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UC2852
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UC2852

  • 所属类别：音频放大器
  • 产品名称：高功率因数前置稳压器
  • 厂商：TI
  • 生产批号：09+
  • 封装：SOP16
  • 库存状态：有库存
  • 库存量：9000
  • 最低订购量：1
  • 详细资料：点击查找UC2852的pdf资料
  • 点击询价
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  • Product Introduction
The UC1852 provides a low-cost solution for systems that would otherwise draw on the high pulse peak current of AC power lines with active power factor correction (PFC). The circuit implements zero-current switching Boost conversion, which produces a sinusoidal input current with minimal external components while maintaining peak current significantly lower than that of a fully continuous converter.

The UC1852 provides time to control the output DC voltage large capacity, the break time is defined by the step-up inductor, the zero current detection circuit, and the restart switching period switch. Even if the two switching frequencies change instantaneously with the load and line voltage, it can remain within a reasonable range to minimize noise generation.

characteristic

 

 

  • Low-cost power factor correction
  • Power factor greater than 0.99
  • The number of external parts required
  • PWM boost with controlled on-time
  • Zero current switch
  • Peak current limit
  • Minimum and maximum frequency limits
  • The starting current is less than 1mA
  • High-current FET drives the output
  • Undervoltage locking

 

The ICs associated with UC2852 include:


Model Manufacturers lot number encapsulation illustrate
1728520000 Weidmüller Interface GmbH & Co. KG 218+ connector 1728520000 S2L 3.5/16/90F 3.5SN OR
LTC2852CS8#TRPBF Linear Technology 15+ SMD LTC2852CS8#TRPBF
LTC2852IS8#TRPBF Linear Technology 15+ SMD LTC2852IS8#TRPBF
LTC2852HS8#PBF Linear Technology 15+ SMD LTC2852HS8#PBF
LTC2852CS8#PBF Linear Technology 15+ SMD LTC2852CS8#PBF
XR16C2852IJ-F XR 15+ smd New original imported integrated circuit
16C2852CJ XP 08+ PLCC-44 3.3V AND 5V DUART WITH 128-BYTE FIFO
LM2852XMXA-3.3/NOPB   10+11+   Hong Kong spot, imported original
LM2852YMXA-3.3/NOPB   10+11+   Hong Kong spot, imported original
LM2852XMXA-2.5/NOPB   10+11+   Hong Kong spot, imported original
LM2852YMXA-1.5/NOPB   10+11+   Hong Kong spot, imported original
LP3986TL-285285/NOPB   10+11+   Hong Kong spot, imported original
LM2852XMXA-1.2/NOPB   10+11+   Hong Kong spot, imported original
LM2852YMXA-1.8/NOPB   10+11+   Hong Kong spot, imported original
LM2852YMXA-1.2/NOPB   10+11+   Hong Kong spot, imported original
LM2852XMXA-1.2 NSC 10+ TSSOP-14 2A 500/1500kHz synchronous buck regulator
LM2852YMXA-1.8 NSC 10+ TSSOP-14 2A 500/1500kHz synchronous buck regulator
LM2852YMXA-0.8 NSC 10+ 14-eTSSOP 2A 500/1500kHz synchronous buck regulator
LM2852XMXA-3.3 NSC 09+ TSSOP 2A 500/1500kHz synchronous buck regulator
LM2852YMXAX-1.5 NSC 10+ TSSOP EXP P 2A 500/1500kHz synchronous buck regulator

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