BM1Q011FJ
Quasi-Resonant Control type DC/DC Converter IC
BM1Q011FJ
Quasi-Resonant Control type DC/DC Converter IC
准谐振控制器型DC/DC转换器ICBM1Q011FJ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，因此可实现低待机功耗。此外，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。
主要规格
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
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：
- Quasi-resonant method
- Built-in 650V tolerate start circuit
- Low power at the light load (burst operation)
- Maximum frequency control (120kHz)
- Frequency reduction function
- AC voltage correction function
- VCC pin : under voltage protection
- VCC pin : over voltage protection
- Over-current protection (cycle-by-cycle)
- Output driver 12V clamp circuits
- Soft start function
- ZT trigger mask function
- Over Load protection [Auto-restart]
- CS pin open protection [Auto-restart]
