• TPS54202DDCR SOT23THN-6
TPS54202DDCR SOT23THN-6

TPS54202DDCR

Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out -0.1V to 28V 2A 6-Pin TSOT-23 T/R

Quantity Unit Price(USD) Ext. Price
5 $0.172 $0.86
50 $0.136 $6.80
150 $0.119 $17.85
500 $0.102 $51.00
3000 $0.099 $297.00
6000 $0.096 $576.00

Inventory:8,285

*The price is for reference only.
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  • Part Number : TPS54202DDCR

  • Package/Case : SOT23THN-6

  • Brands : TI

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : TPS54202DDCR DataSheet (PDF)

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Overview of TPS54202DDCR

The TPS54202DDCR is a 4.5V to 18V input, 2A synchronous step-down SWIFT™ converter. It provides high efficiency, excellent transient response, and high DC accuracy needed for stepping down voltage rails to point-of-load (POL) regulators in applications such as digital cameras, DSLR cameras, and portable instrumentation.

Pinout

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

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

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the TPS54202DDCR IC for a more visual representation.

Key Features

  • Wide Input Voltage Range: Operates from 4.5V to 18V input, accommodating various input sources.
  • High Efficiency: Offers high efficiency, reducing power dissipation and extending battery life in portable applications.
  • Low Quiescent Current: Features low quiescent current, minimizing standby power consumption.
  • Adjustable Output Voltage: Allows flexibility in generating output voltages as low as 0.8V.
  • Programmable Soft-Start: Provides programmable soft-start to minimize inrush current during startup.

Note: For detailed technical specifications, please refer to the TPS54202DDCR datasheet.

Application

  • Portable Instrumentation: Suitable for use in portable instrumentation requiring efficient power management.
  • Digital Cameras: Ideal for powering digital cameras and DSLR cameras efficiently.
  • Point-of-Load Regulation: Used in applications requiring precise point-of-load regulation.

Functionality

The TPS54202DDCR is a synchronous step-down converter designed to efficiently step down voltage rails to point-of-load regulators. It offers high efficiency, low quiescent current, and adjustable output voltage, making it suitable for various applications.

Usage Guide

  • Power Supply: Connect VIN (Pin 1) to the input voltage source (4.5V to 18V).
  • Output Voltage: Adjust the output voltage using the FB (Pin 5) pin as per application requirements.
  • Enable Control: Enable or disable the converter using the EN (Pin 6) pin.

Frequently Asked Questions

Q: What is the maximum input voltage for the TPS54202DDCR?
A: The TPS54202DDCR can accommodate input voltages ranging from 4.5V to 18V.

Q: Is the TPS54202DDCR suitable for battery-powered applications?
A: Yes, the TPS54202DDCR features low quiescent current and high efficiency, making it suitable for battery-powered applications requiring efficient power management.

Equivalent

For similar functionalities, consider these alternatives to the TPS54202DDCR:

  • TPS54203DDCR: This is a similar step-down converter with slight variations in specifications, suitable for similar applications.
  • LM2678S-ADJ: A step-down voltage regulator with adjustable output voltage and comparable performance to the TPS54202DDCR.

TPS54202DDCR

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) 28
Vout (min) (V) 0.6 Vout (max) (V) 26
Iout (max) (A) 2 Iq (typ) (mA) 0.04
Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 500
EMI features Spread Spectrum Features Enable, Light Load Efficiency, Pre-Bias Start-Up, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO adjustable
Operating temperature range (°C) -40 to 125 Rating Catalog
Regulated outputs (#) 1 Control mode current mode
Duty cycle (max) (%) 100 Type Converter

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