• Part: LM5145
  • Description: Synchronous Buck DC-DC Controller
  • Manufacturer: Texas Instruments
  • Size: 2.88 MB
Download LM5145 Datasheet PDF
Texas Instruments
LM5145
Features 2 Applications - Versatile synchronous buck DC/DC controller - Wide input voltage range of 6 V to 75 V - 0.8-V reference with ±1% feedback accuracy - Adjustable output voltage from 0.8 V to 60 V - 40-ns t ON(min) for high VIN / VOUT ratio - 140-ns t OFF(min) for low dropout - Optimized for CISPR 32 requirements - Switching frequency from 100 k Hz to 1 MHz - SYNC In and SYNC Out capability - Selectable diode emulation or FPWM - 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 - Fast line and load transient response - Voltage-mode control with line feedforward - High gain-bandwidth error amplifier - Inherent protection features for robust design - Adjustable output voltage soft start - Hiccup-mode overcurrent protection - Input UVLO with hysteresis - VCC and gate-drive UVLO protection - Precision enable input and open-drain PGOOD indicator for sequencing and...