L4902A

$2.08

Description：IC REG BUCK 5V 300MA 7HEPTAWATT
Series：-
Mfr：STMicroelectronics
Package：Tube

SKU:745e918e38d1 Category: Voltage Regulators - DC DC Switching Regulators Brand: STMicroelectronics

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Product introduction

L4902A is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is IC REG BUCK 5V 300MA 7HEPTAWATT. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for L4902A

Description：IC REG BUCK 5V 300MA 7HEPTAWATT
Series：-
Mfr：STMicroelectronics
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：2
Voltage - Input (Min)：-
Voltage - Input (Max)：24V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：300mA
Frequency - Switching：-
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Through Hole
Package / Case：Heptawatt-7 (Vertical, Bent and Staggered Leads)
Supplier Device Package：7-HEPTAWATT
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for L4902A

L4902A

Voltage Regulators - DC DC Switching Regulators Overview

The L4902A is a monolithic dual linear voltage regulator designed for microprocessor systems. It provides two fixed +5V outputs with a current capability of 0.3A per channel. The device integrates reset and data save functions, along with remote switch-on/off capabilities. It features low dropout characteristics to ensure stable regulation under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Dual output architecture providing independent regulated channels
Integrated system reset generation and data preservation logic
Remote control interface for power management switching

Voltage Regulators - DC DC Switching Regulators Applications

Microprocessor system power supply
Embedded controller circuits requiring reset signals
Data retention backup power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized STMicroelectronics distributors. Confirm package integrity and pin alignment against the official datasheet specifications. Check for obsolescence status as indicated by manufacturer lifecycle notices before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual isolated 5V rails are required alongside integrated reset functionality. Ensure input voltage exceeds the minimum dropout requirement for the expected load current. Verify thermal dissipation capabilities within the Heptawatt-7 package constraints for the specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to STMicroelectronics' linear voltage regulator portfolio, specifically tailored for embedded computing applications. It serves as a dedicated power management solution for systems requiring precise voltage regulation and hardware-level reset monitoring without external discrete components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult STMicroelectronics technical support for direct replacements or verify compatibility with newer series devices offering similar dual-regulator and reset features.

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Delivery time

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Freight calculation

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.