准谐振控制器型dc/dc转换器icbm1q104fj为所有带插座的产品提供优良的系统。为准谐振动作,实现了软开关,有助于实现低emi。外接开关mosfet及电流检测电阻,可实现自由度高的电源设计。本ic内置启动电路,有助于实现低待机功耗和高速启动。轻负载时内置脉冲串功能且ic消耗电流低,因此待机功耗会变小。此外,为了防止变压器的声响,实施了将常规负载时的低频声抑制到一定水平的控制,且内置瞬时短脉冲群蚊音(6khz~20khz)抑制功能。本ic内置软启动功能、脉冲串功能、逐周期过电流限制、过电压保护、过负荷保护、cs开路时保护等各种保护功能,安全性优异。

购买 *
* 本产品是标准级的产品。
本产品不建议使用于车载设备。

主要规格

 
型号 | bm1q104fj-e2
status | 推荐品
封装 |
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | taping
rohs |

特性:

fb olp

auto restart

zt ovp

latch

br uvlo

no

external latch function

no

ac monitor function

no

vh terminal uvlo

no

frequency reduction function

yes

current detection resistors

external

dynamic over current detection

no

fet

external

controller type

qr

vin1(min.)[v]

14

vin1(max.)[v]

30

withstand voltage [v]

650

br pin

no

channel

1

light load mode

yes

en

no

soft start

yes

thermal shut-down

yes

under voltage lock out

yes

operating temperature (min.)[°c]

-40

operating temperature (max.)[°c]

85

package size [mm]

4.9x6 (t=1.65)

特点:

  • key specifications
    • · operating power supply voltage range:
      vcc:14.0v to 30.0v
    • · vh: to 600v
      operating current: normal: 0.60ma (typ)
      burst: 0.37ma(typ)
    • · operate temperature range: -40 to 85deg
  • quasi-resonant method
  • built-in 650v tolerate start circuit
  • low consumption power in light load
  • bottom skip control
  • sound of transformer reduction function
  • harsh sound prevention of transformer function
  • vcc pin: under voltage protection
  • over-current protection (cycle-by-cycle)
  • out pin: h voltage 12.5v clamp
  • soft start
  • zt trigger mask function
  • zt over voltage protection
  • fb over load protection [auto-restart]
  • cs pin open protection [auto-restart]

reference design / application evaluation kit

 
x

most viewed