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RH5RH502B-T2 502 的参数 |
| 控制方式
MODE |
PWM |
| 输入电压VIN
Input Voltage |
2.5~10V |
| 输出电压VOUT
Output Voltage |
5V |
| 输出电流IOUT
Output Current |
10mA |
| 震荡频率FOSC
Oscillation Frequency |
100KHz |
| 内置FET
Built-in FET |
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| Description & Applications |
PWM STEP-UP DC/DC CONVERTER ? Small Number of External Components Only an inductor, a diode and a capacitor (RH5RH××1A) ? Low Supply Current TYP. 15μA (RH5RH301A) ? Low Ripple and Low Noise ? Low Start-up Voltage (when the output current is 1mA) 0.9V ? High Output Voltage Accuracy±2.5% ? High Efficiency 85% ? Low Temperature-Drift Coefficient of Output Voltage ±50 ppm/?C ? Soft-Start MIN. 500μs ? Power source for battery-powered equipment. ? Power source for cameras, camcorders, VCRs, PDAs, electronic data banks,and hand-held communication equipment. ? Power source for instruments which require low noise and low supply current, such as hand-held audio equipment. ? Power source for appliances which require higher cell voltage than that of batteries used in the appliances. |
| 描述与应用 |
PWM升压型DC / DC转换器 ?小的外部元件数目只有一个电感，一个二极管和一个电容（RH5RH××1A） ?低电源电流典型值15μA（RH5RH301A） ?低纹波，低噪声 ?低启动电压（输出电流为1mA时）0.9V ?高输出电压精度为±2.5％ ?高效率85％ ?低输出电压的温度漂移±50 PPM /?C ?软启动最小500μs的 ?电池供电设备的电源。 ?电源相机，摄像机，录像机，掌上电脑，电子数据银行，手持通信设备。 ?电源要求低噪音和低电源电流，如手持式音频设备仪器。 ?电源电器比在家电使用的电池需要更高的电池电压。 |
| 技术文档PDF下载 |
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相关型号列表 |
| 型号 |
标记/丝印/代码 |
厂家 |
批号 |
封装 |
数量 |
描述 |
详细资料 |
| RH5RH501A |
501A |
RICOH |
05+ |
SOT89-5 |
0 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RH502B-T2 |
502B |
RICOH |
03+ |
SOT-89 |
14200 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RH502B-T2 |
502 |
RICOH |
05+ |
SOT-89 |
0 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RH503B-T1 |
503B |
RICOH |
05+ |
SOT89-5 |
50 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RH503B-T1 |
503B |
RICOH |
05+ |
SOT89-5 |
0 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RH501A |
501A |
RICOH |
05+ |
SOT-89 |
0 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
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