Overview
Description
The RAA214401 is a linear regulator that operates with a very wide input voltage range at a fixed output of 3.3V and up to 150mA of output current. With an ultra-low quiescent current, it is suitable for always-on and keep-alive applications. The device operates with a wide input voltage range (4.5V to 40V at 10mA load) with excellent line and load regulation. It has integrated fault protections such as Over-Temperature Shutdown (OTSD) and short-circuit current limit. The output voltage of the device is well regulated across temperature and the entire operating range of the input voltage and load. It is fixed with an internal resistor network between the output pin and ground. The RAA214401 is available in a SOT23 package.
Features
- Wide input voltage range (4.5V to 40V at 10mA load)
- Ultra-low 3.6μA quiescent current
- High output voltage accuracy
- Excellent line and load regulation
- Stable with 2.2μF to 47μF MLCC output capacitor
- Integrated fault protections including thermal shutdown and current limit
- Available in the compact and cost-effective SOT23 package
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.14 MB | |
| Brochure | PDF 12.71 MB 日本語 | |
| End Of Life Notice | PDF 603 KB | |
| Application Note | PDF 509 KB | |
| Application Note | PDF 397 KB | |
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Design & Development
Boards & Kits
Demonstration
RTKA214401DR0000BU
Active
Ultra-Low Quiescent Current Linear Regulator Demo Board with 4.5V to 40V Input Range, 3.3V 150mA Output
The RTKA214401DR0000BU demonstration board provides a simple and compact platform for demonstrating the RAA214401 40V, 150mA low-dropout (LDO) linear regulator with super low quiescent current. The board has convenient connection points for the input and output. And, the board's small size...
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Development
EU096-PWRSEQPOCZ
Active
Flexible MCU-based 6-Channel Power Sequencer Development Kit
The Flexible 6-Channel Power Sequencer is based on Renesas' general-purpose RL78/G12 microcontroller and six discrete DC/DC regulators with integrated power MOSFETs. For ease of use, a low Iq LDO with fixed output voltage for microcontroller supply is also utilized. The reference design allows...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
Product Options
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