KA78T05

Description：IC REG LINEAR 5V 3A TO220-3
Series：-
Mfr：onsemi
Package：Bulk

SKU:d219c704c219 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

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Product introduction

KA78T05 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR 5V 3A TO220-3. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA78T05

Description：IC REG LINEAR 5V 3A TO220-3
Series：-
Mfr：onsemi
Package：Bulk
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：35V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Voltage Dropout (Max)：2.5V @ 3A
Current - Output：3A
Current - Quiescent (Iq)：6 mA
Current - Supply (Max)：-
PSRR：75dB (120Hz)
Control Features：-
Protection Features：Over Temperature, Short Circuit
Operating Temperature：0°C ~ 125°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220-3
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for KA78T05

KA78T05

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The KA78T05 is a monolithic integrated circuit fixed voltage regulator from the KA78TXX family, manufactured by onsemi. It provides a nominal output voltage of 5 V with a tolerance of ±4%. The device supports an output current in excess of 3.0 A and features internal short-circuit current limiting and thermal overload protection. It operates within a junction temperature range of 0 to +125 °C and utilizes a TO-220 package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

Internal short-circuit current limiting
Internal thermal overload protection
Output transistor safe operating area compensation

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

General-purpose power supplies
On-card regulation
Local point-of-load regulation

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the manufacturer origin as Fairchild Semiconductor products are now part of onsemi. Confirm the specific ordering suffix matches the required package and temperature grade. Ensure the component meets RoHS compliance requirements for the intended application environment before finalizing procurement orders.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when high output current capability exceeding 1 A is required. Ensure adequate heat sinking is provided to manage power dissipation up to 25 W. Verify input voltage levels remain within absolute maximum ratings to prevent device damage during operation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the KA78TXX series of three-terminal positive voltage regulators. The series includes variants for 5 V, 12 V, and 15 V outputs. These devices are designed for applications requiring robust performance and built-in protection mechanisms against electrical faults.