LM1117IMPX-3.3
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Texas Instruments LM1117IMPX-3.3

Manufacturer No:
LM1117IMPX-3.3
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC REG LIN 3.3V 800MA SOT223-4
Delivery:
Payment:
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Product Introduction

Overview

The LM1117IMPX-3.3 from Texas Instruments is a low-dropout linear voltage regulator designed to provide a stable output voltage of 3.3V. This device is part of the LM1117 series, which is known for its high performance and reliability in various power management applications. The LM1117IMPX-3.3 is available in a space-saving SOT-223 package and offers features such as current limiting and thermal protection, making it suitable for a wide range of electronic systems.

Key Specifications

Parameter Value Unit
Output Voltage 3.3 V
Output Current 800 mA
Dropout Voltage 1.2 (at 800 mA) V
Line Regulation 0.2% (maximum) %
Load Regulation 0.4% (maximum) %
Temperature Range –40°C to +125°C °C
Package SOT-223
Quiescent Current 5-15 mA
Ripple Rejection 60-75 dB (at 120 Hz) dB

Key Features

  • Low dropout voltage of 1.2V at 800mA load current
  • Space-saving SOT-223 package
  • Current limiting and thermal shutdown protection
  • High accuracy output voltage with ±1% tolerance
  • Minimum 10-µF tantalum capacitor required at the output for stability
  • ESD protection exceeding Human Body Model (HBM) tests

Applications

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

Q & A

  1. What is the output voltage of the LM1117IMPX-3.3?

    The output voltage of the LM1117IMPX-3.3 is 3.3V.

  2. What is the maximum output current of the LM1117IMPX-3.3?

    The maximum output current is 800mA.

  3. What is the dropout voltage of the LM1117IMPX-3.3 at 800mA load current?

    The dropout voltage is 1.2V at 800mA load current.

  4. What are the key protection features of the LM1117IMPX-3.3?

    The device features current limiting and thermal shutdown protection.

  5. What is the recommended capacitor value for the output of the LM1117IMPX-3.3?

    A minimum of 10-µF tantalum capacitor is recommended for the output to improve transient response and stability.

  6. What is the operating temperature range of the LM1117IMPX-3.3?

    The operating temperature range is –40°C to +125°C.

  7. What package type is the LM1117IMPX-3.3 available in?

    The device is available in a SOT-223 package.

  8. What is the quiescent current of the LM1117IMPX-3.3?

    The quiescent current ranges from 5mA to 15mA.

  9. What is the ripple rejection of the LM1117IMPX-3.3?

    The ripple rejection is 60-75 dB at 120 Hz.

  10. What are some common applications of the LM1117IMPX-3.3?

    Common applications include AC drive power stage modules, merchant network and server power supplies, industrial AC/DC power supplies, ultrasound scanners, and servo drive control modules.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):15V
Voltage - Output (Min/Fixed):3.3V
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:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:TO-261-4, TO-261AA
Supplier Device Package:SOT-223-4
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Similar Products

Part Number LM1117IMPX-3.3 LM1117MPX-3.3
Manufacturer Texas Instruments Texas Instruments
Product Status Discontinued at Digi-Key Active
Output Configuration Positive Positive
Output Type Fixed Fixed
Number of Regulators 1 1
Voltage - Input (Max) 15V 15V
Voltage - Output (Min/Fixed) 3.3V 3.3V
Voltage - Output (Max) - -
Voltage Dropout (Max) 1.2V @ 800mA 1.2V @ 800mA
Current - Output 800mA 800mA
Current - Quiescent (Iq) 5 mA 5 mA
Current - Supply (Max) 10 mA 10 mA
PSRR 75dB (120Hz) 75dB (120Hz)
Control Features - -
Protection Features Over Current, Over Temperature Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C 0°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case TO-261-4, TO-261AA TO-261-4, TO-261AA
Supplier Device Package SOT-223-4 SOT-223-4

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