Overview
Description
The RAA214220 is a low dropout linear voltage regulator that operates with a very wide input voltage range. It provides up to 150mA of output current. The device features a wide input voltage range (2.5V–20V) with excellent line and load regulation. It has integrated fault protection such as over temperature shut down (OTSD) and short-circuit current limit. It is suited for battery powered and USB devices. The output voltage of the device is adjustable with an external resistor network between the output pin and ground. It is well regulated over temperature and the operating range of the input voltage and load. The device is stable with an MLCC output capacitor as low as 1µF. The RAA214220 is available in the 5-pin TSOT23 package.
Features
- Wide Input Voltage Range 2.5V to 20V
- Output Current up to 150mA
- Low Ground Current
- Adjustable and Accurate Output Voltage from 1.2266V to 18V
- Low Dropout Voltage: 225mV typical at 150mA load
- Excellent Line and Load Regulation
- Stable with 1μF–47μF MLCC Output Capacitor
- Integrated Fault Protections Including Thermal Shutdown and Current Limit
- Available in the compact and cost effective TSOT23 package
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.65 MB | |
| Brochure | PDF 12.71 MB 日本語 | |
| Application Note | PDF 509 KB | |
| Application Note | PDF 397 KB | |
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Design & Development
Boards & Kits
Evaluation
RTKA214220DR0000BU
Active
LDO Linear Regulator Evaluation Board with 2.5V to 20V Vin Range, Adjustable 3.3V 150mA Output
The RTKA214220DR0000BU demonstration board provides a simple platform for demonstrating the RAA214220 20V, 150mA, low-dropout (LDO) linear regulator. The board features convenient connection points for input and output, in addition to Enable. With a small form factor, the board can be integrated...
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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.
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