LM1117IDTX-5.0
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National Semiconductor LM1117IDTX-5.0

Manufacturer No:
LM1117IDTX-5.0
Manufacturer:
National Semiconductor
Package:
Bulk
Description:
IC REG LINEAR 5V 800MA TO252-3
Delivery:
Payment:
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Product Introduction

Overview

The LM1117IDTX-5.0 is a low dropout voltage regulator produced by National Semiconductor, now part of Texas Instruments. This device is designed to provide a stable 5V output voltage with a maximum current of 800 mA. It features a low dropout voltage of 1.2 V at 800 mA, making it suitable for a wide range of applications where voltage regulation is critical. The LM1117IDTX-5.0 is available in a TO-252 (D-PAK) package and offers current limiting and thermal shutdown protection, ensuring reliable operation under various conditions.

Key Specifications

Parameter Value Units
Output Voltage 5 V V
Output Current 800 mA mA
Dropout Voltage 1.2 V (at 800 mA) V
Line Regulation 0.2% (maximum) %
Load Regulation 0.4% (maximum) %
Temperature Range 0°C to +125°C (LM1117), -40°C to +125°C (LM1117I) °C
Package Type TO-252 (D-PAK) -
Minimum Output Capacitance 10 µF (tantalum) µF

Key Features

  • Available in fixed 5V output and adjustable versions (1.25 V to 13.8 V with external resistors)
  • Space-saving SOT-223 and WSON packages (though the LM1117IDTX-5.0 is in TO-252 package)
  • Current limiting and thermal shutdown protection
  • Zener trimmed band-gap reference for output voltage accuracy to within ±1%
  • Minimum of 10-µF tantalum capacitor required at the output for improved transient response and stability

Applications

  • Post regulator for switching DC/DC converters
  • High efficiency linear regulators
  • Battery chargers
  • Battery-powered instrumentation
  • Active termination for SCSI-2 bus

Q & A

  1. What is the maximum output current of the LM1117IDTX-5.0?

    The maximum output current is 800 mA.

  2. What is the dropout voltage of the LM1117IDTX-5.0 at 800 mA?

    The dropout voltage is 1.2 V at 800 mA.

  3. What is the temperature range for the LM1117IDTX-5.0?

    The temperature range is 0°C to +125°C.

  4. What type of package does the LM1117IDTX-5.0 come in?

    The LM1117IDTX-5.0 comes in a TO-252 (D-PAK) package.

  5. What is the minimum output capacitance required for the LM1117IDTX-5.0?

    A minimum of 10-µF tantalum capacitor is required at the output.

  6. Does the LM1117IDTX-5.0 have built-in protection features?

    Yes, it includes current limiting and thermal shutdown protection.

  7. How accurate is the output voltage of the LM1117IDTX-5.0?

    The output voltage accuracy is within ±1% due to the Zener trimmed band-gap reference.

  8. Can the LM1117IDTX-5.0 be used in battery-powered devices?

    Yes, it is suitable for battery-powered instrumentation and other battery-powered applications.

  9. What are some common applications of the LM1117IDTX-5.0?

    Common applications include post regulators for switching DC/DC converters, high efficiency linear regulators, battery chargers, and active termination for SCSI-2 bus.

  10. Is the LM1117IDTX-5.0 available in adjustable output voltage versions?

    Yes, the LM1117 series includes adjustable versions that can set the output voltage from 1.25 V to 13.8 V with external resistors.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):15V
Voltage - Output (Min/Fixed):5V
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-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:TO-252-3
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Similar Products

Part Number LM1117IDTX-5.0 LM1117DTX-5.0 LM1117IDT-5.0
Manufacturer National Semiconductor National Semiconductor National Semiconductor
Product Status Obsolete Active Active
Output Configuration Positive - -
Output Type Fixed - -
Number of Regulators 1 - -
Voltage - Input (Max) 15V - -
Voltage - Output (Min/Fixed) 5V - -
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-252-3, DPak (2 Leads + Tab), SC-63 - -
Supplier Device Package TO-252-3 - -

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