HV9110NG-G

DC DC Switching Controllers Overview

The HV9110NG-G is a high-voltage current-mode PWM controller manufactured by Microchip Technology, designed for switch-mode power supply applications. It operates within a junction temperature range of -55°C to +125°C and utilizes a 14-SOIC surface-mount package. The device features a switching frequency of 3 MHz with a maximum duty cycle of 49.6%. It provides a single output capable of delivering 2 mA at 4.08 V. The component is moisture-sensitive and classified under PMIC voltage controllers.

DC DC Switching Controllers Feature Summary

• Implements high-voltage current-mode PWM control architecture
• Supports flyback converter topology management
• Features integrated high-voltage startup circuitry

DC DC Switching Controllers Applications

• Flyback switch-mode power supply control
• High-voltage LED driver circuits
• General-purpose isolated DC-DC conversion systems

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G' indicates RoHS compliance status as per the manufacturer's data sheet. Confirm that the 14-SOIC package dimensions align with PCB footprint requirements. Check for moisture sensitivity level (MSL) handling precautions during assembly. Ensure the 3 MHz switching frequency meets system noise and efficiency targets. Validate that the 49.6% max duty cycle supports the required input-to-output voltage ratio.

DC DC Switching Controllers Selection Notes

Select this component when a fixed 3 MHz switching frequency is required for compact magnetics design. Consider the current-mode control scheme for inherent overcurrent protection capabilities. Evaluate the 14-SOIC package for thermal dissipation needs in high-temperature environments up to 125°C. Compare against HV9112 or HV9113 if variable frequency or different duty cycle limits are necessary.

DC DC Switching Controllers Part Context

The HV9110NG-G belongs to the HV911x family of high-voltage SMPS controllers from Microchip Technology. This series includes variants like the HV9112 and HV9113, which share similar architectural foundations but differ in switching frequencies and duty cycle constraints. The family is designed for robust performance in isolated power conversion topologies.

DC DC Switching Controllers Replacement Considerations

Public confirmed substitutes include HV9110NG and HV9110NG-M905. Verify pinout compatibility and electrical parameter equivalence before substitution. Note that some distributors list these as discontinued or end-of-life items, requiring careful inventory assessment.