内置开关MOSFET PWM型DC/DC转换器IC_BM2P0161-Z
BM2P0161是用于AC/DC的PWM方式DC/DC转换器，为所有带插座的产品提供合适的电源系统。同时支持绝缘和非绝缘，可以轻松设计各种低功耗转换器。内置650V耐压启动电路，有助于降低功耗。通过使用外部开关电流检测电阻器，可以实现具有高自由度的电源设计。由于使用了电流模式控制，因此可对每个周期进行电流限制，并且带宽和瞬态响应性能非常出色。 采用固定方法，开关频率为65kHz。 轻负载时，频率降低以实现高效率。 内置跳频功能，有助于降低EMI。内置650V开关MOSFET，易于设计。
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特性：
FET
Integrated
Controller Type
PWM
Vin1(Min.)[V]
8.9
Vin1(Max.)[V]
26.0
Start Circuit [V]
650.0
SW frequency(Max.)[kHz]
65.0
Vcc OVP
Auto Restart
BR PIN
-
On Resistor (MOSFET)[Ω]
1.0
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
特点：
- Key Specification
- · Operating Power Supply Voltage Range:
- - VCC: 8.9 V to 26.0 V
- - DRAIN: 650 V(Max)
- · Circuit Current (ON)1:
- - BM2P0161: 0.90 mA(Typ)
- - BM2P0361: 0.65 mA(Typ)
- · Circuit Current (ON)2: 0.30 mA(Typ)
- · Oscillation Frequency1: 65 kHz(Typ)
- · Operating Ambient Temperature: -40 °C to +105 °C
- · MOSFET ON Resistance:
- - BM2P0161: 1.0 Ω(Typ)
- - BM2P0361: 3.0 Ω(Typ)
- PWM Frequency: 65 kHz
- PWM Current Mode Control
- Built-in Frequency Hopping Function
- Burst Operation When Load is Light
- Frequency Reduction Function
- Built-in 650 V Starter Circuit
- Built-in 650 V Switching MOSFET
- VCC Pin Under-Voltage Protection
- VCC Pin Over-Voltage Protection
- SOURCE Pin Open Protection
- SOURCE Pin Short Protection
- SOURCE Pin Leading Edge Blanking Function
- Per-Cycle Over-Current Protection Circuit
- Over Current Protection AC Voltage Compensation Circuit
- Soft Start
- Secondary Over-Current Protection Circuit