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TPS54425PWP

Input voltage range from 4.5V to 18V

Quantity Unit Price(USD) Ext. Price
1 $1.453 $1.45
10 $1.423 $14.23
30 $1.402 $42.06
100 $1.253 $125.30

Inventory:2,515

*The price is for reference only.
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Overview of TPS54425PWP

The TPS54425PWP is a 4.5V to 18V, 4A synchronous step-down SWIFT™ converter with an integrated high-side and low-side MOSFETs. It provides a high efficiency, compact solution for a wide range of applications requiring step-down voltage conversion.

Pinout

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

  • VIN: Input voltage
  • SS/TR: Soft-start/tracking
  • FB: Feedback input
  • EN: Enable input
  • PWM: Pulse-width modulation
  • VOUT: Output voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS54425PWP IC for a visual representation.

Key Features

  • High Efficiency: Offers high efficiency up to 95% across a wide load range, reducing power dissipation and improving thermal performance.
  • Wide Input Voltage Range: Accepts input voltages from 4.5V to 18V, suitable for various power supply applications.
  • Integrated MOSFETs: Includes integrated high-side and low-side MOSFETs, simplifying the overall design and reducing external component count.
  • Adjustable Switching Frequency: The switching frequency can be adjusted from 200kHz to 2000kHz, providing flexibility in optimizing efficiency and solution size.
  • Current Mode Control: Utilizes current mode control for improved transient response and loop stability.

Note: For detailed technical specifications, please refer to the TPS54425PWP datasheet.

Application

  • Point-of-Load (POL) Converters: Ideal for POL applications requiring high efficiency and compact solution size.
  • Telecommunications: Suitable for telecom infrastructure and networking equipment requiring efficient voltage regulation.
  • Industrial Power Supplies: Used in industrial power supply systems for voltage conversion and regulation.

Functionality

The TPS54425PWP is a synchronous step-down converter designed to efficiently lower the input voltage to a regulated output voltage, making it suitable for a wide range of power supply and voltage conversion applications.

Usage Guide

  • Input Power: Connect VIN (Pin 1) to the input voltage source within the specified 4.5V to 18V range.
  • Output Voltage: Connect VOUT (Pin 7) to the load requiring the regulated output voltage.
  • Control Inputs: Utilize SS/TR, FB, EN, and PWM pins for soft-start, feedback, enable, and pulse-width modulation operations respectively.

Frequently Asked Questions

Q: What is the maximum output current supported by the TPS54425PWP?
A: The TPS54425PWP supports a maximum output current of 4A, making it suitable for moderate to high power applications.

Q: Can the TPS54425PWP operate with input voltages below 4.5V?
A: No, the TPS54425PWP requires a minimum input voltage of 4.5V for proper operation.

Equivalent

For similar functionalities, consider these alternatives to the TPS54425PWP:

  • LM22673: A 3A SIMPLE SWITCHER step-down voltage regulator with similar input voltage range and integrated MOSFETs.
  • ADP2360: This is a 4A, synchronous step-down DC-DC converter from Analog Devices, offering comparable performance and features.

Specifications

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

Vin (min) (V) 4.5 Vin (max) (V) 18
Vout (min) (V) 0.76 Vout (max) (V) 5.5
Iout (max) (A) 4 Iq (typ) (mA) 0.85
Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700
Features Enable, Power good, Soft Start Adjustable, Synchronous Rectification Operating temperature range (°C) -40 to 85
Rating Catalog Regulated outputs (#) 1
Control mode D-CAP2 Duty cycle (max) (%) 90
Type Converter

Warranty & Returns

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    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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TPS54425PWP

Input voltage range from 4.5V to 18V

Inventory:

2,515