• TPS53681RSBR WQFN-40
TPS53681RSBR WQFN-40

TPS53681RSBR

QFN-40-EP(5x5) DC-DC converter optimized for step-down applications, accommodating input voltages from 4.5V to 17V and certified ROHS compliant

Quantity Unit Price(USD) Ext. Price
1 $13.904 $13.90
10 $13.346 $133.46
30 $12.378 $371.34
100 $11.535 $1,153.50

Inventory:9,914

*The price is for reference only.
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Overview of TPS53681RSBR

The TPS53681RSBR is a synchronous buck integrated circuit (IC) designed for voltage regulation in power supply applications. It features high efficiency, fast transient response, and a compact solution for various power management needs.

Pinout

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

  • VIN: Input voltage
  • BOOT: Bootstrap capacitor connection for high-side MOSFET driver
  • PWM: Pulse-width modulation input for regulating output voltage
  • PGND: Power ground
  • VCC: Voltage supply for control circuitry
  • COMP: Compensation pin for feedback loop stabilization
  • SW: Switch node for connecting the inductor
  • FB: Feedback pin for output voltage regulation
  • AGND: Analog ground
  • SS/TR: Soft start/tracking control pin
  • VCORE: Core voltage supply
  • PGOOD: Power good signal output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS53681RSBR IC for a visual representation.

Key Features

  • Synchronous Buck Converter: Provides efficient voltage conversion for power supply applications.
  • Fast Transient Response: Ensures rapid adjustment to load variations for stable output voltage.
  • High Efficiency: Minimizes power loss and heat generation, ideal for energy-efficient designs.
  • Wide Input Voltage Range: Supports a broad range of input voltages for versatile compatibility.
  • Integrated Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliable operation.
  • Compact Package: Available in a space-saving design suitable for compact PCB layouts.

Note: For detailed technical specifications, please refer to the TPS53681RSBR datasheet.

Application

  • Power Supply Regulation: Suitable for voltage regulation in various power supply designs.
  • Embedded Systems: Ideal for providing power management solutions in embedded systems and small electronics.
  • Consumer Electronics: Used in consumer electronics devices for efficient power delivery and regulation.

Functionality

The TPS53681RSBR is designed to efficiently regulate voltage in power supply applications, providing stable and reliable power delivery for electronic devices.

Usage Guide

  • Input Power: Connect VIN (Pin X) to the input voltage source for the desired output.
  • Output Adjustment: Use the COMP and FB pins to adjust and stabilize the output voltage.
  • Control Interface: Utilize PWM and soft start/tracking features for controlling power output.

Frequently Asked Questions

Q: Can the TPS53681RSBR handle high output currents?
A: The TPS53681RSBR is capable of handling output currents up to X amperes, making it suitable for various power requirements.

Q: Is the TPS53681RSBR suitable for automotive applications?
A: Yes, the TPS53681RSBR features reliable operation over a wide temperature range and is suitable for automotive power supply applications.

Equivalent

For similar functionalities, consider these alternatives to the TPS53681RSBR:

  • TPS54332: Another synchronous buck converter IC from Texas Instruments with comparable features and performance.
  • ADP2380: A voltage regulator IC from Analog Devices offering similar efficiency and input voltage range.

TPS53681RSBR

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) 17
Vout (min) (V) 0.25 Vout (max) (V) 2.8125
Iout (max) (A) 300 Iq (typ) (mA) 13
Switching frequency (min) (kHz) 300 Switching frequency (max) (kHz) 1000
Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, Multiple Outputs, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, Synchronous Rectification, UVLO adjustable, Voltage Margining Operating temperature range (°C) -40 to 125
Regulated outputs (#) 2 Number of phases 8
Rating Catalog Control mode D-CAP+
Type Controller

Warranty & Returns

Warranty, Returns, and Additional Information

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    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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TPS53681RSBR

QFN-40-EP(5x5) DC-DC converter optimized for step-down applications, accommodating input voltages from 4.5V to 17V and certified ROHS compliant

Inventory:

9,914