BD8158FVM-TR

ROHM  BD8158FVM-TR  直流-直流开关升压稳压器, 可调, 2.1V-5.5V输入, 2.5V-14V输出, 1.4A输出, MSOP-8

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 5.5VBD8158FVM 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1.2451％ •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