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TDA4862 데이터시트 (PDF) - Siemens Semiconductor Group

TDA4862 Datasheet PDF - Siemens Semiconductor Group
부품명 TDA4862
다운로드  TDA4862 다운로드

파일 크기   194.51 Kbytes
페이지   17 Pages
제조업체  SIEMENS [Siemens Semiconductor Group]
홈페이지  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group
상세설명 Power-Factor Controller PFC IC for High Power Factor and Active Harmonic Filter

TDA4862 Datasheet (PDF)

Go To PDF Page 다운로드 데이터시트
TDA4862 Datasheet PDF - Siemens Semiconductor Group

부품명 TDA4862
다운로드  TDA4862 Click to download

파일 크기   194.51 Kbytes
페이지   17 Pages
제조업체  SIEMENS [Siemens Semiconductor Group]
홈페이지  http://www.siemens.com/
Logo SIEMENS - Siemens Semiconductor Group
상세설명 Power-Factor Controller PFC IC for High Power Factor and Active Harmonic Filter

TDA4862 데이터시트 (HTML) - Siemens Semiconductor Group

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TDA4862 제품 세부 정보

Description
The TDA 4862 is excellent convenient for designing a preconverter in ballasts and switched mode power supplies with sinusoidal line current consumption and a power factor approaching unity.
The TDA 4862 controls a boost converter as an active harmonics filter in a discontinuous mode (free oscillating triangular shaped current mode).
The TDA 4862 comprises an internal start-up timer, a high gain voltage amplifier, an one quadrant multiplier for approaching unity power factor, a zero current detector, PWM and logic circuitry, and totem pole MOSFET gate driver.
Protective features are: input undervoltage lockout with hysteresis, VCC zener clamp, cycle-by-cycle current limiting, output voltage limiting for fast and slow load changes up to open circuit, and a sinking gate driver current activated whenever undervoltage mode occurs.
The output voltage of this preconverter is regulated with high accuracy. Therefore the device can be used for world-wide line voltages without switches.
The TDA 4862 is the improved version of the TDA 4817 with a pinout equivalent to world standard.

Features
• IC for sinusoidal line-current consumption
• Power factor approaching 1
• Controls boost converter as an active harmonics filter
• Internal start-up with low current consumption
• Zero current detector for discontinuous operation mode
• High current totem pole gate driver
• Trimmed ± 1.4% internal reference
• Undervoltage lock-out with hysteresis
• Very low start-up current consumption
• Pin compatible to world standard
• Fast overvoltage regulator
• Current sense input with internal low pass filter




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