LT1083CP#PBF – 7.5A Adjustable LDO Voltage Regulator – Analog Devices

Ensure stable power delivery in demanding circuits with the LT1083CP#PBF from Analog Devices. This high-current, low-dropout (LDO) voltage regulator provides precise adjustable output up to 28.5V, making it ideal for industrial systems, test equipment, and embedded designs. PCX exclusively stocks this obsolete component, guaranteeing genuine Analog Devices quality with rapid shipping and dedicated technical support.

Key Features

• High Output Current: 7.5A continuous load capacity
• Wide Input Range: Up to 30V input voltage tolerance
• Adjustable Output: 1.25V to 28.5V adjustable range
• Low Dropout: 1.5V max dropout at full load (7.5A)
• Robust Protection: Integrated over-temperature shutdown
• High PSRR: 75dB noise rejection at 120Hz

Technical Specifications

• Package: TO-3P-3 (SC-65-3) through-hole mounting
• Operating Temperature: Industrial-grade range (0°C to +125°C)
• Output Type: Single positive adjustable regulator
• Base Part: LT1083 series voltage regulator IC
• Status: Obsolete – available while supplies last

Typical Applications

• Industrial motor controllers and PLC systems
• Bench power supplies and test instrumentation
• Embedded computing and server power distribution
• Telecommunications infrastructure
• High-current DC/DC converter modules

About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog semiconductors, with over 50 years of innovation in signal processing and power management technologies. Their components are renowned for precision, reliability, and rigorous quality control, serving mission-critical applications from aerospace to medical devices.

ADI’s voltage regulator portfolio, including the LT1083 series, sets industry standards for efficiency and thermal performance. Engineers worldwide trust Analog Devices ICs for uncompromising stability in extreme environments, backed by comprehensive design resources and long-term technical validation.

About LDO Voltage Regulators

Low Dropout (LDO) regulators maintain stable output voltages with minimal input-to-output differentials, crucial for battery-powered systems and noise-sensitive circuits. Unlike switching regulators, LDOs like the LT1083CP#PBF provide ripple-free output without inductors, simplifying board layout and reducing EMI.

High-current LDOs are essential for CPU core voltage regulation, sensor arrays, and power sequencing where transient response and thermal management are critical. Their simplicity and reliability make them preferred solutions for industrial control systems, automotive electronics, and precision instrumentation requiring clean power rails.

Packaging

This voltage regulator IC is supplied in Bulk packaging for prototyping or low-volume production. Contact PCX for reel options or custom packaging requirements.

FAQs

Q: Is the LT1083CP#PBF pin-compatible with LM317 regulators?
A: No, the LT1083 requires different external components for stability at high currents. Always consult the datasheet on PCXCo.com.

Q: What heatsink is recommended for 7.5A operation?
A: Use a heatsink with <2°C/W thermal resistance. Thermal calculations depend on input-output differential and ambient temperature.

Q: Can this regulator operate from a 24V AC rectified supply?
A: Yes, its 30V max input accommodates typical 24VAC rectified voltages (approx. 34V peak). Include input filtering for surge protection.

Q: Does PCX provide lifecycle status updates for obsolete parts?
A: Yes, we proactively notify customers about last-time-buy dates and recommended replacements via our inventory alerts system.

Q: What’s the difference between LT1083 “P” and non-P suffixes?
A: The “P” designates the TO-3P package variant. Other suffixes denote different packages or temperature ranges.

Q: Can I parallel multiple LT1083s for higher current?
A: Not recommended due to current sharing imbalances. Use a single regulator with external pass transistors for currents above 7.5A.

Note: Product images are representational. Refer to datasheets for exact dimensions.

Order Today for Fast Delivery!

Secure your LT1083CP#PBF voltage regulators now – PCX ships genuine Analog Devices components worldwide within 24 hours. Contact our support team for volume pricing and design assistance!