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R2A20124AFP - Synchronous Phase Shift Full-Bridge Controller

Description

The R2A20124AFP/R2A20124ASP controls a full-bridge phase shift circuit and secondary synchronous rectification.

The R2A20124AFP/R2A20124ASP has adjustable delay time functions which make ZVS of primary side and make loss of body diode of primary switching device minimal.

Features

  • Maximum ratings  Supply voltage Vcc: 20 V  Operating junction temperature Tj-opr:.
  • 40 to +125°C.
  • Electrical characteristics  VFB feedback voltage VFB(.
  • ): 1.25 V  2.0%  UVLO (Under Voltage Lockout) operation start voltage VH: 8.4 V  0.7 V  UVLO operation shutdown voltage VL: 8.0 V  0.6 V  UVLO hysteresis voltage dVUVL: 0.4 V  0.1 V  Output voltage swing of OUT-A, B, C, D, and E for gate drive: GND to VCC.
  • Functions R2A20124AFP/R2A20124ASP  Full-bridge p.

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Datasheet preview – R2A20124AFP

Datasheet Details

Part number R2A20124AFP
Manufacturer Renesas Technology
File Size 260.48 KB
Description Synchronous Phase Shift Full-Bridge Controller
Datasheet download datasheet R2A20124AFP Datasheet
Additional preview pages of the R2A20124AFP datasheet.

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Full PDF Text Transcription

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Preliminary Datasheet R2A20124AFP/R2A20124ASP R03DS0031EJ0300 Synchronous Phase Shift Full-Bridge Control IC Series Rev.3.00 Mar 11, 2011 Description The R2A20124AFP/R2A20124ASP controls a full-bridge phase shift circuit and secondary synchronous rectification. The R2A20124AFP/R2A20124ASP has adjustable delay time functions which make ZVS of primary side and make loss of body diode of primary switching device minimal. The R2A20124AFP/R2A20124ASP is based on HA16163/R2A20121. And RAMP slope compensation circuit is builtin as an additional function. Also its output driver circuits are improved to enlarge gate drive output voltage swing from VREF to VCC. In addition R2A20124AFP has ON/OFF function of synchronous rectification and includes amplifier which detect input current signal.
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