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IR4312MTRPBF

2 channel 40 V 40 W

Inventory:7,720

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Overview of IR4312MTRPBF

The IR4312MTRPBF is a synchronous buck PWM controller IC designed for voltage regulation in DC-DC converter applications. It features high efficiency, precise output voltage control, and protection features, making it ideal for power supply designs.

Pinout

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

  • VIN: Input Voltage
  • VCC: Controller Power Supply
  • GND: Ground
  • COMP: Compensation Pin
  • FB: Feedback Pin
  • SS: Soft-Start Pin
  • PGND: Power Ground
  • PGOOD: Power Good Indicator
  • EN: Enable Pin
  • BOOT: Bootstrap Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the IR4312MTRPBF IC for a clear visual representation.

Key Features

  • Synchronous Buck Controller: Provides efficient voltage regulation in step-down converter applications.
  • Precise Output Voltage Control: Offers accurate output voltage adjustment for reliable power supply operation.
  • Protection Features: Includes overcurrent protection, undervoltage lockout, and thermal shutdown for enhanced system reliability.
  • High Efficiency: The IR4312MTRPBF operates with high efficiency, reducing power losses in the conversion process.
  • Wide Input Voltage Range: Supports a broad input voltage range, making it versatile for various power supply designs.
  • Programmable Soft-Start: Allows for controlled start-up to prevent voltage spikes and stresses on components.

Note: For detailed technical specifications, please refer to the IR4312MTRPBF datasheet.

Application

  • DC-DC Converters: Ideal for voltage regulation in DC-DC converter modules for various electronic devices.
  • Power Supplies: Suitable for designing efficient power supplies with precise voltage control for industrial and consumer applications.
  • Embedded Systems: Used in embedded systems and IoT devices that require stable and efficient power management.

Functionality

The IR4312MTRPBF is a high-performance synchronous buck PWM controller that ensures stable and regulated output voltage for power supply applications. Its features and protections make it a reliable choice for demanding power designs.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input power source within the specified voltage range.
  • Output Adjustment: Use the COMP and FB pins to adjust the output voltage as needed for the application.
  • Enable Control: The EN pin (Pin 8) controls the enable/disable state of the controller for power management.

Frequently Asked Questions

Q: What is the efficiency rating of the IR4312MTRPBF?
A: The IR4312MTRPBF offers high efficiency levels, typically above 90%, ensuring minimal power loss during operation.

Q: Does the IR4312MTRPBF have thermal protection?
A: Yes, the IR4312MTRPBF features thermal shutdown protection to prevent overheating and ensure safe operation.

Equivalent

For similar functionalities, consider these alternatives to the IR4312MTRPBF:

  • IRF4905PBF: A power MOSFET suitable for synchronous buck converter applications, offering high efficiency and performance.
  • LT1618EDDPBF: This synchronous buck controller from Analog Devices provides precise voltage regulation and protection features for power supply designs.

Specifications

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

Product Status Obsolete Type 2-Channel Stereo
Output Type 2-Channel (Stereo) Max Output Power x Channels @ Load 35W x 2 @ 4Ohm
Voltage - Supply 10V ~ 15V Features Depop, Differential Inputs
Mounting Type Surface Mount Operating Temperature -40°C ~ 100°C (TA)
Supplier Device Package 44-PQFN (7x7) Package / Case PQFN-44
Base Product Number IR4312 Manufacturer Infineon
Product Category Audio Amplifiers RoHS Details
Series IR43x2 Product Audio Amplifiers
Class Class-D Output Power 35 W
Mounting Style SMD/SMT Audio - Load Impedance 4 Ohms
THD plus Noise 0.02 % Supply Voltage - Max 15 V
Supply Voltage - Min 300 mV Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 100 C Brand Infineon Technologies
Description/Function Class-D audio amplifier GBP - Gain Bandwidth Product 9 MHz
Ib - Input Bias Current 40 nA Input Type Differential
Length 7 mm Moisture Sensitive Yes
Number of Channels 2 Channel Pd - Power Dissipation 8 W
Product Type Audio Amplifiers Factory Pack Quantity 3000
Subcategory Audio ICs Tradename MERUS
Vos - Input Offset Voltage 18 mV Width 7 mm

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