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Description
The RH5RI××1B/××2B/××3B Series are VFM (Chopper) Step-up DC/DC converter ICs with ultra low supply current by CMOS process. A low ripple, high efficiency step-up DC/DC converter can be constructed with this RH5RI××1B IC and only three external components, which are an inductor, a diode, and a capacitor.
Specifications and features
- Product Category: IC Chips
- Small Number of External Components: Only an inductor, a diode and a capacitor (RH5RI××1B)
- Ultra Low Input Current: TYP. 4µA (RH5RI301B/303B at no load,with 1.5V input)
- High Output Voltage Accuracy: ±2.5%
- Low Ripple and Low Noise
- Low Start-up Voltage (When the output current is 1mA): MAX. 0.9V
- High Efficiency: TYP.80%
- Low Temperature-Drift Coefficient of Output Voltage: TYP. ±50 ppm/˚C
- Small Packages: SOT-89 (RH5RI××1B, RH5RI××2B) SOT-89-5 (RH5RI××3B)
Application Scenarios
- Power source for battery-powered equipment.
- Power source for cameras, camcorders, VCRs, PDAs, electronic data banks, and hand-held communication equipment.
- Power source for appliances which require higher cell voltage than that of batteries used in the appliances.
Comparison
Advantages- Low input current
- High output voltage accuracy
- Low start-up voltage
- High efficiency
- Small number of external components
Disadvantages- May not be suitable for applications that require a large output current
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Datasheet
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Shopping guide
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Additional Information
- Datasheet: Download RH5RI343B-T1
- Chipdatas Part: CD87-RH5RI343B-T1
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 12:50 +0800
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- Full or Partial Refund , If the item is not as described
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