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Description
The RJ2421EBOPB is an IC chip in the RS5RJ series. It is a step-up DC/DC converter IC equipped with a voltage regulator (VR) and a voltage detector (VD) using CMOS process. This IC consists of a VFM DC/DC converter, a linear regulator, and a voltage detector. It functions as a linear regulator when the input voltage is high and as a step-up DC/DC converter + linear regulator when the input voltage is low. It can be used in battery-powered and hand-held instruments, as the internal circuits can be turned off to minimize the standby current. Additionally, the built-in voltage detector allows monitoring of potentials such as the output voltage of the DC/DC converter.
Specifications and features
- Low Supply Current: TYP. 15µA (RS5RJ3624A: VIN=3.0V, at no load)
- Standby Mode: Istandby=MAX. 1.0µA (RS5RJ××××A), Istandby=MAX. 10.0µA (RS5RJ××××B)
- Low Voltage Operation Possible: Operating Voltage VIN=1.2V to 10V
- High Output Voltage Accuracy: Fixed Output Voltage Accuracy ±2.5%
- High Detector Threshold Accuracy: ±2.5%
- Output Voltage can be set at Users request (refer to Selection Guide).
- Voltage close to battery's voltage can be output because these ICs are of a step-up/step-down type (Ex. a fixed voltage of 3V can be output by a 3V battery).
- Built-in Protection Circuits for Lx Driver
- Pin for External Driver is equipped, and a large current output can be obtained.
- Small Package: 8pin SOP
Application Scenarios
- Power source for cameras, camcorders, and hand-held audio equipment.
- Power source for small OA apparatus such as note type personal computers and word processors.
- Power source for hand-held communication appliances such as pagers, cordless telephones, and cellular phones.
Comparison
Advantages- Provides step-up DC/DC conversion and linear regulation.
- Low supply current and standby mode for power efficiency.
- Wide operating voltage range.
- High output voltage accuracy.
Disadvantages- Requires external inductor, diode, and capacitor for operation.
- Available in an 8pin SOP package.
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
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Additional Information
- Datasheet: Download RJ2421EBOPB
- Chipdatas Part: CD94-RJ2421EBOPB
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/22 19:42 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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