BM2P181W-Z
内置开关MOSFET 非绝缘型 PWM DC/DC转换器IC
BM2P181W-Z
内置开关MOSFET 非绝缘型 PWM DC/DC转换器IC
本IC作为AC/DC用PWM方式DC/DC转换器为各种存在插座的产品提供优良的系统。可轻松设计非绝缘的高效率转换器。内置650V耐压启动电路，有助于实现低功耗。内置电流检测电阻，可实现小型电源设计。使用电流模式控制，进行逐周期电流限制，发挥带宽和瞬态响应的优异性能。开关频率固定为65kHz。此外，内置跳频功能，有助于实现低EMI。还内置650V耐压超级结MOSFET，设计更容易。
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
Integrated
Over Current Detection Current (typ.)[A]
1.46
Dynamic Over Current Detection
Yes
Feedback Voltage (typ.)[V]
18
FET
Integrated
Controller Type
PWM
Vin1(Min.)[V]
12
Vin1(Max.)[V]
19.44
Withstand Voltage [V]
650
SW Frequency (Max.)[kHz]
65
VCC OVP
Auto Restart
BR PIN
No
On Resistor (MOSFET)[Ω]
1.9
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]
9.27x6.35 (t=5.33)
特点：
- PWM Current Mode Method
- Frequency Hopping Function
- Burst Operation at Light Load
- Built-in 650 V Startup Circuit
- Built-in 650 V Super Junction MOSFET
- VCC UVLO (Under Voltage Lockout)
- VCC OVP (Over Voltage Protection)
- Over Current Detection Function per Cycle
- Soft Start Function
