Diodes Incorporated AP7372 Low-Noise ULDO Regulators

Introduction

The Diodes Incorporated AP7372 Low-Noise ULDO Regulators are engineered for high-performance applications where noise sensitivity is critical. With a wide input voltage range and low output noise, these regulators are perfect for various precision electronic circuits.

Part Description

The AP7372 operates within an input voltage range of 2.7V to 20V and can deliver an output current of up to 200mA. It boasts a remarkable power supply rejection ratio (PSRR) of 90dB at 10kHz, ensuring stable performance in demanding environments. The output noise is exceptionally low at just 8μVRMS, making it suitable for applications requiring high precision. The device also features a programmable soft-start function, low dropout voltage of 120mV at 200mA, and is stable with a 2.2μF ceramic output capacitor. The AP7372 is available in fixed output voltage options of 1.8V, 2.5V, 3.3V, and 5.0V.

Applications

• Regulation of noise-sensitive applications
• ADC (Analog-to-Digital Converter) circuits
• DAC (Digital-to-Analog Converter) circuits
• Precision amplifiers
• Power for VCO (Voltage-Controlled Oscillator) VTUNE controls

Industries

• Communications and infrastructure
• Medical and healthcare
• Industrial and instrumentation

Usage Ideas

1. Precision Audio Equipment: Use the AP7372 to power audio processing circuits in high-fidelity audio equipment, ensuring minimal noise interference.
2. Medical Devices: Implement the regulator in medical monitoring devices that require accurate analog signal processing, such as ECG machines.
3. RF Applications: Utilize the AP7372 in RF (Radio Frequency) applications to stabilize voltage for VCOs, enhancing signal integrity and performance.

Conclusion

The Diodes Incorporated AP7372 Low-Noise ULDO Regulators are an excellent choice for applications where noise performance is paramount. With their robust specifications and versatility, they are well-suited for a variety of industries, including medical, industrial, and communications. Whether you're designing precision amplifiers or ADC/DAC circuits, the AP7372 provides the reliability and performance needed for high-quality electronic systems.