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LMR33640DDDAR

Conv DC-DC 3.8V to 36V Synchronous Step Down Single-Out 1V to 24V 4A 8-Pin HSOIC EP T/R

Inventory:7,478

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Submit your quote request for LMR33640DDDAR using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of LMR33640DDDAR

The LMR33640DDDAR is a 36V, 4A synchronous step-down DC-DC converter with integrated high-side and low-side power MOSFETs. It features ultra-low quiescent current and a wide input voltage range, making it suitable for a variety of applications.

Pinout

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

  • VIN: Input Voltage
  • SW: Switch Node Connection
  • PG: Power Good Indicator
  • FB: Feedback Input
  • SS/TR: Soft-Start/Tracking Control
  • EN: Enable Control
  • GND: Ground Connection
  • VOUT: Output Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LMR33640DDDAR IC for a visual representation.

Key Features

  • High Efficiency: Achieves high efficiency over a wide load range.
  • Wide Input Voltage Range: Supports input voltages from 4.5V to 36V.
  • Low Quiescent Current: Features ultra-low quiescent current for improved efficiency in light-load conditions.
  • Integrated MOSFETs: Includes integrated high-side and low-side power MOSFETs for ease of design.
  • Power Good Indicator: Provides a power good indicator for monitoring the output voltage status.
  • Programmable Soft-Start: Allows programmable soft-start for controlled power-up sequencing.

Note: For detailed technical specifications, please refer to the LMR33640DDDAR datasheet.

Application

  • Power Management: Ideal for power management applications in industrial, automotive, and consumer electronics.
  • Battery-Powered Devices: Suitable for use in battery-powered devices requiring efficient voltage regulation.
  • Embedded Systems: Used in embedded systems for stable and reliable power supply solutions.

Functionality

The LMR33640DDDAR is a high-performance synchronous step-down DC-DC converter that efficiently regulates voltage levels in various applications, providing a stable power source for electronic devices.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source within the specified range.
  • Output Voltage: Obtain the regulated output voltage from VOUT (Pin 7).
  • Enable Control: Use the EN (Pin 5) pin to control the enable/disable function of the converter.

Frequently Asked Questions

Q: What is the efficiency of the LMR33640DDDAR at full load?
A: The LMR33640DDDAR achieves high efficiency levels, typically above 90% at full load conditions.

Q: Can the LMR33640DDDAR operate with an input voltage below 4.5V?
A: No, the LMR33640DDDAR is designed to support input voltages starting from 4.5V for proper operation.

Equivalent

For similar functionalities, consider these alternatives to the LMR33640DDDAR:

  • LMR33620: A lower current version of the LMR33640 with similar features for applications requiring lower output current.
  • TPS54331: A 3A synchronous step-down converter offering comparable performance to the LMR33640DDDAR.

Specifications

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

Vin (min) (V) 3.8 Vin (max) (V) 36
Vout (min) (V) 1 Vout (max) (V) 24
Iout (max) (A) 4 Iq (typ) (mA) 0.024
Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1000
Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, Wettable flanks package Operating temperature range (°C) -40 to 125
Rating Catalog TI functional safety category Functional Safety-Capable
Regulated outputs (#) 1 Control mode current mode
Duty cycle (max) (%) 98 Type Converter

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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LMR33640DDDAR

Conv DC-DC 3.8V to 36V Synchronous Step Down Single-Out 1V to 24V 4A 8-Pin HSOIC EP T/R

Inventory:

7,478
Overview of LMR33640DDDAR Specifications Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

Shipping

What channels of transportation of goods does the website support?

We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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Payment

Which payment methods can be used to pay for goods

Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.

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