• LM5164DDAR HSOIC-8
LM5164DDAR HSOIC-8

LM5164DDAR

Switching Voltage Regulators 6-V to 100-V input, 1-A synchronous buck DC-DC converter with ultra-low IQ 8-SO PowerPAD -40 to 150

Quantity Unit Price(USD) Ext. Price
1 $0.692 $0.69
10 $0.588 $5.88
30 $0.515 $15.45
100 $0.454 $45.40
500 $0.416 $208.00
1000 $0.405 $405.00

Inventory:5,326

*The price is for reference only.
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  • Part Number : LM5164DDAR

  • Package/Case : HSOIC-8

  • Brands : TI

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : LM5164DDAR DataSheet (PDF)

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Overview of LM5164DDAR

The LM5164DDAR is a synchronous buck DC-DC converter IC designed for high-efficiency power supply applications.It features a wide input voltage range and high switching frequency,making it suitable for various power management designs.

Pinout

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

  • VIN:Input Voltage
  • SW:Switch Node
  • GND:Ground
  • EN:Enable Pin
  • FB:Feedback Pin
  • SS:Soft Start Pin
  • VOUT:Output Voltage
  • PG:Power Good Indicator
  • COMP:Compensation Pin


Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM5164DDAR IC for a visual representation.

Key Features

  • High Efficiency: The LM5164DDAR offers high efficiency in converting input voltage to output voltage, reducing power loss.
  • Wide Input Voltage Range: It can accommodate a wide range of input voltages, making it versatile for different power supply requirements.
  • High Switching Frequency: The IC operates at a high switching frequency, enabling compact and efficient power supply designs.
  • Sync Rectification: Features synchronous rectification for improved efficiency and performance.
  • Protection Features: Includes overcurrent protection, thermal shutdown, and input undervoltage lockout for reliable operation.

Note: For detailed technical specifications, please refer to the LM5164DDAR datasheet.

Application

  • Power Supply Design: Ideal for designing efficient power supplies in various electronic systems.
  • Battery-Powered Devices: Suitable for battery-powered devices requiring high-efficiency power conversion.
  • LED Lighting: Can be used in LED lighting applications for efficient power management.

Functionality

The LM5164DDAR is a synchronous buck DC-DC converter that efficiently converts input voltage to a regulated output voltage, providing reliable power management for electronic devices.

Usage Guide

  • Input Voltage: Connect the VIN pin to the input voltage source within the specified range.
  • Output Voltage: Obtain the regulated output voltage from the VOUT pin for powering your circuit.
  • Enable Pin: Use the EN pin to enable or disable the operation of the IC as needed.

Frequently Asked Questions

Q: What is the typical efficiency of the LM5164DDAR?
A: The LM5164DDAR offers high efficiency, typically above 90% under normal operating conditions.

Q: Is the LM5164DDAR suitable for automotive applications?
A: Yes, the LM5164DDAR is designed to meet automotive specifications and can be used in automotive power supply designs.

Equivalent

For similar functionalities, consider these alternatives to the LM5164DDAR:

  • LMR14030: A synchronous buck regulator IC with comparable performance and features to the LM5164DDAR.
  • TPS54302: This is a step-down DC-DC converter IC from Texas Instruments, offering similar efficiency and input voltage range.

LM5164DDAR

Specifications

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

Vin (min) (V) 6 Vin (max) (V) 100
Vout (min) (V) 1.2 Vout (max) (V) 90
Iout (max) (A) 1 Iq (typ) (mA) 0.01
Switching frequency (min) (kHz) 75 Switching frequency (max) (kHz) 1000
Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Synchronous Rectification, UVLO adjustable Operating temperature range (°C) -40 to 150
Rating Catalog TI functional safety category Functional Safety-Capable
Regulated outputs (#) 1 Control mode Constant on-time (COT)
Duty cycle (max) (%) 99 Type Converter

Warranty & Returns

Warranty, Returns, and Additional Information

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    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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