IR11688STRPBF

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IR11688STRPBF

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DUAL SYNCHRONOUS RECTIFICATION C

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Attribut Wert
Series SmartRectifier™
Part Status Obsolete
Base Product Number IR11688
DigiKey Programmable Not Verified
Applications Secondary-Side Controller, Synchronous Rectifier
Voltage - Supply 4.75V ~ 18V
Current - Supply 13 mA
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tape & Reel (TR)

Übersicht

Description

The IR11688STRPBF is a smart secondary-side synchronous rectification (SR) controller designed by Infineon Technologies. It is typically used in flyback converters, which are common in power supply designs for applications like adapters, chargers, and LED drivers. The device aims to improve the efficiency and performance of power converters by reducing the losses associated with diode rectification.
Key features of the IR11688STRPBF include its ability to drive N-channel MOSFETs and its compatibility with both continuous and discontinuous conduction modes (CCM and DCM). It features a precise turn-on and turn-off control to maximize efficiency, using a drain-to-source voltage sensing method to ensure optimal switching performance. The controller also includes protections such as over-temperature shutdown and UVLO (under-voltage lockout) to enhance reliability and safety.
Overall, the IR11688STRPBF is valued for its ability to boost energy efficiency in power conversion applications, contributing to lower heat generation and reduced power consumption.

Equivalent

The IR11688STRPBF is a synchronous rectifier controller. Equivalent products include:
1. UCC24612 from Texas Instruments
2. NCP4305 from ON Semiconductor
3. ICE2QS01 from Infineon Technologies
4. TEA1791 from NXP Semiconductors
These alternatives provide similar functionality for driving MOSFETs in power supply applications. Always verify compatibility based on your specific application requirements.

Features

The IR11688STRPBF is a smart rectifier control IC designed by Infineon Technologies. It's typically used in power supply applications to improve efficiency by replacing traditional diode rectifiers with MOSFETs. Here are some key features:
1. Synchronous Rectification: Enhances efficiency by controlling MOSFETs instead of diodes, minimizing conduction losses.
2. Primary-Side Control: Works seamlessly with primary-side control systems, making it suitable for various power supply topologies.
3. Adaptive Gate Drive: Automatically adjusts gate drive to optimize performance across different load conditions.
4. Low Standby Power: Optimized for low power consumption in standby mode, contributing to overall energy efficiency.
5. Fast Turn-Off: Features fast turn-off capability to prevent reverse current flow, protecting the MOSFET and enhancing reliability.
6. Protection Features: Includes over-temperature and over-voltage protection to ensure device safety and longevity.
7. Compact Package: Available in a small, surface-mount package suitable for space-constrained applications.
These features make the IR11688STRPBF ideal for improving efficiency and reliability in both consumer and industrial power supply designs.

Pinout

The IR11688STRPBF is an 8-pin IC designed for synchronous rectification in switch mode power supplies. It is a product from Infineon Technologies, formerly International Rectifier. The primary function of this IC is to improve the efficiency of power supplies by replacing diode rectifiers with MOSFETs, reducing power loss.
Here's a brief overview of its pin configuration and functions:
1. VCC (Pin 1): This is the supply voltage input for the IC.
2. VS (Pin 2): Source voltage sense pin, used for sensing the MOSFET source voltage.
3. GATE (Pin 3): Drives the gate of the external MOSFET.
4. GND (Pin 4): Ground reference for the IC.
5. SYNC (Pin 5): Synchronization input, used to synchronize with the primary side controller.
6. VR (Pin 6): Reference voltage input, used to set the turn-off threshold of the MOSFET.
7. CS (Pin 7): Current sense input for overcurrent protection.
8. COM (Pin 8): Common connection, usually tied to ground for setting reference levels.
The IR11688STRPBF is instrumental in enhancing the efficiency and performance of power conversion systems.

Manufacturer

The IR11688STRPBF is manufactured by Infineon Technologies. Infineon is a German semiconductor manufacturer that spun off from the parent company Siemens AG in 1999. The company is one of the top players in the global semiconductor industry and is known for its wide range of semiconductor solutions including power semiconductors, microcontrollers, and sensors. Infineon focuses on several key markets including automotive, industrial power control, power management, and digital security solutions. The company is recognized for its innovation and emphasis on energy efficiency, mobility, and security technologies.

Application

The IR11688STRPBF is a smart rectifier controller designed for synchronous rectification in switch mode power supplies (SMPS). Its application areas include:
1. AC-DC Power Supplies: Used in adapters and chargers for improved efficiency.
2. Industrial Power Systems: Enhances efficiency in industrial power supplies.
3. Telecommunications: Utilized in rectifier circuits for telecom power supply units.
4. Consumer Electronics: Incorporated in appliances and devices requiring efficient power conversion.
5. Computing: Used in server and desktop power supplies for better energy efficiency.
6. LED Drivers: Helps in efficient power conversion for LED lighting systems.
Its primary function is to replace traditional diode rectifiers, thereby reducing power loss and improving overall efficiency in power converters.

Package

The package type of IR11688STRPBF is a SOIC-8 (Small Outline Integrated Circuit) package. This is a surface-mount package with 8 pins, commonly used for integrated circuits due to its compact size and ease of mounting on printed circuit boards.

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