SNVSC48B October   2021  – June 2024 LP87743-Q1 , LP87744-Q1 , LP87745-Q1

PRODUCTION DATA  

  1.   1
  2. 1Features
  3. 2Applications
  4. 3Description
  5. 4Description (continued)
  6. 5Pin Configuration and Functions
  7. 6Device and Documentation Support
    1. 6.1 Documentation Support
    2. 6.2 Receiving Notification of Documentation Updates
    3. 6.3 Support Resources
    4. 6.4 Trademarks
    5. 6.5 Electrostatic Discharge Caution
    6. 6.6 Glossary
  8. 7Revision History
  9. 8Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
  • RXV|28
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional safety-compliant device
    • Developed for functional safety applications
    • Documentation available to aid ISO 26262 functional safety system design up to ASIL-C / SIL-2
    • Input supply overvoltage and undervoltage monitoring
    • Regulator output overvoltage and undervoltage monitoring
    • Overvoltage and undervoltage monitoring for one external rail
    • Q&A watchdog
    • Level or PWM error signal monitor (ESM)
    • BIST and CRC
  • Input voltage: 3.3V nominal (3V to 4V range)
  • Three low-noise step-down DC/DC converters:
    • Output voltage: 0.9V to 1.9V, 0.8V (BUCK3), 0.82V (BUCK3)
    • Maximum output current: 3A/ 3A/ 3A
    • Switching frequency: 4.4MHz, 8.8MHz, and 17.6MHz
  • 5V boost converter
    • Maximum output current: 350mA
  • 150mA LDO
    • Output voltage 1.8V or 3.3V
  • Output short-circuit and overload protection
  • Input overvoltage protection (OVP) and undervoltage lockout (UVLO)
  • Overtemperature warning and protection
  • Serial peripheral interface (SPI)