CDLL251 Overview
The CDLL251 is a precision, low-noise voltage regulator designed for industrial and consumer electronics requiring stable power delivery. This device ensures tight output voltage regulation with minimal ripple, making it suitable for sensitive analog and digital circuits. Its robust design supports efficient thermal management and reliable operation across a broad temperature range. The compact package and simplified external component requirements aid seamless integration into complex systems. Engineers and sourcing specialists will find this regulator ideal for enhancing system stability while reducing design complexity. For more detailed information, visit IC Manufacturer.
CDLL251 Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 25 | V |
| Output Voltage | Adjustable from 1.25 to 20 | V |
| Maximum Output Current | 1.5 | A |
| Line Regulation | 0.01 | %/V |
| Load Regulation | 0.1 | % |
| Dropout Voltage | 1.7 | V at 1.5 A |
| Quiescent Current | 5 | mA |
| Operating Temperature Range | -40 to +125 | ??C |
| Package Type | TO-220 | ?? |
CDLL251 Key Features
- Adjustable Output Voltage: Allows precise voltage settings from 1.25 V up to 20 V, enabling flexible application across different circuit requirements.
- High Output Current Capability: Supports up to 1.5 A, providing sufficient power for demanding loads without compromising stability.
- Low Dropout Voltage: Minimizes voltage loss during regulation, enhancing efficiency especially in battery-powered or low-voltage margin systems.
- Thermal Protection: Built-in thermal shutdown safeguards the device against overheating, improving system reliability and durability.
CDLL251 Advantages vs Typical Alternatives
This voltage regulator offers a combination of low dropout voltage and wide input range that many typical linear regulators lack, ensuring better efficiency and broader compatibility. Its adjustable output and robust current handling provide engineers with a versatile solution for precision power management. Additionally, the integrated thermal protection and low quiescent current contribute to enhanced reliability and energy savings compared to standard fixed regulators.
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Typical Applications
- Power supply modules for industrial control equipment requiring stable, noise-free voltage to maintain signal integrity and system performance.
- Battery-powered instrumentation where low dropout and low quiescent current extend operational lifetime and maintain voltage regulation.
- Consumer electronics requiring adjustable voltage rails with high current capability to support various functional blocks.
- Embedded systems and microcontroller power domains where thermal protection prevents damage under heavy load conditions.
CDLL251 Brand Info
The CDLL251 is a product of a leading semiconductor manufacturer specializing in reliable power management ICs. Designed for precision and durability, this regulator is part of a broad portfolio intended to support demanding industrial and commercial electronics applications. With a focus on quality and performance, this device upholds the brand??s commitment to delivering efficient, robust components that simplify design and improve system longevity.
FAQ
What is the typical dropout voltage of this regulator under full load?
The dropout voltage typically measures around 1.7 V at the maximum output current of 1.5 A. This low dropout characteristic helps maintain regulation efficiency, especially when the input voltage approaches the output voltage.
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Can the output voltage be adjusted, and if so, what is the adjustment range?
Yes, the output voltage is adjustable. It can be set anywhere between 1.25 V and 20 V using external resistors, allowing for flexible voltage regulation suitable for various applications.
What protections are included to ensure device reliability?
The regulator features built-in thermal shutdown protection that prevents damage due to overheating. This safety mechanism enhances long-term reliability by automatically disabling the device if excessive temperature conditions are detected.
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What is the maximum output current this device can handle continuously?
This device supports a continuous output current of up to 1.5 A, providing sufficient power for a range of medium-load applications without compromising voltage stability or device safety.
Which package type does this regulator come in, and how does it affect heat dissipation?
The device is housed in a TO-220 package, which offers excellent thermal conductivity and ease of mounting to heat sinks. This package supports effective heat dissipation, allowing the regulator to operate reliably under higher current loads.
