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參數(shù)資料
| 型號： | FAN6921MRMY |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 1210K |
| 描述： | IC CTLR PFC/FLYBACK 16-SOICN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 模式： | 臨界傳導(dǎo)（CRM） |
| 電流 - 啟動： | 10µA |
| 電源電壓： | 8.5 V ~ 25 V |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC N |
| 包裝： | 帶卷 (TR) |
February 2013
?2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN6921MR Rev. 1.0.4
FAN6921MR
Integrated Critical Mode PFC and Quasi-Resonant
Current Mode PWM Controller
Features
? Integrated PFC and Flyback Controller
? Critical Mode PFC Controller
? Zero-Current Detection for PFC Stage
? Quasi-Resonant Operation for PWM Stage
? Internal Minimum t
OFF
8 祍 for QR PWM Stage
? Internal 10 ms Soft-Start for PWM
? Brownout Protection
? High / Low Line Over-Power Compensation
? Auto-Recovery Over-Current Protection
? Auto-Recovery Open-Loop Protection
? Externally Latch Triggering (RT Pin)
? Adjustable Over-Temperature Latched (RT Pin)
? VDD Pin and Output Voltage OVP (Latched)
? Internal Over-Temperature Shutdown (140?/SPAN>C)
Applications
? AC/DC NB Adapters
? Open-Frame SMPS
? Battery Charger
Description
The highly integrated FAN6921MR combines Power
Factor Correction (PFC) controller and Quasi-Resonant
PWM controller. Integration provides cost effect design
and allows for fewer external components.
For PFC, FAN6921MR uses a controlled on-time
technique to provide a regulated DC output voltage and
to perform natural power factor correction. With an
innovative THD optimizer, FAN6921MR can reduce
input current distortion at zero-crossing duration to
improve THD performance.
For PWM, FAN6921MR provides several functions to
enhance the power system performance: valley
detection, green-mode operation, high / low line over
power compensation. FAN6921MR provides many
protection functions as well: secondary-side open-loop
and over-current with auto recovery protection, external
latch triggering, adjustable over-temperature protection
by RT pin and external NTC resistor, internal over-
temperature shutdown, V
DD
pin OVP, and DET pin over-
voltage for output OVP, and brown-in / out for AC input
voltage UVP.
The FAN6921MR controller is available in a 16-pin small
outline package (SOP).
Ordering Information
Part Number
OLP
Mode
Operating
Temperature Range
Package
Packing
Method
FAN6921MRMY
Recovery
-40癈 to +105癈
16-Pin Small Outline Package (SOP) Tape & Reel
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