KA34063A

$0.56

Description：IC REG BUCK BOOST ADJ 1.5A 8DIP
Series：-
Mfr：onsemi
Package：Tube,Tube

SKU:a5daee1c466e Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

KA34063A is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG BUCK BOOST ADJ 1.5A 8DIP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for KA34063A

Description：IC REG BUCK BOOST ADJ 1.5A 8DIP
Series：-
Mfr：onsemi
Package：Tube,Tube
Function：Step-Up, Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：-
Voltage - Output (Max)：-
Current - Output：1.5A (Switch)
Frequency - Switching：100Hz ~ 100kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：8-DIP (0.300", 7.62mm)
Supplier Device Package：8-DIP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for KA34063A

KA34063A

Voltage Regulators - DC DC Switching Regulators Overview

The KA34063A is a discontinued monolithic DC-DC switching regulator IC manufactured by onsemi. It supports buck, boost, and inverting topologies with an adjustable output voltage. The device operates from a 3V to 40V input range and provides a switch current of 1.5A. It features a 100Hz to 100kHz switching frequency and functions within a 0°C to 70°C temperature range. The component is housed in an 8-DIP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates internal temperature-compensated reference, comparator, oscillator, and high-current output switch for minimal external component count.
Supports step-down, step-up, and voltage-inverting converter configurations via simple resistor programming.
Includes active current limiting circuitry to protect the internal switch under overload conditions.

Voltage Regulators - DC DC Switching Regulators Applications

General-purpose DC-DC step-down (buck) converters
DC-DC step-up (boost) converters
Inverting voltage regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify end-of-life status before design finalization. Confirm availability of qualified replacement components such as MC34063 variants. Review manufacturer discontinuation notices for timeline constraints. Ensure supply chain stability for legacy production runs. Validate pin compatibility if substituting with similar packages.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component only for non-critical or maintenance applications due to its obsolete status. Evaluate thermal performance within the specified operating temperature range. Consider the 1.5A switch current limit when sizing external inductors and diodes. Verify that the 8-DIP package fits the target PCB layout constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

The KA34063A belongs to the widely used 34063 family of switching regulators. It serves as a cost-effective solution for low-power conversion tasks. The part shares functional similarities with industry-standard equivalents like the MC34063. Its simplicity makes it suitable for basic power management needs where efficiency is not the primary constraint.