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参数资料
| 型号： | FSFR2100XS |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 11/14页 |
| 文件大小： | 0K |
| 描述： | IC FPS POWER SWITCH 9-SIP |
| 标准包装： | 19 |
| 输出隔离： | 隔离 |
| 频率范围： | 94kHz ~ 106kHz |
| 输入电压： | 9.6 V ~ 25 V |
| 输出电压： | 500V |
| 功率（瓦特）： | 400W |
| 工作温度： | -40°C ~ 130°C |
| 封装/外壳： | 9-SIP |
| 供应商设备封装： | 9-SIP |
| 包装： | 管件 |
5.3 Over-Voltage Protection (OVP) : When the LV CC
reaches 23 V, OVP is triggered. This protection is used
when auxiliary winding of the transformer to supply V CC
to the FPS? is utilized.
5.4 Thermal Shutdown (TSD) : The MOSFETs and
the control IC in one package makes it easier for the
control IC to detect the abnormal over-temperature of
the MOSFETs. If the temperature exceeds
approximately 130 ? C, thermal shutdown triggers.
6. Current Sensing Using a Resistor: FSFR-XS series
senses drain current as a negative voltage, as shown in
Figure 23 and Figure 24. Half-wave sensing allows low
power dissipation in the sensing resistor, while full-wave
sensing has less switching noise in the sensing signal.
Cr
7. PCB Layout Guidelines : Duty imbalance problems
may occur due to the radiated noise from the main
transformer, the inequality of the secondary side leakage
inductances of main transformer, and so on. This is one
of the reasons that the control components in the vicinity
of R T pin are enclosed by the primary current flow pattern
on PCB layout. The direction of the magnetic field on the
components caused by the primary current flow is
changed when the high- and low-side MOSFET turn on
by turns. The magnetic fields with opposite directions
induce a current through, into, or out of the R T pin, which
makes the turn-on duration of each MOSFET different. It
is strongly recommended to separate the control
components in the vicinity of R T pin from the primary
current flow pattern on PCB layout. Figure 25 shows an
example for the duty-balanced case.
Np
Ns
Ns
Control
IC
V CS
CS
R sense
SG
PG
Ids
I ds
V CS
Figure 25. Example for Duty Balancing
Figure 23. Half-Wave Sensing
I ds
V CS
Cr
Control
V CS
CS
IC
SG
PG
R sense
Np
Ns
Ns
Ids
Figure 24. Full-Wave Sensing
? 2010 Fairchild Semiconductor Corporation
FSFR-XS Series ? Rev.1.0.2
11
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FSFR2100XSL | 功能描述:开关变换器、稳压器与控制器 400W Power Sw for Half-Brdg Res Convtr RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| FSFR502Y | 制造商:Panduit Corp 功能描述:FIBER RISER CABLE, 50UM ZIPCRD 制造商:Panduit Corp 功能描述:FIBER RISER CABLE, 50UM ZIPCRD INTERCONN - Cable Rools/Shrink Tubing |
| FSFR601Y | 制造商:Panduit Corp 功能描述:FIBER RISER CABLE, 62.5UMSMPLX 制造商:Panduit Corp 功能描述:FIBER RISER CABLE, 62.5UMSMPLX INTERCONN - Cable Rools/Shrink Tubing |
| FSFR602Y | 制造商:Panduit Corp 功能描述:FIBER RISER CABLE, 62.5UMZIPCR 制造商:Panduit Corp 功能描述:FIBER RISER CABLE, 62.5UMZIPCRD INTERCON - Cable Rools/Shrink Tubing |
| FSFR901Y | 制造商:Panduit Corp 功能描述:FIBER RISER SIMPLEX 1.6MMSM INTERCONNECT - Cable Rools/Shrink Tubing |
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