L4940V5

$1.36

Description：IC REG LINEAR 5V 1.5A TO220
Series：-
Mfr：STMicroelectronics
Package：Tube

SKU:1c0859058ba4 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

L4940V5 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is IC REG LINEAR 5V 1.5A TO220. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for L4940V5

Description：IC REG LINEAR 5V 1.5A TO220
Series：-
Mfr：STMicroelectronics
Package：Tube
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：17V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.9V @ 1.5A
Current - Output：1.5A
Current - Quiescent (Iq)：8 mA
Current - Supply (Max)：50 mA
PSRR：68dB (120Hz)
Control Features：-
Protection Features：Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature：-40°C ~ 150°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for L4940V5

L4940V5

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

The L4940V5 is a three-terminal positive linear voltage regulator from STMicroelectronics, delivering a fixed 5V output with a maximum load current of 1.5A. It operates within an input voltage range up to 17V and features a typical dropout voltage of 450mV at 1A. The device incorporates internal protection mechanisms including thermal shutdown, short-circuit limiting, and reverse polarity protection. Designed for through-hole mounting in TO-220 packages, it supports an operating temperature range from -40°C to 150°C.

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

Very low dropout voltage capability for efficient power conversion
Integrated thermal shutdown and short-circuit protection circuits
Reverse polarity protection for enhanced system reliability

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

Secondary regulation for switch mode power supplies
Battery-powered equipment requiring low consumption
Distributed power supply systems with on-card regulation

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

Verify the specific suffix 'V5' confirms the 5V fixed output variant. Confirm package type matches TO-220 requirements. Check RoHS3 compliance status if required by project specifications. Ensure thermal management design accounts for the 150°C maximum junction temperature limit during operation.

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

Select this component when a fixed 5V output is required with high current capability up to 1.5A. Consider the TO-220 package for applications needing robust heat dissipation. Evaluate the 17V maximum input voltage against the source supply. Verify that the low dropout characteristic meets the minimum input-output differential requirements of the target circuit.

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

Part of the L4940 series of very low drop 1.5A regulators. The series offers multiple fixed output voltages in TO-220 and D2PAK packages. Designed for industrial and consumer applications where battery life extension and precise voltage regulation are critical.