LM1117LDX-1.8/NOPB

$1.22

Description：IC REG LINEAR 1.8V 800MA 8-WSON
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:befb6f51996b Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 1.8V 800MA 8-WSON
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：15V
Voltage - Output (Min/Fixed)：1.8V
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：8-WDFN Exposed Pad
Supplier Device Package：8-WSON (4x4)
Grade：-
Qualification：-

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LM1117LDX-1.8/NOPB

Overview

The LM1117LDX-1.8/NOPB is a fixed-output low-dropout linear regulator providing 1.8 V at up to 800 mA load current. It features a maximum dropout voltage of 1.2 V and operates within a junction temperature range of 0°C to +125°C. The device incorporates internal current limiting and thermal shutdown protection, with output voltage accuracy maintained within ±1% via a Zener-trimmed bandgap reference.

Feature Summary

Fixed 1.8 V output configuration
Integrated current limiting and thermal shutdown
Zener-trimmed bandgap reference for precision

Applications

AC drive power stage modules
Merchant network and server PSU
Industrial AC/DC systems
Ultrasound scanners
Servo drive control modules

Procurement Notes

Verify the specific suffix 'LDX' against the manufacturer's official orderable addendum or datasheet package table. Standard LM1117 documentation lists packages such as SOT-223 (DCY), TO-220 (NDE), TO-252 (NDP), WSON-8 (NGN), and TO-263 (KTT). Confirm that the requested package matches an officially supported variant to ensure component authenticity and availability.

Selection Notes

Select this component for applications requiring a stable 1.8 V rail with moderate current demands. Ensure the input voltage provides sufficient headroom above the 1.2 V dropout voltage under maximum load conditions. Verify that the operating environment remains within the specified 0°C to +125°C junction temperature range for reliable performance.

Part Context

This part belongs to the LM1117 family of 800-mA low-dropout linear regulators manufactured by Texas Instruments. The series offers both adjustable and fixed output options in various space-saving packages including SOT-223 and WSON. It serves as a legacy solution for general-purpose power management before being superseded by newer alternatives like the TLV1117.