• ACT8865QI305-T QFN-32
ACT8865QI305-T QFN-32


High-performance Power Management IC

Quantity Unit Price(USD) Ext. Price
1 $3.373 $3.37
10 $3.297 $32.97
30 $3.248 $97.44
100 $3.196 $319.60


*The price is for reference only.
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Please submit RFQ for ACT8865QI305-T or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of ACT8865QI305-T

The ACT8865QI305-T is a highly integrated step-down DC/DC converter featuring a 3A output current and a wide input voltage range. It is designed to provide a compact and efficient power supply solution for various applications, including portable devices, consumer electronics, and industrial systems.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • SW: Switch pin for the step-down converter
  • VIN: Input voltage supply
  • PGND: Power ground
  • BOOT: Bootstrap capacitor connection
  • LX: Inductor connection
  • COMP: Compensation pin for control loop
  • FB: Feedback voltage pin
  • AGND: Analog ground
  • VOUT: Output voltage
  • EN: Enable pin for control
  • PGOOD: Power good indicator

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ACT8865QI305-T for a visual representation.

Key Features

  • Highly Integrated: The ACT8865QI305-T integrates a step-down converter with internal power MOSFETs, reducing external component count and board space.
  • Wide Input Voltage Range: Operates from a wide input voltage range, accommodating various power supply sources.
  • High Output Current: Supports an output current of up to 3A, suitable for powering a wide range of loads.
  • Efficiency: Provides high efficiency across a wide load range, contributing to power savings and thermal management.
  • Protection Features: Incorporates overcurrent protection, thermal shutdown, and other protection mechanisms for enhanced reliability.
  • Compact Package: Available in a compact, thermally enhanced package for space-constrained designs.

Note: For detailed technical specifications, please refer to the ACT8865QI305-T datasheet.


  • Portable Devices: Ideal for powering portable electronic devices such as smartphones, tablets, and portable media players.
  • Consumer Electronics: Suitable for use in consumer electronics products, including digital cameras, set-top boxes, and gaming consoles.
  • Industrial Systems: Used in industrial applications such as factory automation, robotics, and control systems requiring efficient power supplies.


The ACT8865QI305-T functions as a highly efficient step-down DC/DC converter, providing a regulated output voltage from a wide input voltage range. It offers a compact and integrated solution for various power supply needs.

Usage Guide

  • Input Power: Connect VIN to the input power source with appropriate decoupling and filtering.
  • Output Connection: Connect VOUT to the load while ensuring proper decoupling and output filtering.
  • Enable Control: Use the EN pin to enable or disable the converter as needed.

Frequently Asked Questions

Q: What is the efficiency of the ACT8865QI305-T at full load?
A: The ACT8865QI305-T offers high efficiency, typically above 90% at full load conditions.

Q: Is the ACT8865QI305-T suitable for battery-powered applications?
A: Yes, the ACT8865QI305-T is well-suited for battery-powered applications with its high efficiency and integrated features.


For similar functionalities, consider these alternatives to the ACT8865QI305-T:

  • ACT8865QI352-T: This is a similar step-down DC/DC converter from Active-Semi offering similar features with slight variations in package and specifications.
  • RT8060: This is a high-efficiency step-down converter from Richtek, providing comparable performance and functionality to the ACT8865QI305-T.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer QORVO INC Package Description HVQCCN, LCC32,.16SQ,16
Reach Compliance Code ECCN Code EAR99
HTS Code 8542.39.00.01 Date Of Intro 2019-09-09
Samacsys Manufacturer Qorvo Adjustable Threshold YES
Length 4 mm Number of Channels 7
Number of Functions 1 Number of Terminals 32
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
Package Body Material UNSPECIFIED Package Code HVQCCN
Package Equivalence Code LCC32,.16SQ,16 Package Shape SQUARE
Seated Height-Max 0.8 mm Supply Current-Max (Isup) 7 mA
Supply Voltage-Max (Vsup) 5.5 V Supply Voltage-Min (Vsup) 2.5 V
Supply Voltage-Nom (Vsup) 3.6 V Surface Mount YES
Temperature Grade INDUSTRIAL Terminal Form NO LEAD
Terminal Pitch 0.4 mm Terminal Position QUAD
Threshold Voltage-Nom +2.45V Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 4 mm

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