BM1Q021FJ
Quasi-Resonant Control type DC/DC Converter IC

准谐振控制器型DC/DC转换器IC BM1Q021FJ为所有存在插口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。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。

Data Sheet 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 | BM1Q021FJ-E2
Status | 推荐品
封装 | SOP-J8
包装数量 | 2500
最小独立包装数量 | 2500
包装形态 | Taping
RoHS | Yes

特性:

FB OLP

Auto Restart

ZT OVP

Auto Restart

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]

8.9

Vin1(Max.)[V]

26

Withstand Voltage [V]

650

SW Frequency (Max.)[kHz]

120

VCC OVP

Auto Restart

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]

105

Package Size [mm]

4.9x6 (t=1.65)

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特点:

  • Quasi-resonant method
  • Built-in 650V tolerate start circuit
  • Low power when load is light ( Burst operation)
  • Maximum frequency control (120kHz)
  • Frequency reduction function
  • AC voltage correction function
  • VCC pin : under voltage protection
  • VCC pin : overvoltage protection
  • Over-current protection (cycle-by-cycle)
  • OUT pin : H voltage 12V clamp
  • Soft start
  • ZT trigger mask function
  • ZT Over voltage protection[Auto-restart]
  • FB Over Load protection [Auto-restart]
  • CS pin open protection [Auto-restart]