Overview
The IR4427STRPBF is a high-speed, high-voltage dual low-side gate driver IC designed by Infineon Technologies. This IC is part of the EiceDRIVER™ family and is optimized for driving power MOSFETs and IGBTs in various power electronics applications. It features independent high and low-side referenced output channels, making it ideal for half-bridge and full-bridge configurations. The IC is built using proprietary latch immune CMOS technology, ensuring ruggedized monolithic construction and compatibility with standard CMOS or LSTTL logic inputs.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Gate Drive Supply Voltage (VCC) | 6 | - | 20 | V |
| Logic Input Voltage (VIN) | 0 | - | VCC + 0.3 | V |
| Output Voltage (VO) | 0 | - | VCC + 0.3 | V |
| Source Current (Io+) | - | 2.3 | - | A |
| Sink Current (Io-) | - | 3.3 | - | A |
| Turn-on Propagation Delay (ton) | - | 50 | 95 | ns |
| Turn-off Propagation Delay (toff) | - | 50 | 95 | ns |
| Turn-on Rise Time (tr) | - | 25 | 55 | ns |
| Turn-off Fall Time (tf) | - | 25 | 55 | ns |
| Ambient Temperature (TA) | -40 | - | 125 | °C |
| Junction Temperature (TJ) | - | - | 150 | °C |
| Package Type | - | - | SOIC-8 | - |
Key Features
- Gate drive supply range from 6 V to 20 V.
- CMOS Schmitt-triggered inputs for robust signal handling.
- Matched propagation delay for both channels, ensuring synchronized operation.
- Outputs in phase with inputs, suitable for high-frequency applications.
- High pulse current buffer stage to minimize driver cross-conduction.
- Compatibility with standard CMOS or LSTTL logic inputs.
- Lead-free and RoHS compliant.
- Available in 8-lead SOIC and PDIP packages.
Applications
The IR4427STRPBF is versatile and can be used in a variety of power electronics applications, including:
- General purpose dual low-side gate driving.
- DC-DC converters.
- Half-bridge and full-bridge configurations for driving power MOSFETs and IGBTs.
- High-frequency power electronics applications due to its matched propagation delays and high-speed operation.
Q & A
- Q: What is the gate drive supply voltage range for the IR4427STRPBF?
A: The gate drive supply voltage range is from 6 V to 20 V. - Q: Is the IR4427STRPBF suitable for high-frequency applications?
A: Yes, it is designed for high-speed operation and has matched propagation delays, making it suitable for high-frequency applications. - Q: What are the typical source and sink currents for the IR4427STRPBF?
A: The typical source current (Io+) is 2.3 A, and the typical sink current (Io-) is 3.3 A. - Q: What is the package type of the IR4427STRPBF?
A: It is available in an 8-lead SOIC package. - Q: Is the IR4427STRPBF compatible with standard logic inputs?
A: Yes, it is compatible with standard CMOS or LSTTL logic inputs. - Q: What are the turn-on and turn-off propagation delays for the IR4427STRPBF?
A: The turn-on and turn-off propagation delays are typically 50 ns each, with a maximum of 95 ns. - Q: Is the IR4427STRPBF lead-free and RoHS compliant?
A: Yes, it is lead-free and RoHS compliant. - Q: What is the ambient temperature range for the IR4427STRPBF?
A: The ambient temperature range is from -40°C to 125°C. - Q: Can the IR4427STRPBF be used in half-bridge and full-bridge configurations?
A: Yes, it is designed for use in both half-bridge and full-bridge configurations. - Q: What is the junction temperature limit for the IR4427STRPBF?
A: The junction temperature limit is 150°C.
