BM2P249TF
PWM type DC/DC converter IC Integrated Switching MOSFET for non-Isolated type
BM2P249TF
PWM type DC/DC converter IC Integrated Switching MOSFET for non-Isolated type
本IC作为AC/DC用PWM方式DC/DC转换器为所有带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100kHz。轻负载时降低频率，实现高效率。内置跳频功能，有助于实现低EMI。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
No
Current Detection Resistors
Integrated
Over Current Detection Current (typ.)[A]
0.45
Dynamic Over Current Detection
Yes
Feedback Voltage (typ.)[V]
24.8
FET
Integrated
Controller Type
PWM
Vin1(Min.)[V]
10.6
Vin1(Max.)[V]
26.8
Withstand Voltage [V]
650
SW Frequency (Max.)[kHz]
100
VCC OVP
Auto Restart
BR PIN
No
On Resistor (MOSFET)[Ω]
9.5
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]
5x6.2 (t=1.71)
特点：
- PWM frequency: 100kHz
- PWM current mode method
- Frequency hopping function
- Burst operation at light load
- Built-in 650V start circuit
- Built-in 650V switching MOSFET
- VCC pin under voltage protection
- VCC pin over voltage protection
- Over current limiter function per cycle
- Soft start function
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BM2P249TF-EVK-001
Non-Isolation Buck Converter PWM method Output 3 W 24 V
