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LM3485MM

Description of LM3485MM

Quantity Unit Price(USD) Ext. Price
1 $1.290 $1.29
10 $1.083 $10.83
30 $0.970 $29.10
100 $0.842 $84.20
500 $0.750 $375.00
1000 $0.724 $724.00

Inventory:5,834

*The price is for reference only.
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Overview of LM3485MM

The LM3485MM is a high-efficiency synchronous buck regulator IC designed for step-down voltage regulation applications. This IC features a wide input voltage range and high output current capability, making it suitable for various power management tasks.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input voltage
  • SW: Switch node
  • FB: Feedback pin
  • PGND: Power ground
  • PGND: Power ground
  • SS/TR: Soft-start/tracking pin
  • COMP: Compensation pin
  • EN: Enable pin
  • VOUT: Output voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM3485MM IC for a visual representation.

Key Features

  • High Efficiency: The LM3485MM offers high efficiency in converting input voltage to regulated output voltage, reducing power dissipation.
  • Wide Input Voltage Range: This IC can handle input voltages ranging from 4.5V to 65V, providing flexibility in voltage regulation applications.
  • Adjustable Output Voltage: The output voltage can be easily adjusted using external components, allowing for customized power supply designs.
  • Synchronous Rectification: Incorporates synchronous rectification to improve efficiency and reduce losses in the power conversion process.
  • Overcurrent Protection: Includes overcurrent protection to safeguard the IC and downstream components from excessive currents.

Note: For detailed technical specifications, please refer to the LM3485MM datasheet.

Application

  • Power Supply Regulation: Ideal for regulating power supplies in various electronic devices and systems.
  • LED Driver: Suitable for driving LED lighting applications with efficient voltage regulation.
  • Battery Charging: Can be used in battery charging circuits to efficiently control charging voltages and currents.

Functionality

The LM3485MM is a synchronous buck regulator IC that efficiently steps down input voltage to a regulated output voltage. It provides stable and reliable power management for a wide range of applications.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source within the specified range.
  • Output Voltage: Adjust the output voltage by configuring external components based on the desired voltage level.
  • Enable Control: Use the EN (Pin 7) pin to enable or disable the regulator as needed.

Frequently Asked Questions

Q: Can the LM3485MM handle high input voltages?
A: Yes, the LM3485MM is capable of handling input voltages up to 65V, making it suitable for a variety of applications requiring high voltage regulation.

Q: What is the efficiency of the LM3485MM at typical load conditions?
A: The LM3485MM offers high efficiency levels, typically above 90% at typical load conditions, ensuring minimal power loss during voltage conversion.

Equivalent

For similar functionalities, consider these alternatives to the LM3485MM:

  • LM2675M: A step-down switching regulator IC offering similar capabilities to the LM3485MM with slight variations in specifications and package options.
  • LM2596S: This IC from Texas Instruments provides efficient step-down voltage regulation and can be used as an alternative to the LM3485MM in certain applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Switching Controllers RoHS N
Number of Outputs 1 Output Switching Frequency 1 MHz
Duty Cycle - Max 100 % Input Voltage 4.5 V to 35 V
Output Voltage 1.242 V to 35 V Output Current 4 A
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 125 C
Mounting Style SMD/SMT Package / Case VSSOP-8
Brand Texas Instruments Development Kit LM3485EVAL
Operating Supply Current 250 uA Product Type Switching Controllers
Series LM3485 Factory Pack Quantity 1000
Subcategory PMIC - Power Management ICs Type Buck Controller
Unit Weight 0.003668 oz

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