5.5V 2A Low Noise LDO Evaluation Board with Adjustable 3.3V Output
The RTKA214020DE0010BU evaluation board provides a simple platform to evaluate the RAA214020. It contains all the important circuitry needed to characterize critical...
Overview
Description
The RAA214020 is an ultra-low noise, high-PSRR, low-dropout voltage regulator. The LDO operates from an input voltage range of 2.7V to 5.5V and can source a maximum 2A load. The output is adjustable with external feedback resistors anywhere from 0.9V up to 5.5V-V DROPOUT.
The RAA214020 has a low output noise of 6.3μVRMS typical and high PSRR which makes it well-suited for post-regulation in low-noise applications.
The operating quiescent current is typically 195μA and drops to a couple nanoamps typical at room temperature when in shutdown making it great for portable applications.
The LDO features ±1.5% output voltage accuracy (over line, load, and temperature), input UVLO with hysteresis, enable control, internal current limit, thermal shutdown protection with hysteresis, power-good indication, and fast start-up. Additionally, the LDO is stable with a minimum 22μF ceramic output capacitor and is available in a 10 Ld 3mm x 3mm DFN package great for compact system boards.
Features
- Input voltage range: 2.7V to 5.5V
- Max output current: 2A
- Max dropout voltage: 540mV at 2A
- Low RMS output noise: 6.3μVRMS (10Hz to 100kHz)
- Output voltage adjustable: 0.9V to 5.5V - VDROPOUT
- High PSRR
- Output voltage accuracy: ±1.5% over line, load, and temperature
Comparison
Applications
Applications
- High Speed Analog: VCO, ADC, DAC, LVDS
- Clock and Timing
- RF and Wireless
- IoT and Smart Utilities
- 4G and 5G Telecom
Documentation
= Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 2.65 MB | |
| Product Advisory | PDF 414 KB | |
| Application Note | PDF 868 KB | |
| Application Note | PDF 193 KB | |
| Application Note | PDF 509 KB | |
| Application Note | PDF 397 KB | |
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
RAA214020GNP#HD0 Active Samples Available
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2033 Dec | DFN | Reel | 1 | 1.619 | Get Samples, |
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