Texas Instruments LM5100A
The LM5100A/B/C and LM5101A/B/C high-voltage gate drivers are 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 operating with supply voltages up to 100 V. The A versions provide a full 3-A of gate drive, while the B and C versions provide 2 A and 1 A, respectively.| Part No. | LM5100A |
|---|---|
| Datasheet | LM5100A Download |
| Manufacturer |  Texas Instruments |
| Description | High-Side and Low-Side Gate Drivers |
| Buy | Stock & Price |
FEATURES
●1 Drives Both a High-Side and Low-Side N-Channel MOSFETs● Independent High- and Low-Driver Logic Inputs
● Bootstrap Supply Voltage up to 118 V DC
● Fast Propagation Times (25-ns Typical)
● Drives 1000-pF Load With 8-ns Rise and Fall Times
● Excellent Propagation Delay Matching (3-ns Typical)
● Supply Rail Undervoltage Lockout
● Low Power Consumption
● Pin Compatible With HIP2100/HIP2101 2
APPLICATIONS
● Current-Fed Push-Pull Converters● Half and Full Bridge Power Converters
● Synchronous Buck Converters
● Two Switch Forward Power Converters
● Forward with Active Clamp Converters 3
DESCRIPTION
The outputs are independently controlled with CMOS input thresholds (LM5100A/B/C) or TTL input thresholds (LM5101A/B/C). An integrated high-voltage diode is provided to charge the high-side gate drive bootstrap capacitor. A robust level shifter operates at high speed while consuming low power and providing clean level transitions from the control logic to the high-side gate driver. Undervoltage lockout is provided on both the low-side and the high-side power rails.
