• Part: LM25145
  • Description: 6-V to 42-V Synchronous Buck DC-DC Controller
  • Manufacturer: Texas Instruments
  • Size: 2.08 MB
Download LM25145 Datasheet PDF
Texas Instruments
LM25145
Features - 1 Versatile Synchronous Buck DC-DC Controller - Wide Input Voltage Range of 6 V to 42 V - Adjustable Output Voltage From 0.8 V to 40 V - Meets EN55022 / CISPR 22 EMI Standards - Lossless RDS(on) or Shunt Current Sensing - Switching Frequency From 100 k Hz to 1 MHz - SYNC In and SYNC Out Capability - 40-ns Minimum On-Time for High VIN / VOUT Ratio - 140-ns Minimum Off-Time for Low Dropout - 0.8-V Reference With ±1% Feedback Accuracy - 7.5-V Gate Drivers for Standard VTH MOSFETs - 14-ns Adaptive Dead-Time Control - 2.3-A Source and 3.5-A Sink Capability - Low-Side Soft-Start for Prebiased Start-Up - Adjustable Soft-Start or Optional Voltage Tracking - Fast Line and Load Transient Response - Voltage-Mode Control With Line Feedforward - High Gain-Bandwidth Error Amplifier - Precision Enable Input and Open-Drain Power Good Indicator for Sequencing and Control - Inherent Protection Features for Robust Design - Hiccup Mode Overcurrent Protection - Input UVLO With Hysteresis - VCC...