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LM5101ASD +BOM

3-A, 100-V half bridge gate driver with 8-V UVLO and TTL inputs

LM5101ASD General Description

The LM5101ASD stands out as a high-performance gate driver suitable for a wide range of applications. Its ability to handle high-side and low-side N-Channel MOSFETs in synchronous buck or half-bridge configurations make it a versatile choice for designers. With a floating high-side driver that can operate at supply voltages up to 100V, this driver delivers both power and reliability. The differing versions, A providing 3A of gate drive, B with 2A, and C with 1A, cater to varying power requirements while ensuring consistent performance

Key Features

  • 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

Specifications

Bus voltage (max) (V) 100 Power switch MOSFET
Input VCC (min) (V) 9 Input VCC (max) (V) 14
Peak output current (A) 3 Operating temperature range (°C) -40 to 125
Undervoltage lockout (typ) (V) 8 Rating Catalog
Propagation delay time (µs) 0.025 Rise time (ns) 10
Fall time (ns) 10 Iq (mA) 0.01
Input threshold TTL Channel input logic TTL
Negative voltage handling at HS pin (V) -1 Driver configuration Dual, Independent

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