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REG103UA-A
Low-Noise Low Dropout Regulator 500mA
REG103UA-A
Low-Noise Low Dropout Regulator 500mA
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Manufacturer Part # : REG103UA-A
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Package/Case: SOIC (D)-8
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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REG103UA-A DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.927 | $3.93 |
| 10 | $3.843 | $38.43 |
| 30 | $3.790 | $113.70 |
| 100 | $3.733 | $373.30 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The REG103UA-A is a state-of-the-art linear regulator, boasting low-noise and low-dropout features that set it apart from other designs. With its new DMOS topology, this regulator offers impressive improvements in dropout voltage, transient performance, and stability. Unlike traditional low-dropout regulators, the REG103UA-A does not require an output capacitor for stability, saving costs and simplifying the design process for engineers. Its low ground pin current of only 1mA at 500mA output current, dropping to a mere 0.5µA in not enabled mode, ensures efficient power usage without sacrificing performance
Key Features
- EASY TO INTEGRATE
- SUPPORT MULTI-VOLTAGE
- ROBUST ERROR HANDLING
Application
- Voltage regulator for battery-powered equipment
- Stabilize voltage in portable devices
- Used in various electronic devices
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Output options | Adjustable Output, Fixed Output | Iout (max) (A) | 0.5 |
| Vin (max) (V) | 15 | Vin (min) (V) | 2.7 |
| Vout (max) (V) | 5.5 | Vout (min) (V) | 1.3 |
| Fixed output options (V) | 2.5, 3, 3.3, 5 | Noise (µVrms) | 33 |
| Iq (typ) (mA) | 1 | Thermal resistance θJA (°C/W) | 150 |
| Rating | Catalog | Load capacitance (min) (µF) | 0 |
| Regulated outputs (#) | 1 | Features | Enable, Power good |
| Accuracy (%) | 2 | PSRR at 100 KHz (dB) | 20 |
| Dropout voltage (Vdo) (typ) (mV) | 115 | Operating temperature range (°C) | -40 to 85 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is REG103UA-A?
The REG103UA-A is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and regulated output voltage from a higher input voltage source, commonly used in various electronic devices to power sensitive components.
How Does REG103UA-A Work?
The REG103UA-A works by taking a higher input voltage and regulating it down to a precise output voltage with minimal dropout voltage. It utilizes internal circuitry to maintain a stable output voltage even in the presence of fluctuations in the input voltage or load changes. The LDO is designed to offer low noise and high PSRR (power supply rejection ratio), making it suitable for noise-sensitive applications.
How Many Pins does REG103UA-A have and What are the Functions of the Pinout Configuration?
The REG103UA-A is housed in a 8-pin TO-220 package. The pinout configuration includes:
- Vin: Input voltage pin.
- Vout: Output voltage pin.
- GND: Ground pin.
- Enable: Enable pin for turning the regulator on or off.
What are the Pros and Cons of REG103UA-A?
Pros:
- Low Dropout Voltage: Allows the regulator to operate with minimal voltage headroom.
- Stability: Provides a stable output voltage even under varying input conditions.
- Low Noise: Suitable for noise-sensitive applications requiring a clean power supply.
- Thermal Shutdown Protection: Helps prevent the regulator from overheating.
Cons:
- Heat Dissipation: May require a heat sink for efficient dissipation of heat due to voltage regulation.
- Current Limitations: The maximum output current may be limited compared to other types of regulators.
Are There Any Equivalents/Alternatives to REG103UA-A for Recommendation?
Equivalents to the REG103UA-A include the LM2937 from Texas Instruments and the LD1117 from STMicroelectronics. Alternatives to consider are the LT1761 from Analog Devices and the MIC5205 from Micrel.
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