BD8158FVM-TR DC/DC升压转换器电源管理IC MSOP-8 marking/标记 D8158 高效率PFM升压型DC/ DC转换器
控制方式MODE | PWM |
输入电压VINInput Voltage | 2.1~5.5V |
输出电压VOUTOutput Voltage | |
输出电流IOUTOutput Current | 1.4A |
震荡频率FOSCOscillation Frequency | 600KHz/1.2MHz |
内置FETBuilt-in FET | |
Description & Applications | High-efficiency Step-up Switching Regulators with Built-in Power MOSFET •BD8158FVM is the 1-channel step-up switching regulator which builds in the low voltage FET. Input voltage is 2.1V to 5.5V(BD8158FVM) realizing the low consumption power. High accuracy feedback voltage 1% is established and the brightness dispersion of TFT-LCD panel is suppressed. •Current mode PWM system •Input voltage is 2.1 V to 5.5 V (BD8158FVM, providing the low power input) •Switching frequency is variable as 600 kHz/1,200 kHz. •Built-in 0.25 Ω power switch •Feedback voltage 1.245 1% •Built-in under-voltage lockout protection circuit •Built-in overcurrent protection circuit •Built-in thermal shutdown circuit |
描述与应用 | 高效率升压型开关稳压器内置功率MOSFET •BD8158FVM1通道升压型开关稳压器,它建立在低电压FET。输入电压为2.1V至5.5V(BD8158FVM,实现低耗电。反馈电压精度高1%的建立和被抑制的TFT-LCD面板的亮度分散。 •电流模式PWM系统 •输入电压为2.1 V至5.5 V(BD8158FVM,提供低功率输入) •可变的开关频率为600千赫/1200千赫。 •内置0.25Ω电源开关 •反馈电压1.2451% •内置欠压锁定保护电路 •内置过电流保护电路 •内置热关断电路 |
规格书PDF |