LT1175CQ#TRPBF: High-Performance Negative Adjustable Linear Voltage Regulator by Analog Devices Inc.

The LT1175CQ#TRPBF from Analog Devices Inc. is a top-tier negative adjustable linear voltage regulator designed for precision power management in applications requiring stable negative voltage regulation. This IC is part of the Integrated Circuits (ICs) category under PMIC - Voltage Regulators - Linear, making it indispensable for advanced electronic systems.

Why Choose the LT1175CQ#TRPBF?

The LT1175CQ#TRPBF stands out for its exceptional performance, reliability, and flexibility. Here s why engineers and designers prefer this regulator:

• Adjustable Output Voltage: Set your desired output between -3.8V to -19.3V for versatile applications.
• Low Dropout Voltage: Just 0.7V @ 500mA ensures efficient operation with minimal power loss.
• High Current Output: Delivers up to 500mA, suitable for moderate power demands.
• Wide Input Voltage Range: Supports up to -20V, accommodating diverse power sources.
• Low Quiescent Current: Only 80 A reduces standby power consumption.
• Robust Protection: Features current limit and enable control for safe operation.
• Industrial-Grade Durability: Operates in 0 C to 125 C environments, ideal for harsh conditions.

Detailed Specifications

1. Output Configuration

• Type: Negative Adjustable
• Range: -3.8V to -19.3V

2. Performance Metrics

• Dropout Voltage: 0.7V @ 500mA (Max)
• Output Current: 500mA (Max)
• Quiescent Current: 80 A

3. Input and Operating Conditions

• Input Voltage (Max): -20V
• Operating Temperature: 0 C to 125 C (TJ)

4. Package Options

• Mounting Type: Surface Mount
• Package/Case: TO-263-6, D Pak (5 Leads + Tab), TO-263BA
• Supplier Device Package: 5-DDPAK

Applications

The LT1175CQ#TRPBF is perfect for:

• Telecommunications: Power supplies for base stations and networking gear.
• Industrial Automation: Control systems and sensors requiring stable negative voltages.
• Medical Devices: Precision instruments where voltage stability is critical.
• Audio Equipment: Amplifiers and signal processing circuits.
• Portable Electronics: Battery-powered devices needing efficient regulation.

Technical Advantages

1. Precision Regulation

The LT1175CQ#TRPBF ensures 2% output voltage accuracy, critical for sensitive analog and digital circuits.

2. Energy Efficiency

With its low quiescent current (80 A) and low dropout voltage, this regulator minimizes power waste, extending battery life in portable applications.

3. Enhanced Thermal Performance

The 5-DDPAK package offers superior heat dissipation, ensuring reliability even under high load conditions.

Comparison with Competing Models

Compared to similar negative voltage regulators, the LT1175CQ#TRPBF offers:

• Lower Dropout Voltage: 0.7V vs. 1V+ in competitors.
• Higher Output Current: 500mA vs. 300mA in some models.
• Smaller Footprint: Surface-mount design saves PCB space.

Design Tips for Optimal Performance

1. Input Capacitance: Use a 10 F ceramic capacitor near the input pin to reduce noise.
2. Output Capacitance: A 22 F tantalum capacitor improves transient response.
3. Thermal Management: Ensure adequate PCB copper area for heat dissipation in high-current applications.
4. Enable Pin: Utilize the enable feature to power down the regulator when not in use, saving energy.

Where to Buy

The LT1175CQ#TRPBF is available through authorized distributors like Digi-Key, Mouser, and Analog Devices official website. Always purchase from trusted sources to avoid counterfeit components.

Conclusion

The LT1175CQ#TRPBF from Analog Devices Inc. is a premier choice for engineers needing a high-performance, negative adjustable linear voltage regulator. Its combination of adjustability, efficiency, and robustness makes it ideal for telecommunications, industrial, medical, and audio applications. By integrating this regulator into your designs, you ensure reliable, precise, and energy-efficient power management.

Ready to upgrade your power supply design? Order the LT1175CQ#TRPBF today and experience Analog Devices engineering excellence!