TPS55340-Q1

TPS55340-Q1 SLVSBV5C – JUNE 2014 – REVISED SEPTEMBER 2021 TPS55340-Q1 Integrated 5-A, Wide Input Range Boost, SEPIC, or Flyback DC/DC Converter 1 Features Qualified for automotive applications AEC-Q100 qualified with the following results: – Device temperature grade 1: –40°C to 125°C – Device HBM ESD classification level 2 – Device CDM ESD classification level C6 Internal 5-A, 40-V low-side MOSFET switch 2.9 to 38-V input voltage range ±0.7% reference voltage 0.5-mA operating quiescent current 2.7-µA shutdown supply current Fixed-frequency current mode PWM control Frequency adjustable from 100 kHz to 2.5 MHz (see Section 7.3.2) Synchronization capability to external clock Adjustable soft-start time Pulse-skipping for higher efficiency at light loads Cycle-by-cycle current-limit, thermal shutdown, and UVLO protection WQFN-16 (3 mm × 3 mm) package with PowerPad™ Wide –40°C to +150°C operating TJ range Create a custom design using the TPS55340-Q1 with the WEBENCH Power Designer 2 Applications Boost, SEPIC, and flyback topologies Automotive pre-boost applications to support start- stop requirements USB power delivery Industrial power systems VI L D VO R(FREQ) CSS CI R(C) C(C) TPS55340-Q1 VIN SW EN SW FREQ SW SS FB COMP PGND SYNC PGND AGND PGND CO R(SH) R(SL) Typical Application for Boost 3 Description The TPS55340-Q1 device is a monolithic nonsynchronous switching converter with an integrated 5-A, 40-V power switc...