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Q0170RA 데이터시트 PDF




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Q0170RA 데이터시트, 핀배열, 회로
FSQ0170RNA, FSQ0270RNA
Green Mode Fairchild Power Switch (FPS™)
October 2011
Features
Internal Avalanche Rugged 700V SenseFET
Consumes only 0.8W at 230 VAC & 0.5W Load with
Burst-Mode Operation
Precision Fixed Operating Frequency, 100kHz
Internal Start-up Circuit and Built-in Soft-Start
Pulse-by-Pulse Current Limiting and Auto-Restart
Mode
Over-Voltage Protection (OVP), Overload Protection
(OLP), Internal Thermal Shutdown Function (TSD)
Under-Voltage Lockout (UVLO)
Low Operating Current (3mA)
Adjustable Peak Current Limit
Applications
Auxiliary Power Supply for PC and Server
SMPS for VCR, SVR, STB, DVD & DVCD Player,
Printer, Facsimile & Scanner
Adapter for Camcorder
Description
The FSQ0170RNA, and FSQ0270RNA, consists of an
integrated current mode Pulse Width Modulator (PWM)
and an avalanche-rugged 700V Sense FET. It is
specifically designed for high-performance off-line
Switch Mode Power Supplies (SMPS) with minimal
external components. The integrated PWM controller
features include: a fixed-frequency generating oscillator,
Under-Voltage Lockout (UVLO) protection, Leading
Edge Blanking (LEB), an optimized gate turn-on/ turn-off
driver, Thermal Shutdown (TSD) protection, and
temperature compensated precision current sources for
loop compensation and fault protection circuitry.
Compared to a discrete MOSFET and controller or RCC
switching converter solution, the FSQ0170RNA, and
FSQ0270RNA reduces total component count, design
size, and weight while increasing efficiency, productivity,
and system reliability. These devices provide a basic
platform that is well suited for the design of cost-effective
flyback converters, as in PC auxiliary power supplies.
Related Application Notes
AN-4134: Design Guidelines for Off-line Forward
Converters Using Fairchild Power Switch (FPS™)
AN-4137: Design Guidelines for Off-line Flyback
Converters Using Fairchild Power Switch (FPS™)
AN-4141: Troubleshooting and Design Tips for
Fairchild Power Switch (FPS™) Flyback Applications
AN-4147: Design Guidelines for RCD Snubber of
Flyback
AN-4148: Audible Noise Reduction Techniques for
FPS™ Applications
8-DIP
Ordering Information
Product Number
FSQ0170RNA
FSQ0270RNA
Package
8DIP
8DIP
Marking Code
Q0170RA
Q0270RA
BVDSS
700V
700V
fOSC
100kHz
100kHz
RDS(ON) (MAX.)
11
7.2
FPSTM is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FSQ0170RNA, FSQ0270RNA Rev. 1.0.5
www.fairchildsemi.com




Q0170RA pdf, 반도체, 판매, 대치품
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 to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only
Symbol
Characteristic
Value
VDRAIN
VSTR
IDM
Drain Pin Voltage
Vstr Pin Voltage
Drain Current Pulsed(5)
FSQ0170RNA
FSQ0270RNA
700
700
4
8
EAS
Single Pulsed Avalanche Energy(6)
FSQ0170RNA
FSQ0270RNA
50
140
VCC
VFB
PD
TJ
TA
TSTG
Supply Voltage
Feedback Voltage Range
Total Power Dissipation
Operating Junction Temperature
Operating Ambient Temperature
Storage Temperature
20
-0.3 to VCC
1.5
Internally limited
-25 to +85
-55 to +150
Notes:
5. Non-repetitive rating: Pulse width is limited by maximum junction temperature.
6. L = 51mH, starting TJ = 25C.
Unit
V
V
A
mJ
V
V
W
C
C
C
Thermal Impedance
TA = 25C, unless otherwise specified. All items are tested with the standards JESD 51-2 and 51-10 (DIP).
Symbol
JA
JC
JT
Parameter
Junction-to-Ambient Thermal Resistance(7)
Junction-to-Case Thermal Resistance(8)
Junction-to-Top Thermal Resistance(9)
Value
80
20
35
Unit
C/W
C/W
C/W
Notes:
7. Free standing with no heatsink; without copper clad.
(Measurement Condition - Just before junction temperature TJ enters into OTP.)
8. Measured on the DRAIN pin close to plastic interface.
9. Measured on the PKG top surface.
© 2006 Fairchild Semiconductor Corporation
FSQ0170RNA, FSQ0270RNA Rev. 1.0.5
4
www.fairchildsemi.com

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Q0170RA 전자부품, 판매, 대치품
Typical Performance Characteristics (Control Part)
These characteristic graphs are normalized at TA= 25°C.
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25 0 25 50 75 100 125 150
Temperature [°C]
Figure 4. Operating Frequency (fOSC) vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125 150
Temperature [°C]
Figure 5. Over-Voltage Protection (VOVP) vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25 0 25 50 75 100 125 150
Temperature [°C]
Figure 6. Maximum Duty Cycle (DMAX) vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125 150
Temperature [°C]
Figure 7. Operating Supply Current (IOP) vs. TA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25 0 25 50 75 100 125 150
Temperature [°C]
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
0
25 50 75 100 125 150
Temperature [°C]
Figure 8. Start Threshold Voltage (VSTART) vs. TA
Figure 9. Stop Threshold Voltage (VSTOP) vs. TA
© 2006 Fairchild Semiconductor Corporation
FSQ0170RNA, FSQ0270RNA Rev. 1.0.5
7
www.fairchildsemi.com

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Q0170RA

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