LP3874EMP-3.3

$2.01

Description：IC REG LIN 3.3V 800MA SOT-223-5
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:3a18ba80e24b Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: National Semiconductor

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LP3874EMP-3.3 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists National Semiconductor. Its product description is IC REG LIN 3.3V 800MA SOT-223-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for LP3874EMP-3.3

Description：IC REG LIN 3.3V 800MA SOT-223-5
Series：-
Mfr：National Semiconductor
Package：Bulk
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：7V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.35V @ 800mA
Current - Output：800mA
Current - Quiescent (Iq)：9 mA
Current - Supply (Max)：15 mA
PSRR：73dB ~ 57dB (120Hz)
Control Features：Enable
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-261-5, TO-261AB
Supplier Device Package：SOT-223-5
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for LP3874EMP-3.3

LP3874EMP-3.3

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

The LP3874EMP-3.3 is a fixed positive linear regulator from the LP3874 series, manufactured by Texas Instruments (formerly National Semiconductor). It provides a fixed output voltage of 3.3V with a maximum continuous output current of 800mA. The device operates with an input voltage range up to 7V and features a typical dropout voltage of 0.24V at full load. It utilizes a SOT-223-5 surface-mount package and includes integrated protection against overcurrent, thermal overload, and short circuits.

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

Provides a stable fixed 3.3V output for low-noise power supply applications
Features ultra-low dropout voltage characteristics for efficient operation near input limits
Includes comprehensive internal protection mechanisms for system reliability

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

Portable battery-powered equipment requiring regulated 3.3V rails
Embedded systems utilizing microprocessors or DSPs
Communication modules and RF circuitry power conditioning

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

Verify component authenticity as this part may be obsolete. Confirm RoHS compliance status, as original versions may not meet current environmental standards. Check datasheet revisions for any functional updates before finalizing designs. Ensure sourcing channels provide traceable documentation for quality assurance purposes.

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

Select this regulator when a fixed 3.3V output is required with moderate current demands up to 800mA. Consider the SOT-223-5 package constraints for thermal management in compact layouts. Evaluate input voltage headroom against the specified dropout characteristics to ensure regulation stability under varying load conditions.

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

This component belongs to the LP3874 family of fast ultra-low dropout linear regulators. It shares architectural similarities with other variants in the series, differing primarily in output voltage settings and specific pinout configurations. The LP3874 series is designed for applications demanding high PSRR and low noise performance.