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RH5RI503B-T1 503 的参数 |
| 控制方式
MODE |
PWM |
| 输入电压VIN
Input Voltage |
≤8V |
| 输出电压VOUT
Output Voltage |
5V |
| 输出电流IOUT
Output Current |
1mA |
| 震荡频率FOSC
Oscillation Frequency |
50KHz |
| 内置FET
Built-in FET |
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| Description & Applications |
VFM STEP-UP DC/DC CONVERTER ? Small Number of External Components Only an inductor, a diode and a capacitor ? Low Supply Current 15μA ? Low Ripple and Low Noise ? Low Start-up Voltage (when the output current is 1mA) .MAX. 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 ? Small Packages SOT-89 (RH5RH××1A, RH5RH××2B), SOT-89-5 (RH5RH××3B) ? 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 |
VFM升压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 ?低电源电流15μA ?低纹波，低噪声 ?低启动电压（输出电流为1mA时）最大。 0.9V ?高输出电压精度。 ±2.5％ ?高效率。 85％的 ?低输出电压的温度漂移。 ±50 PPM /?C ?软启动。最小。 500μs的 ?小封装SOT-89（RH5RH××1A，RH5RH××2B） SOT-89-5（RH5RH××3B） ?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，和手持通信 的设备。 ?电源要求低噪音和低电源电流，如手持式音频设备仪器。 ?电源设备需要更高的电池电压比在家电使用的电池 |
| 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 |
| RH5RI251B-T1 |
251 |
RICOH |
05+ |
SOT-89 |
100 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI271B-T1 |
271 |
RICOH |
05+ |
SOT-89 |
6900 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI301B |
301 |
RICOH |
05+ |
SOT-89 |
2200 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI305B-T1 |
305 |
RICOH |
00+ |
SOT-89 |
17300 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI331B-T1 |
331 |
RICOH |
05+ |
SOT-89 |
1100 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI501B |
501 |
RICOH |
05+ |
SOT-89 |
400 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI502B-T1 |
502 |
RICOH |
05+ |
SOT-89 |
1500 |
电源管理ICPower Management IC/PMIC-DC/DC升压转换器DC/DC Step-Up Converter |
查看 |
| RH5RI503B-T1 |
503 |
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 |
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