX • Rev. 1.4.0
5
www.fairchildsemi.com
Preview 5 Page |
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| Information | Total 14 Pages | |
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| Download | [ FSQ510MX.PDF Datasheet ] | |
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