R1224N122F-FA DC/DC降压转换电源IC 1.2V SOT-153/SOT23-5 marking/标记 F12 内置电流限制电路
控制方式MODE | pwm/vfm |
输入电压VINInput Voltage | 2.3~18.5V |
输出电压VOUTOutput Voltage | 1.2V |
输出电流IOUTOutput Current | |
震荡频率FOSCOscillation Frequency | 300khz |
内置FETBuilt-in FET | |
Description & Applications | PWM/VFM step-down DC/DC Converter •Standby Current Typ. 0µA • Input Voltage Range 2.3V~18.5V • Output Voltage Range 1.2V to 6.0V (R1224Nxx2x) 1.0V to VIN (R1224N102x) • Output Voltage Accuracy ±2.0% • Oscillator Frequency Typ. 180kHz (R1224Nxx2M, R1224N102M) • Efficiency typ. 90% • Low Temperature-Drift Coefficient of Output Voltage. Typ. ±100ppm/°C • Package SOT-23-5 • Built-in Soft-start Function Typ. 10ms • Built-in Current Limit Circuit • Power source for hand-held communication equipment, cameras, video instruments such as VCRs, camcorders. • Power source for battery-powered equipment. • Power source for household electrical appliances |
描述与应用 | PWM/ VFM降压DC/ DC转换器 •待机电流典型。 0μA •输入电压范围2.3V〜18.5V •输出电压范围为1.2V至6.0V(R1224Nxx2x) 1.0V(VIN R1224N102x) •输出电压精度±2.0% •振荡器频率典型。 180KHZ(R1224Nxx2M R1224N102M) •效率(典型值)。 90%的 •低输出电压的温度漂移。典型。温度系数±100ppm/°C •封装SOT-23-5 •内置软启动功能的典型。 10ms的 •内置电流限制电路 •手持式通信设备,数码相机,视频工具,如录像机,摄像机的电源。 •电池供电设备的电源。 •电源家用电器 |
规格书PDF |