LP3873ES-1.8/NOPB

$5.17

Description：IC REG LINEAR 1.8V 3A TO263
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:79a67e9b558e Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Texas Instruments

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Product introduction

LP3873ES-1.8/NOPB is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG LINEAR 1.8V 3A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for LP3873ES-1.8/NOPB

Description：IC REG LINEAR 1.8V 3A TO263
Series：-
Mfr：Texas Instruments
Package：Tube
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：7V
Voltage - Output (Min/Fixed)：1.8V
Voltage - Output (Max)：-
Voltage Dropout (Max)：1.2V @ 3A
Current - Output：3A
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-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：TO-263 (DDPAK-5)

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for LP3873ES-1.8/NOPB

LP3873ES-1.8/NOPB

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

The LP3873ES-1.8/NOPB is a fixed positive low dropout linear regulator manufactured by Texas Instruments, delivering a stable 1.8 V output with a maximum load current of 3 A. It operates within an input voltage range of 2.5 V to 7 V and features a typical dropout voltage of 0.55 V at full load. The device incorporates internal protection mechanisms including thermal shutdown and current limiting. It is housed in a TO-263-5 surface-mount package and supports an operating temperature range from -40 °C to +125 °C.

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

Provides high-efficiency power regulation through ultra-low dropout performance for minimal heat dissipation under heavy loads.
Integrates comprehensive protection circuitry to safeguard against thermal overload and excessive output current conditions.
Delivers stable regulated voltage with fast transient response capabilities suitable for demanding digital logic applications.

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

Power supply stages for field-programmable gate arrays (FPGAs) requiring precise voltage rails
Voltage regulation for complex digital signal processors (DSPs)
Power distribution networks for embedded microcontroller systems

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

Verify the specific output voltage configuration matches the design requirement of 1.8 V, as the LP3873 family includes multiple fixed voltage variants. Confirm that the TO-263-5 package footprint aligns with the printed circuit board layout. Ensure the thermal management strategy accounts for the power dissipation characteristics at the intended operating current and input voltage differential.

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

Select this component when a fixed 1.8 V rail is required with up to 3 A continuous current capability. It is appropriate for designs where input voltages remain between 2.5 V and 7 V. Consider the thermal resistance of the TO-263 package and the ambient operating environment to ensure junction temperatures remain within the specified -40 °C to +125 °C range during operation.

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

This part belongs to the LP3873 series of 3A fast ultra-low dropout linear regulators produced by Texas Instruments. The series offers various fixed output voltage options to support different logic families. The ES suffix indicates the TO-263 surface-mount package variant, while the NOPB designation confirms compliance with lead-free manufacturing standards.