KA7809ETU

Description：IC REG LINEAR 9V 1A TO220-3
Series：-
Mfr：onsemi
Package：Tube

SKU:4afe0b600868 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

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Product introduction

KA7809ETU 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 9V 1A TO220-3. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA7809ETU

Description：IC REG LINEAR 9V 1A TO220-3
Series：-
Mfr：onsemi
Package：Tube
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：35V
Voltage - Output (Min/Fixed)：9V
Voltage - Output (Max)：-
Voltage Dropout (Max)：2V @ 1A (Typ)
Current - Output：1A
Current - Quiescent (Iq)：8 mA
Current - Supply (Max)：-
PSRR：71dB (120Hz)
Control Features：-
Protection Features：Over Temperature, Short Circuit
Operating Temperature：-40°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 KA7809ETU

KA7809ETU

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

The KA7809ETU is a three-terminal positive linear voltage regulator from the KA78XXE series, manufactured by onsemi. It provides a fixed output voltage of 9 V with a maximum output current of 1 A. The device operates within an input voltage range of 11.5 V to 24 V and supports junction temperatures from -40°C to +125°C. Electrical characteristics include a line regulation of up to 180 mV and load regulation of up to 180 mV at 25°C. The quiescent current typically ranges from 5 mA to 8 mA. It utilizes a TO-220 package with dual gauge pins.

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

Internal thermal overload protection prevents damage during overheating conditions.
Integrated short-circuit protection limits current flow during output faults.
Output transistor safe operating area protection ensures stability under varying load conditions.

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

General-purpose DC power supply regulation
Local on-card regulation for distribution systems
Applications requiring fixed positive voltage outputs

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

Verify the specific part number suffix against the manufacturer's current ordering information to ensure compatibility with system requirements. Confirm that the component meets all necessary environmental and safety standards for the intended application before procurement. Check for any recent product discontinuance notifications or lifecycle changes associated with this specific model.

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

Select this component when a fixed 9 V output is required with up to 1 A load capability. Ensure the input voltage remains within the specified 11.5 V to 24 V range to maintain proper regulation. Consider the thermal resistance characteristics and provide adequate heat sinking if the power dissipation exceeds the limits for natural convection cooling in the TO-220 package.

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

This component belongs to the KA78XXE series of three-terminal positive regulators. The series offers multiple fixed output voltages including 5, 6, 8, 10, 12, 15, 18, and 24 V. These devices are designed for wide-ranging applications due to their robust internal protection features and ability to deliver high output currents with adequate thermal management.