BM1R00148F
高效率、低待机功耗、支持连续模式 二次侧同步整流控制IC
BM1R00148F
高效率、低待机功耗、支持连续模式 二次侧同步整流控制IC
BM1R00148F是用于二次测输出段的同步整流控制器。内置超低功耗的高精度分流稳压器,可大幅度减少待机时的功耗。分流稳压器由完全独立芯片构成,因此即使在High Side使用时,也可作为GND基准工作。此外,连续模式工作时,可以不输入一次侧开关同步信号进行动作,有助于进一步节省空间。工作电源电压范围广,为2.7V~32V,可应对各种输出的应用。采用高耐压120V处理器,可直接监视漏极电压。
主要规格
特性:
Channel
1
Controller Type
SR
Circuit Configuration
Flyback
Vin1 (Min.)[V]
2.7
Vin1 (Max.)[V]
32
Shunt Regulator Accuracy (%)
0.5
VCC OVP
Auto Restart
OVP
Fixed
Compulsion OFF Time (typ. μs)
3
FET
-
Drain Monitor Voltage [V]
120
BR PIN
No
Light Load mode
No
EN
No
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size [mm]
5x6.2 (t=1.71)
特点:
- Built-in Ultra-Low Consumption Shunt Regulator Reducing Standby Power Consumption
- Synchronous Rectification FET Supports High and Low Side
- 120V High Voltage Process DRAIN terminal
- Wide Input Operating Voltage Range of 2.7V to 32V
- Supports LLC and PWM QR Controller
- No Input Required on the Primary-Side at CCM
- Built-in Overvoltage Protection for SH_IN and SH_OUT Terminal
- Built-in Thermal Shutdown Function
- Built-in Auto Shutdown Function
- SOP8 package