LM3480IM3X-3.3
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National Semiconductor LM3480IM3X-3.3

Manufacturer No:
LM3480IM3X-3.3
Manufacturer:
National Semiconductor
Package:
Bulk
Description:
IC REG LINEAR FIXED POS LDO 3.3V
Delivery:
Payment:
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Product Introduction

Overview

The LM3480IM3X-3.3 is an integrated linear voltage regulator produced by Texas Instruments (though originally developed by National Semiconductor). This device is designed to operate with input voltages as high as 30 V and provides a regulated output voltage of 3.3 V. It is capable of delivering up to 100 mA of output current and features a maximum dropout voltage of 1.2 V at full load. The LM3480IM3X-3.3 is packaged in a compact 3-lead SOT-23 package, making it a versatile choice for various electronic applications.

Key Specifications

Parameter Value Unit
Input Voltage Range -0.3 to 35 V
Output Voltage 3.3 V
Output Current 100 mA
Maximum Dropout Voltage 1.2 V
Junction Temperature Range -40 to 150 °C
Storage Temperature Range -65 to 150 °C
Package Type SOT-23-3

Key Features

  • Input voltage range up to 30 V
  • Output voltage options: 3.3 V, 5 V, 12 V, and 15 V (though the LM3480IM3X-3.3 is specifically 3.3 V)
  • Maximum dropout voltage of 1.2 V at full load of 100 mA
  • Compact 3-lead SOT-23 package
  • Minimum input and output capacitance of 0.1 µF for stability and transient performance
  • No specific ESR limitation for capacitors, though high ESR can compromise transient performance

Applications

The LM3480IM3X-3.3 is suitable for a variety of applications where a low-dropout voltage regulator is required. These include:

  • Portable electronics and battery-powered devices
  • Industrial control systems
  • Automotive systems
  • Medical devices requiring stable voltage regulation
  • General-purpose voltage regulation in embedded systems

Q & A

  1. What is the maximum input voltage for the LM3480IM3X-3.3?

    The maximum input voltage is 35 V.

  2. What is the output voltage of the LM3480IM3X-3.3?

    The output voltage is 3.3 V.

  3. What is the maximum output current of the LM3480IM3X-3.3?

    The maximum output current is 100 mA.

  4. What is the maximum dropout voltage at full load?

    The maximum dropout voltage at full load is 1.2 V.

  5. What is the recommended minimum capacitance for input and output stability?

    The minimum capacitance for both input and output is 0.1 µF.

  6. What is the package type of the LM3480IM3X-3.3?

    The package type is SOT-23-3.

  7. What are the operating temperature ranges for the LM3480IM3X-3.3?

    The junction temperature range is -40°C to 150°C, and the storage temperature range is -65°C to 150°C.

  8. Is there any specific ESR limitation for the capacitors used with the LM3480IM3X-3.3?

    There is no specific ESR limitation, but excessively high ESR can compromise transient performance.

  9. What are some common applications for the LM3480IM3X-3.3?

    Common applications include portable electronics, industrial control systems, automotive systems, medical devices, and general-purpose voltage regulation in embedded systems.

  10. How does the LM3480IM3X-3.3 compare to other linear voltage regulators like the LM78Lxx series?

    The LM3480IM3X-3.3 is a tiny alternative to the LM78Lxx series, offering similar functionality in a more compact package.

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):30V
Voltage - Output (Min/Fixed):3.3V
Voltage - Output (Max):- 
Voltage Dropout (Max):1.2V @ 100mA
Current - Output:100mA
Current - Quiescent (Iq):2 mA
Current - Supply (Max):- 
PSRR:- 
Control Features:- 
Protection Features:Over Current, Over Temperature
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
Supplier Device Package:SOT-23-3
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Similar Products

Part Number LM3480IM3X-3.3 LM3480IM3-3.3
Manufacturer National Semiconductor Texas Instruments
Product Status Active Not For New Designs
Output Configuration Positive Positive
Output Type Fixed Fixed
Number of Regulators 1 1
Voltage - Input (Max) 30V 30V
Voltage - Output (Min/Fixed) 3.3V 3.3V
Voltage - Output (Max) - -
Voltage Dropout (Max) 1.2V @ 100mA 1.2V @ 100mA
Current - Output 100mA 100mA
Current - Quiescent (Iq) 2 mA 2 mA
Current - Supply (Max) - -
PSRR - -
Control Features - -
Protection Features Over Current, Over Temperature Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Surface Mount Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3 SOT-23-3

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