AC/DC用 准谐振控制器型 DC/DC转换器IC BD7684FJ-LB

本产品是面向工业设备市场的产品,保证可长期稳定供货。是最适合这些用途的产品。准谐振控制器型DC/DC转换器BD7684FJ-LB为所有存在插口的产品提供最佳的系统。为准谐振动作,实现了软开关,有助于实现低EMI。通过外接开关MOSFET及电流检测电阻,可实现高自由度的电源设计。内置欠压功能,可监控输入电压,有助于实现最佳系统。内置脉冲串模式,可降低轻负载时的功耗。BD7684FJ-LB内置了软启动功能、脉冲串功能、逐周期过电流限制、过电压保护、过负荷保护、欠压功能等各种保护功能。内置了对SIC-MOSFET进行最佳驱动的栅极箝位电路。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BD7684FJ-LBE2供应中SOP-J825002500TapingYes

BD7684FJ-LB 数据手册 Data Sheet

技术特性
FET-
Controller TypeQR
Vin1(Min.)[V]15.0
Vin1(Max.)[V]27.5
SW frequency(Max.)[KHz]120.0
Vcc OVPAuto Restart
BR PINYes
Channel1
Light Load modeYes
ENNo
Soft StartYes
Thermal Shut-downYes
Under Voltage Lock OutYes
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]105
技术资料下载
产品特点
  • Pin 8 : SOP-J8 Package (6.00mm × 4.90mm : 1.27mm pitch [TYP] )
  • Quasi-resonant type (low EMI)
  • Frequency reduction mode
  • Low current consumption (19µA), during standby
  • Low current consumption when no load (burst operation when light load)
  • Maximum frequency (120kHz)
  • CS Pin Leading-Edge Blanking
  • VCC UVLO (Under Voltage Drop Out protection)
  • VCC OVP (Over Voltage Protection)
  • Per-cycle over-current protection circuit
  • Soft start
  • ZT trigger mask function
  • Voltage protection function (brown out)
  • ZT OVP (Over Voltage Protection)
  • Gate-clamp circuit
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