KA7905ATU

Description：IC REG LINEAR -5V 1A TO220-3
Series：-
Mfr：onsemi
Package：Tube

SKU:b78e38837155 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

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Product introduction

KA7905ATU 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 1A TO220-3. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA7905ATU

Description：IC REG LINEAR -5V 1A TO220-3
Series：-
Mfr：onsemi
Package：Tube
Output Configuration：Negative
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：-35V
Voltage - Output (Min/Fixed)：-5V
Voltage - Output (Max)：-
Voltage Dropout (Max)：2V @ 1A (Typ)
Current - Output：1A
Current - Quiescent (Iq)：6 mA
Current - Supply (Max)：-
PSRR：60dB (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 KA7905ATU

KA7905ATU

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

The KA7905ATU is a three-terminal negative voltage regulator from the KA79XXA series, manufactured by onsemi. It provides a fixed output voltage of -5 V with a tolerance of ±2%. The device supports an output current in excess of 1 A and operates within a temperature range of 0 to +125 °C. It utilizes a TO-220 package.

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

Incorporates internal thermal overload protection for safe operation under high temperature conditions.
Features short-circuit protection to safeguard against output faults.
Includes output transistor safe operating area compensation.

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

Negative fixed output power supplies
Split power supply systems
General regulation circuits

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

Verify that the KA7905ATU designation aligns with current onsemi ordering nomenclature following Fairchild Semiconductor integration. Confirm the specific suffix requirements for the desired packaging method and ensure compatibility with system input voltage ranges before procurement.

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

Select this component when a stable -5 V negative rail is required with high current capability. The ±2% tolerance makes it suitable for applications demanding tighter voltage accuracy than standard KA79XX variants. Ensure adequate heat sinking is provided given the TO-220 package thermal characteristics.

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

This part belongs to the KA79XX / KA79XXA / LM79XX family of three-terminal negative regulators. The 'A' suffix indicates improved specifications compared to the standard KA79XX series, specifically regarding output voltage tolerance. These devices are widely used in industrial and consumer electronics requiring reliable negative voltage generation.