BM1Q041FJ
Quasi-Resonant Control type DC/DC Converter IC

The quasi-resonant controller typed AC/DC converter IC BM1Q041FJ provides an optimum system for all products that include an electrical outlet. Quasi-resonant operation enables soft switching and helps to keep EMI low. With MOSFET for switching and current detection resistors as external devices, a higher degree of design freedom is achieved. As BM1Q041FJ built in HV starter circuit, it contributes to low consumption power and high speed start. Because the built-in burst mode is reduced switching loss and IC consumption current is low, Stand-by power is very low. Because BM1Q041FJ built-in soft-start, burst mode, over current limiter which is cycle-by-cycle, over load protection, over voltage protection, CS open protection and so on, BM1Q041FJ is highly safety.

You can choose from a variety of power and topology evaluation boards.

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 | BM1Q041FJ-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

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
  • FB Over Load protection [Auto-restart]
  • CS pin open protection [Auto-restart]
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