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부품번호 | Q0370RNA 기능 |
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기능 | FSQ0370RNA | ||
제조업체 | Fairchild | ||
로고 | |||
전체 17 페이지수
FSQ0170RNA, FSQ0270RNA, FSQ0370RNA
Green Mode Fairchild Power Switch (FPS™)
December 2006
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
www.DataSheet4U.comInternal 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, FSQ0270RNA, FSQ0370RNA
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,
FSQ0270RNA, FSQ0370RNA 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
FSQ0370RNA
Package
8DIP
8DIP
8DIP
Marking Code
Q0170R
Q0270R
Q0370R
BVDSS
700V
700V
700V
fOSC
100kHz
100kHz
100kHz
RDS(ON) (MAX.)
11Ω
7.2Ω
4.75Ω
FPSTM is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FSQ0170RNA, FSQ0270RNA, FSQ0370RNA Rev. 1.0.1
www.fairchildsemi.com
Absolute Maximum Ratings
The “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. The
device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables
are not guaranteed at the absolute maximum ratings. TA = 25°C, unless otherwise specified.
Symbol
Characteristic
Value
Unit
VDRAIN
VSTR
IDM
Drain Pin Voltage
Vstr Pin Voltage
Drain Current Pulsed(5)
FSQ0170RNA
FSQ0270RNA
FSQ0370RNA
700
700
4
8
12
V
V
A
A
A
www.DataSheet4U.com
EAS
Single Pulsed Avalanche Energy(6)
FSQ0170RNA
FSQ0270RNA
FSQ0370RNA
50
140
230
mJ
mJ
mJ
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
V
V
W
°C
°C
°C
Thermal Impedance
TA = 25°C, unless otherwise specified. All items are tested with the standards JESD 51-2 and 51-10 (DIP).
Symbol
θJA
θJC
ψJT
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:
5. Non-repetitive rating: Pulse width is limited by maximum junction temperature.
6. L = 51mH, starting TJ = 25°C.
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, FSQ0370RNA Rev. 1.0.1
4
www.fairchildsemi.com
4페이지 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
www.DataSheet4U.com 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, FSQ0370RNA Rev. 1.0.1
7
www.fairchildsemi.com
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부품번호 | 상세설명 및 기능 | 제조사 |
Q0370RNA | FSQ0370RNA | Fairchild |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |