LM1117MP-2.85/NOPB

Description：IC REG LIN 2.85V 800MA SOT-223
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:4c87053fcff7 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC REG LIN 2.85V 800MA SOT-223
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：15V
Voltage - Output (Min/Fixed)：2.85V
Voltage - Output (Max)：-
Voltage Dropout (Max)：1.2V @ 800mA
Current - Output：800mA
Current - Quiescent (Iq)：5 mA
Current - Supply (Max)：10 mA
PSRR：75dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature
Operating Temperature：0°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-261-4, TO-261AA
Supplier Device Package：SOT-223
Grade：-
Qualification：-

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LM1117MP-2.85/NOPB

Overview

The LM1117MP-2.85/NOPB is a fixed-output low-dropout linear regulator from Texas Instruments, providing a nominal 2.85V output with an 800mA maximum load current capability. It utilizes a SOT-223 package and operates within a junction temperature range of 0°C to 125°C. The device features a typical dropout voltage of 1.2V at full load and includes internal current limiting and thermal shutdown protection.

Feature Summary

Integrated Zener-trimmed bandgap reference ensures high output voltage accuracy
Internal current limiting and thermal shutdown protect against overload conditions
Requires minimal external components for stable operation

Applications

Post regulator for switching DC-DC converters
High efficiency linear regulators
Battery chargers
Portable instrumentation power supplies

Procurement Notes

Verify the specific suffix 'MP' corresponds to the SOT-223 package variant when sourcing. Confirm that the 'NOPB' designation indicates lead-free and RoHS compliance status as per manufacturer specifications. Ensure the operating environment remains within the specified 0°C to 125°C junction temperature limits for reliable performance.

Selection Notes

Select this component for applications requiring a fixed 2.85V rail with moderate current demands up to 800mA. Consider the thermal resistance characteristics of the SOT-223 package when designing heat dissipation strategies. Verify input voltage headroom exceeds the dropout requirement across the entire operating temperature range.

Part Context

This part belongs to the LM1117 family of low-dropout regulators, which are widely used for general-purpose power management. The family offers both adjustable and fixed voltage options in various packages including TO-220, TO-252, and WSON. The LM1117 series is known for its robustness and simplicity in linear regulation tasks.