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Part Number: RN5RY201A
Description: The RN5RY´´1 Series are VFM Control ICs for step-up DC/DC converter with an external drive...
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RN5RY201A
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DataSheet
General Description
RN5RY201A General Description
The RN5RY´´1 Series are VFM Control ICs for step-up DC/DC converter with an external driver transistor featuring high output voltage accuracy and low supply current by CMOS process. Each of the RN5RY´´1 Series ICs consists of a voltage reference unit, an error amplifier, an oscillator, a VFM control circuit and feed back resistors. A low ripple, high efficiency step-up DC/DC converter can be composed of the RN5RY´´1 Series with only an inductor, a diode, a capacitor, and a drive transistor.
Since the package for these ICs are SOT-23-5( Mini-mold)package, high density mounting of the ICs on boards is possible.
RN5RY201A Maximum Ratings
| Symbol | Item | Ratings | Unit |
| VIN | Input Voltage | +12 | V |
| VCE | CE Pin Input Voltage | 0.3 to VOUT+0.3 | V |
| VEXT | EXT Pin Output Voltage | 0.3 to VOUT+0.3 | V |
| IEXT | EXT Pin Output Current | ±50 | mA |
| PD | Power Dissipation | 150 | mW |
| Topt | Operating Temperature | 30 to +85 | °C |
| Tstg | Storage temperature | 55 to +125 | °C |
| Tsolder | Lead Temperature (Soldering | 260°C, 10s |
RN5RY201A Features
• Low Supply Current ..................................................................................TYP. 3A
• Low Standby Current ..................................................................................TYP. 0.6A
• Low Temperature-Drift Coefficient of Output Voltage ...........................TYP. ±50ppm / °C
• High Accuracy Output Voltage...................................................................±2.5%
• Low Oscillation Start-up Voltage ...............................................................MAX. 0.8V
• Small Package .............................................................................................SOT-23-5(Mini-Mold)
• Low Standby Current ..................................................................................TYP. 0.6A
• Low Temperature-Drift Coefficient of Output Voltage ...........................TYP. ±50ppm / °C
• High Accuracy Output Voltage...................................................................±2.5%
• Low Oscillation Start-up Voltage ...............................................................MAX. 0.8V
• Small Package .............................................................................................SOT-23-5(Mini-Mold)
RN5RY201A Typical Application
• Power source for battery-powered instruments.
• Power source for cameras, VCRs, camcorders, pagers, and other hand-held communication instruments.
• Power source for cameras, VCRs, camcorders, pagers, and other hand-held communication instruments.
RN5RY201A Connection Diagram
RN5RY201A
PDF/DataSheet Download
- Datasheet: RN5RY201A
- File Size: 120633 KB
- Manufacturer: RICOH [RICOH electronics devices division]
- Click here to Download
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