Datasheet Details
| Part number | LM5109B |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.49 MB |
| Description | High Voltage 1-A Peak Half-Bridge Gate Driver |
| Datasheet |
 LM5109B Datasheet
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General Description
The LM5109B device is a cost-effective, high-voltage gate driver designed to drive both the high-side and the low-side N-channel MOSFETs in a synchronous buck or a half-bridge configuration.
The floating high-side driver is capable of working with rail voltages up to 90 V.
Key Features
- 1 Drives Both a High-Side and Low-Side N-Channel MOSFET.
- 1-A Peak Output Current (1.0-A Sink and 1.0-A Source).
- Inputs Compatible With Independent TTL and CMOS.
- Bootstrap Supply Voltage to 108-V DC.
- Fast Propagation Times (30 ns Typical).
- Drives 1000-pF Load With 15-ns Rise and Fall Times.
- Excellent Propagation Delay Matching (2 ns Typical).
- Supply Rail Undervoltage Lockout.
- Low Power Consumption.
- 8-Pin SOI.
