IR2125PBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR2125PBF is a high-voltage, high-speed power MOSFET and IGBT driver. It is specifically designed for applications that require efficient switching of power devices.

Characteristics: - High voltage capability - Fast switching speed - Low power consumption - Compact package size - Robust design for reliable operation

Package: The IR2125PBF is available in a compact and industry-standard 8-pin DIP (Dual Inline Package) format.

Essence: The essence of the IR2125PBF lies in its ability to drive power MOSFETs and IGBTs efficiently, enabling effective control of power devices in various applications.

Packaging/Quantity: The IR2125PBF is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Supply Voltage: 10V - 20V
• Output Current: 200mA
• Operating Temperature Range: -40°C to +125°C
• Maximum Power Dissipation: 1.25W
• Propagation Delay Time: 120ns
• Rise/Fall Time: 50ns

Pin Configuration

The IR2125PBF features an 8-pin DIP package with the following pin configuration:

1. VCC: Supply voltage input
2. VB: Bootstrap supply voltage input
3. HO: High-side gate driver output
4. LO: Low-side gate driver output
5. VS: High-side floating supply return
6. COM: Common connection for low-side and logic ground
7. SD: Shutdown input
8. RT: External resistor connected to set dead time

Functional Features

• High voltage level shifting
• Undervoltage lockout protection
• Integrated bootstrap diode
• Adjustable dead time control
• Shutdown input for device disable
• Logic ground and low-side return connected internally

Advantages

• Efficient switching of power MOSFETs and IGBTs
• High voltage capability allows for use in a wide range of applications
• Fast switching speed reduces power losses and improves overall system efficiency
• Compact package size enables space-saving designs
• Robust design ensures reliable operation even in harsh environments

Disadvantages

• Limited output current may not be suitable for high-power applications
• Propagation delay time and rise/fall time may affect the performance in certain high-frequency applications

Working Principles

The IR2125PBF operates by receiving input signals from a microcontroller or other control circuitry. It then amplifies and level shifts these signals to drive the gate of a power MOSFET or IGBT. This allows for efficient switching of the power device, controlling the flow of current through it.

Detailed Application Field Plans

The IR2125PBF is commonly used in various applications, including:

1. Motor control systems
2. Switch-mode power supplies
3. Inverters and converters
4. Uninterruptible Power Supplies (UPS)
5. Solar inverters
6. Electric vehicle charging systems

Detailed and Complete Alternative Models

1. IR2104PBF: Similar functionality with dual high- and low-side gate drivers.
2. IR2184PBF: Higher output current capability and additional features like shutdown input and fault protection.
3. IRS2110PBF: Integrated half-bridge driver with independent high- and low-side outputs.

These alternative models offer similar functionality to the IR2125PBF and can be considered based on specific application requirements.

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