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the seco-lvdcdc3064-sic-gevb is an isolated supply for sic drivers, providing the necessary stable voltage rails -5 v / 20 v for an efficient switching—as well as an additional 5 v rail—over a wide input voltage range (6 vdc to 18 vdc). the converter is implemented as a primary side regulated flyback, with the feedback loop signal (1.25 v) realized via an auxiliary winding regulated at 5v and a voltage divider. the design leverages the several merits of the ncv3064 regulator, enabling a low component count, compact and robust design. among the features of this converter stand out—e.g. an internal temperature compensated reference, a controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. the board is realized with automotive qualified parts and is pin compatible with commercial sic dc/dc supplies, provisioning a ready to use plug-in solutions for power applications.

collateral
特性和应用

特性

  • core part—ncv3064 (automotive) / ncp3064 (industrial)
  • switching frequency 150 khz
  • input voltage 6-18 vdc
  • output voltage 5 v / 5 v / 20 v
  • operation mode dcm and ccm
  • output current 50 ma (for each branch)
  • efficiency at full load 67%
  • size 26.24 x 16.38 x 16.06 mm
  • transformer basic parameters
    • interwinding capacitance 6.4 pf
    • dielectric insulation 4000vac
    • inductance 42 μh
    • leakage inductance 650 nh

应用

  • isolated sic driver supply
  • automotive powertrain systems
  • automotive auxiliary power
评估/开发工具信息
产品 状况 compliance 简短说明 所用产品 行动
seco-lvdcdc3064-sic-gevb active
pb-free
6-18 vdc input isolated sic gate driver supply 20v/-5v/5v with automotive qualified ncv3064 controller evaluation board ,  , 
技术文档
类型 文档标题 文档编号/大小 修订号
eval board: manual 6-18 vdc input isolated sic gate driver supply 20v/-5v/5v with automotive qualified ncv3064 controller evaluation board user's manual  2 
eval board: test procedure seco-lvdcdc3064-sic-gevb test procedure  0 
eval board: bom seco-lvdcdc3064-sic-gevb bill of materials (rohs compliant)  0 
eval board: schematic seco-lvdcdc3064-sic-gevb schematic  0 
eval board: gerber seco-lvdcdc3064-sic-gevb gerber layout files (zip format)  0 

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