LP3985IM5X-2.8

$0.22

Description：IC REG LINEAR 2.8V 150MA SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:8f6a10670e64 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Texas Instruments

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Product introduction

LP3985IM5X-2.8 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 2.8V 150MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for LP3985IM5X-2.8

Description：IC REG LINEAR 2.8V 150MA SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：6V
Voltage - Output (Min/Fixed)：2.8V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.1V @ 150mA
Current - Output：150mA
Current - Quiescent (Iq)：150 µA
Current - Supply (Max)：250 µA
PSRR：50dB ~ 40dB (1kHz ~ 10kHz)
Control Features：Enable
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for LP3985IM5X-2.8

LP3985IM5X-2.8

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

The LP3985IM5X-2.8 is a micropower, low-noise, ultra low-dropout CMOS voltage regulator manufactured by Texas Instruments. It provides a fixed 2.8V output with a guaranteed maximum load current of 150mA. The device operates from an input voltage range of 2.5V to 6.0V and features a typical quiescent current of 85µA. It achieves fast turn-on times under 200µs and maintains power supply rejection ratios exceeding 50dB at 1kHz. The component is housed in a SOT-23-5 package and is rated for junction temperatures between -40°C and +125°C.

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

Logic-controlled enable pin allows for system power management and extended battery life during shutdown.
Ultra-low dropout voltage design optimizes performance for battery-powered portable applications.
Integrated thermal shutdown and short-circuit current limit protect the device under fault conditions.
Stable operation is ensured with small ceramic or high-quality tantalum output capacitors.

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

CDMA cellular handsets
Wideband CDMA cellular handsets
GSM cellular handsets
Portable information appliances

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

Verify that the ordering suffix matches the required package type and output tolerance. Confirm RoHS compliance status if restricted materials are prohibited in the target assembly. Ensure the supplier provides valid traceability documentation for the manufacturing lot. Check datasheet revisions to confirm electrical characteristics align with current production standards.

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

Select this regulator when board space is limited due to its miniature SOT-23-5 footprint. Choose this part for applications requiring low noise and fast transient response without sacrificing efficiency. Verify that the input voltage remains within the specified 2.5V to 6.0V range for stable regulation. Consider the thermal resistance characteristics when designing for high ambient temperatures.

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

This component belongs to the LP3985 family of micropower LDO regulators designed for portable wireless devices. The series offers various fixed output voltages ranging from 2.5V to 5.0V. It is engineered to minimize board area while delivering high performance in space-constrained environments. The family supports both micro SMD and SOT-23 packaging options.