• Part: LM5148-Q1
  • Description: Buck DC/DC Controller
  • Manufacturer: Texas Instruments
  • Size: 5.94 MB
Download LM5148-Q1 Datasheet PDF
Texas Instruments
LM5148-Q1
Features - AEC-Q100 qualified for automotive applications: - Device temperature grade 1: - 40°C to +125°C ambient operating temperature - Functional Safety-Capable - Documentation available to aid functional safety system design - Integrated EMI mitigation - Selectable dual random spread spectrum (DRSS) feature for enhanced EMI performance across low and high-frequency bands - Optimized for CISPR 25 Class 5 requirements - Versatile synchronous buck DC/DC controller - Wide input voltage range of 3.5 V to 80 V - 1% accurate, fixed 3.3 V, 5 V, 12 V, or adjustable output from 0.8 V to 55 V - 150°C maximum junction temperature - Lossless DCR or shunt current sensing - Shutdown mode current of 2.3 µA - No-load sleep current of 9.5 µA - Internal soft-start ramp of 3 ms - Stackable up to two phases - Internal bootstrap diode - Switching frequency from 100 k Hz to 2.2 MHz - SYNC in and SYNC out capability - Selectable PFM or FPWM modes - Inherent protection features for robust design - Internal...