S-8328B33MC DC/DC升压转换器电源管理IC 3.3V SOT-153/SOT23-5 marking/标记 EWN PWM/ PFM控制步骤型开关稳压器
| 控制方式MODE | PWM/PFM |
| 输入电压VINInput Voltage | 〈9V |
| 输出电压VOUTOutput Voltage | 3.3V |
| 输出电流IOUTOutput Current | 10.5mA |
| 震荡频率FOSCOscillation Frequency | 100KHz |
| 内置FETBuilt-in FET | 有 |
| Description & Applications | PWM/PFM CONTROL STEP-UP SWITCHING REGULATOR • Low voltage operation: 0.9 V (IOUT = 1mA) •Low current consumption •During operation: 17.2µA (VOUT = 3 V, 50 kHz) •During shutdown : 0.5µA (max.) • Duty ratio:Built-in PWM/PFM control circuit • External parts: coil, diode, and capacitor only (a transistor is needed for the S-8327 Series.) • Output voltage: accuracy of ±2.4% • Soft start function: 6 msec (typ.) •Shutdown function • External transistor type is available (S-8327 Series) •SOT-23-5 small plastic package • SOT-23-3 small plastic package • SOT-89-3 miniature power molded plastic package •Step-down and voltage-inverting type are available. •Power supplies for portable equipment such as pagers, handy calculators, and remote controllers •Constant voltage power supplies for cameras,video equipment, and communications equipment •Power supply for microcomputers |
| 描述与应用 | PWM/ PFM控制步骤型开关稳压器 •低电压工作：0.9 V（IOUT=1mA时） •低电流消耗 •在操作过程中：17.2μA（VOUT= 3 V，50千赫） •关断期间：0.5μA（最大值）？ •占空比：内置PWM/PFM控制电路 •外部部件：线圈，二极管和电容只 （晶体管所需的在S-8327系列）。 •输出电压精度为±2.4％ •软启动功能：6毫秒（典型值） •关机功能 •外部晶体管型（S-8327系列） •SOT-23-5小塑料包 •小塑料封装SOT-23-3 •SOT-89-3微型功率模压塑料封装？ •降压和反相转换型可供选择。 •电源的便携式设备，如寻呼机，方便的计算器，遥控器 •恒压电源照相机，视频设备，通信设备 •微型计算机的电源 |
| 规格书PDF |
