ROHM Product Detail

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 구입 *
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Product Detail

 
형명 | BM1Q041FJ-E2
상태 | 추천품
패키지 | SOP-J8
포장 사양 | Taping
포장 수량 | 2500
최소 포장 단위 | 2500
RoHS | Yes

사양 :

FET

External

Controller Type

QR

Vin1(Min.)[V]

8.9

Vin1(Max.)[V]

26

Start Circuit

Integrated

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]

4.9x6.0 (t=1.65)

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특징 :

  • 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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