Overview
The L6398DTR, produced by STMicroelectronics, is a high voltage device manufactured using the BCD™ “offline” technology. It is a single-chip half bridge gate driver designed for N-channel power MOSFETs or IGBTs. The device features a high-side (floating) section that can withstand a voltage rail up to 600 V, making it suitable for various high-voltage applications. The logic inputs are CMOS/TTL compatible down to 3.3 V, facilitating easy interfacing with microcontrollers or DSPs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| High Voltage Rail | Up to 600 V | V |
| dV/dt Immunity | ± 50 V/ns | V/ns |
| Driver Current Capability | 290 mA source, 430 mA sink | mA |
| Switching Times | 75/35 ns rise/fall with 1 nF load | ns |
| Logic Input Compatibility | 3.3 V, 5 V TTL/CMOS | V |
| Integrated Bootstrap Diode | Yes | |
| Fixed Deadtime | 320 ns | ns |
| Operating Temperature Range | -40 to 125 °C | °C |
| Package Type | SO-8 |
Key Features
- High voltage rail up to 600 V
- dV/dt immunity ± 50 V/ns in full temperature range
- Driver current capability: 290 mA source, 430 mA sink
- Switching times: 75/35 ns rise/fall with 1 nF load
- 3.3 V, 5 V TTL/CMOS input comparators with hysteresis
- Integrated bootstrap diode
- Fixed 320 ns deadtime
- Interlocking function
- Compact and simplified layout
- Bill of material reduction
- Flexible, easy, and fast design
Applications
The L6398DTR is suitable for various industrial and consumer applications, including:
- Motor drivers for home appliances
- Factory automation
- Industrial drives
- Fans and other high-voltage motor control systems
Q & A
- What is the maximum voltage the L6398DTR can handle?
The L6398DTR can handle a high voltage rail up to 600 V.
- What is the driver current capability of the L6398DTR?
The driver current capability is 290 mA source and 430 mA sink.
- What are the switching times for the L6398DTR with a 1 nF load?
The switching times are 75 ns rise and 35 ns fall with a 1 nF load.
- Is the L6398DTR compatible with 3.3 V and 5 V TTL/CMOS inputs?
Yes, the L6398DTR is compatible with 3.3 V and 5 V TTL/CMOS inputs.
- Does the L6398DTR have an integrated bootstrap diode?
Yes, the L6398DTR has an integrated bootstrap diode.
- What is the fixed deadtime of the L6398DTR?
The fixed deadtime is 320 ns.
- What is the operating temperature range of the L6398DTR?
The operating temperature range is -40 to 125 °C.
- In what package type is the L6398DTR available?
The L6398DTR is available in an SO-8 package.
- What are some typical applications of the L6398DTR?
Typical applications include motor drivers for home appliances, factory automation, industrial drives, and fans.
- Does the L6398DTR have an interlocking function?
Yes, the L6398DTR has an interlocking function to prevent simultaneous high and low side switching.
