Overview
The L6387ED is a high-voltage gate driver manufactured by STMicroelectronics using the BCD™ “offline” technology. This device is designed to drive a half-bridge of power MOSFET or IGBT devices. It features a high-side (floating) section that can operate with voltage rails up to 600 V. The L6387ED is known for its simplicity and compact design, making it suitable for various high-voltage applications. It includes two input pins and two output pins, ensuring that the outputs toggle in phase with the inputs, and the logic inputs are CMOS/TTL compatible for easy interfacing with controlling devices.
Key Specifications
| Parameter | Value |
|---|---|
| High-side Voltage Rail | Up to 600 V |
| dV/dt Immunity | ± 50 V/nsec (full temperature range) |
| Driver Current Capability | 400 mA source, 650 mA sink |
| Switching Times | 50/30 nsec rise/fall with 1 nF load |
| Input Type | CMOS/TTL Schmitt trigger inputs with hysteresis and pull-down |
| Bootstrap Diode | Internal bootstrap diode |
| Output Synchronization | Outputs in phase with inputs |
| Interlocking Function | Prevents simultaneous high driving of both outputs |
| Package Options | DIP-8, SO-8 |
| Operating Temperature | -40°C to 150°C |
Key Features
- High voltage rail up to 600 V
- dV/dt immunity ± 50 V/nsec in full temperature range
- Driver current capability: 400 mA source, 650 mA sink
- Switching times: 50/30 nsec rise/fall with 1 nF load
- CMOS/TTL Schmitt trigger inputs with hysteresis and pull-down
- Internal bootstrap diode
- Outputs in phase with inputs
- Interlocking function to prevent simultaneous high driving of both outputs
Applications
The L6387ED is suitable for a variety of high-voltage applications, including but not limited to:
- Power supplies and DC-DC converters
- Motor control and drive systems
- Industrial automation and control systems
- High-voltage power management in consumer and industrial electronics
Q & A
- What is the maximum high-side voltage rail for the L6387ED?
The maximum high-side voltage rail for the L6387ED is up to 600 V.
- What are the driver current capabilities of the L6387ED?
The L6387ED can source 400 mA and sink 650 mA.
- Does the L6387ED have internal bootstrap diode?
Yes, the L6387ED features an internal bootstrap diode.
- What are the switching times of the L6387ED with a 1 nF load?
The switching times are 50/30 nsec rise/fall with a 1 nF load.
- What type of input compatibility does the L6387ED have?
The L6387ED has CMOS/TTL Schmitt trigger inputs with hysteresis and pull-down.
- What is the purpose of the interlocking function in the L6387ED?
The interlocking function prevents both outputs from being driven high simultaneously.
- What are the package options available for the L6387ED?
The L6387ED is available in DIP-8 and SO-8 package options.
- What is the operating temperature range of the L6387ED?
The operating temperature range is -40°C to 150°C.
- What is the dV/dt immunity of the L6387ED?
The dV/dt immunity is ± 50 V/nsec in the full temperature range.
- Is the L6387ED RoHS compliant?
Yes, the L6387ED is RoHS compliant with an Ecopack2 grade.
