Texas Instruments

PTN04050AAZ

PTN04050AAZ Description

The PTN04050AAZ from Texas Instruments is a high-efficiency, single-output DC-DC converter designed for industrial and commercial applications. This obsolete model operates within an input voltage range of 2.9V to 7V, delivering a regulated output voltage of -15V to -3.3V with a maximum current output of 1A. With an impressive 80% efficiency, it minimizes power loss, making it suitable for energy-sensitive designs. The compact surface-mount package (22.1mm x 12.7mm x 9.1mm) ensures easy integration into space-constrained systems.

PTN04050AAZ Features

• Wide Input Range (2.9V–7V): Supports flexible power sources, including batteries and low-voltage rails.
• High Efficiency (80%): Reduces thermal dissipation and improves energy utilization.
• Protection Features: Includes Over-Temperature Protection (OTP) and Undervoltage Lockout (UVLO) for enhanced reliability.
• ROHS3 Compliant & REACH Unaffected: Meets environmental and safety standards for global deployment.
• Moisture Sensitivity Level (MSL 3): Suitable for industrial environments with moderate humidity exposure.
• Compact Design: Ideal for applications requiring high power density.

PTN04050AAZ Applications

This converter is optimized for ITE (Commercial) applications, including:

• Telecom & Networking Equipment: Provides stable negative voltage rails for signal conditioning and analog circuits.
• Industrial Automation: Powers sensors, actuators, and control systems with low-noise output.
• Test & Measurement Devices: Ensures precise voltage regulation for sensitive instrumentation.
• Embedded Systems: Suitable for portable and battery-operated devices due to its wide input range.

Conclusion of PTN04050AAZ

The PTN04050AAZ stands out for its robust performance, compact form factor, and compliance with industry standards. While marked as obsolete, its OTP and UVLO protections, combined with high efficiency, make it a reliable choice for legacy or low-volume designs. Engineers seeking a proven solution for negative voltage conversion in commercial and industrial systems will find this converter a dependable option. For new designs, consider Texas Instruments' latest alternatives with advanced features.