KA78RM33RTM

$0.62

Description：IC REG LINEAR 3.3V 500MA DPAK
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:62d9c0e11ab2 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

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Product introduction

KA78RM33RTM 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 3.3V 500MA DPAK. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA78RM33RTM

Description：IC REG LINEAR 3.3V 500MA DPAK
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：20V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.6V @ 500mA
Current - Output：500mA
Current - Quiescent (Iq)：5 mA
Current - Supply (Max)：10 mA
PSRR：55dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package：DPAK
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for KA78RM33RTM

KA78RM33RTM

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

The KA78RM33RTM is a fixed positive low-dropout voltage regulator manufactured by onsemi, providing a stable 3.3 V output at up to 0.5 A. It operates within an input voltage range of 4.3 V to 16 V and supports junction temperatures from -40°C to +125°C. The device features a maximum dropout voltage of 0.6 V at full load, with line regulation of 20 mV and load regulation of 20 mV. Quiescent current is typically 10 mA, and ripple rejection reaches 55 dB at 120 Hz.

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

Integrated over-current protection, thermal shutdown, and Safe Operating Area (SOA) protection for enhanced reliability under fault conditions.

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

Portable electronic equipment requiring efficient power management
Battery-powered systems utilizing surface-mount DPAK packaging
General-purpose constant voltage power sources in consumer electronics

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

Verify the specific suffix RTM against the manufacturer's ordering information to confirm tape-and-reel packing and operating temperature range. Confirm RoHS compliance status as datasheets may vary by revision. Ensure the component meets all environmental and safety standards required for the intended application before finalizing procurement.

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

Select this component when a compact surface-mount solution is needed for 3.3 V regulation at moderate currents. The DPAK package offers a balance between thermal performance and board space efficiency. Consider the 0.6 V dropout characteristic for applications where input-output differential voltage must be minimized to improve system efficiency.

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

This part belongs to the KA78RM33 series of low-dropout regulators designed for various electronic equipment. Originally developed by Fairchild Semiconductor, the product line is now managed by onsemi. The series includes variants with different packaging options such as TO-220 and DPAK, catering to both through-hole and surface-mount assembly requirements.