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HomeCommunitySubjectTPS40304DRCR Synchronous Buck Controller: Datasheet, Circuit, Pinout

TPS40304DRCR Synchronous Buck Controller: Datasheet, Circuit, Pinout

IC REG CTRLR BUCK PWM VM 10-SON The TPS40304DRCR belongs to the TPS4030x family, a_ family of cost-optimized synchronous buck controllers. This post will unlock its datasheet, pinout, feature, circuit and more about TPS40304DRCR.

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Mar 7, 2022

Keith Eleanor

IC REG CTRLR BUCK PWM VM 10-SON

The TPS40304DRCR belongs to the TPS4030x family, a_ family of cost-optimized synchronous buck controllers. This post will unlock its datasheet, pinout, feature, circuit and more about TPS40304DRCR.

TPS40304DRCR

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TPS40304DRCR Pinout

TPS40304DRCR Pinout

TPS40304DRCR CAD Model

Symbol

TPS40304DRCR Symbol

Footprint

TPS40304DRCR Footprint

3D Model

TPS40304DRCR 3D Model

TPS40304DRCR Description

The  TPS40304DRCR belongs to the TPS4030x family, a family of cost-optimized synchronous buck controllers that operate from 3-V to 20-V input. The controller implements a voltage-mode control architecture with input voltage feed-forward compensation that responds instantly to a change in input voltage. The switching frequency is fixed at 300 kHz600 kHz, or 1.2 MHz.

The TPS4030x offers a design with a variety of user-programmable functions, including soft start, overcurrent protection (OCP) levels, and loop compensation.

TPS40304DRCR Feature

  • Input Voltage Range From 3 V to 20 V

  • 300-kHz (TPS40303) Switching Frequencies

  • High- and Low-Side  FET  Rs(on) Current Sensing

  • Programmable Thermally Compensated OCP Levels

  • Programmable Soft Start

  • 600-mV, 1% Reference Voltage

  • Voltage Feed-Forward Compensation

  • Supports Prebiased Output

  • Frequency Spread Spectrum

  • Thermal Shutdown Protection at 145℃

  • 10-Pin 3-mm x 3-mm VSON Package With

  • Ground Connection to Thermal Pad

TPS40304DRCR Application

  • POL Modules

  • Printers

  • Digital TVs

  • T telecom

  • USB Type-C Wall Receptacles

 

TPS40304DRCR Functional Block Diagram

The TPS4030x is a family of cost-optimized synchronous buck controllers providing high-end features to construct high-performance DC-DC converters. Prebias capability eliminates concerns about damaging sensitive loads during start-up. Programmable over-current protection levels and hiccup overcurrent fault recovery maximize design flexibility and minimize power dissipation in the event of a prolonged output short. The  Frequency Spread Spectrum  (FSS) feature reduces peak EMI noise by spreading the initial energy of each harmonic along with a frequency band, thus giving a wider spectrum with lower amplitudes. The following figure shows the functional block diagram below.

TPS40304DRCR Functional Block Diagram

TPS40304DRCR Typical Application Circuit

The following figures show a 3.3-V/5-V/12-V to 0.6-V at 10-A synchronous buck application using the TPS40303 switching at 300 kHz.

A Synchronous Buck Application Using the TPS40303

TPS40304DRCR Package

TPS40304DRCR Package

Specifications

TPS40304DRCR Tech Specifications

Texas Instruments TPS40304DRCR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TPS40304DRCR.

Product Attribute Attribute Value
Lifecycle StatusACTIVE (Last Updated: 1 day ago)
Factory Lead Time6 Weeks
Contact PlatingGold
Mounting TypeSurface Mount
Package / Case10-VFDFN Exposed Pad
Surface MountYES
Number of Pins10Pins
Operating Temperature-40°C~125°C TJ
PackagingTape & Reel (TR)
JESD-609 Codee4
Pbfree Codeyes
Part StatusActive
Moisture Sensitivity Level (MSL)2 (1 Year)
Number of Terminations10Terminations
ECCN CodeEAR99
Terminal PositionDUAL
Peak Reflow Temperature (Cel)260
Terminal Pitch0.5mm
Product Attribute Attribute Value
Base Part NumberTPS40304
FunctionStep-Down
Number of Outputs1Output
Output Voltage6.5V
Output TypeTransistor Driver
Max Output Current25A
Operating Supply Voltage12V
Input Voltage-Nom12V
Analog IC - Other TypeSWITCHING CONTROLLER
Operating Supply Current2.5mA
Output ConfigurationPositive
Output Current25A
Voltage - Supply (Vcc/Vdd)3V~20V
Quiescent Current2.5mA
Control FeaturesEnable, Power Good, Soft Start
Max Output Voltage18V
TopologyBuck
Min Input Voltage3V
Product Attribute Attribute Value
Control ModeVOLTAGE-MODE
Frequency - Switching600kHz
Max Input Voltage20V
Control TechniquePULSE WIDTH MODULATION
Rise Time15ns
Synchronous RectifierYes
Fall Time (Typ)12 ns
Switcher ConfigurationPUSH-PULL
Max Frequency660kHz
Max Duty Cycle90 %
IsolationNon-Isolated
Clock SyncNo
Height1mm
Length3mm
Width3mm
Thickness900μm
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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Frequently Asked Questions

What is the TPS4030x family of?
Cost-optimized synchronous buck controllers.
What is the TPS40304DRCR voltage-mode control architecture?
Input voltage feed-forward compensation.
What is synchronous buck controller?
A synchronous buck converter produces a regulated voltage that is lower than its input voltage and can deliver high currents while minimizing power loss. As shown in Figure 1, the synchronous buck converter is comprised of two power MOSFETs, an output inductor and an output capacitor.
FAQ
What is the TPS4030x family of?
Cost-optimized synchronous buck controllers.
What is the TPS40304DRCR voltage-mode control architecture?
Input voltage feed-forward compensation.
What is synchronous buck controller?
A synchronous buck converter produces a regulated voltage that is lower than its input voltage and can deliver high currents while minimizing power loss. As shown in Figure 1, the synchronous buck converter is comprised of two power MOSFETs, an output inductor and an output capacitor.

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