HV9123NG

Overview of HV9123NG

HV9123NG is a Switching Controller optimized for high-speed operations and low-voltage switching. It provides excellent performance for power supply applications where low quiescent power dissipation is required.

Pinout

The HV9123NG pinout refers to the configuration and function of each pin in its SOIC-16 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the HV9123NG has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• Clock oscillator consisting of CMOS inverters, timing capacitors, and a capacitor discharge FET: This feature enables the device to oscillate at a frequency determined by a single external resistor.
• BICMOS package type with specifications for dimensions and JEDEC registration information
• 0.01A switching current limit: This limiting ensures safe operation of the device in various applications.
• 3000kHz maximum switching frequency: This high-frequency capability makes HV9123NG suitable for fast-switching power supplies and other demanding applications.
• PDSO16 package with 16 leads: The SOIC-16 package provides a compact and reliable solution for designers seeking to integrate the HV9123NG into their circuit.

Applications

• Power supply applications: The HV9123NG is commonly used in power supply applications where low quiescent power dissipation is required, such as in audio equipment or other high-speed systems.

Advantages and Disadvantages

Advantages

• >High-speed switching capabilities at 3000kHz maximum frequency: This allows for precise control over power supply switching operations.
• >Low quiescent current consumption (Icc): Reduces energy waste and heat generation, making it suitable for applications requiring low power dissipation.

Disadvantages

• >Limited inrush current handling due to its 0.01A switching current limit: Designers should take care when designing circuits that require higher inrush current limits.

Equivalents

For similar functionalities, consider these alternatives to the HV9123NG:

• Multimode oscillator or timer ICs: These components share features like clock oscillator and timing capacitors but may not have some of the specific advantages offered by the HV9123NG.

Frequently Asked Questions

Q: What is the typical application for the HV9123NG?
A: The HV9123NG is commonly used in power supply applications where low quiescent power dissipation is required, such as in audio equipment or other high-speed systems.

Q: Can I use the HV9123NG in a power supply application with an inrush current handling requirement above 0.01A?
A: No, due to its 0.01A switching current limit, it's not suitable for applications that require higher inrush current handling.

Q: What is the maximum frequency rating of the HV9123NG?
A: The maximum switching frequency of the HV9123NG is 3000kHz.

Q: Can I request a custom package or pin configuration for the HV9123NG?
A: Please consult with Microchip's sales team to discuss your specific requirements and feasibility of a custom package or pin configuration for the HV9123NG.