Altera Distributor

EN5319QI Power Converter


1.5 A high efficiency, small-footprint, DC-DC step-down converter from Altera


Altera's EN5319QI Power ConverterThe Altera EN5319QI is part of a pin compatible family of low-profile, high efficiency, synchronous buck converters. Pin compatibility provides a single solution footprint enabling a scalable, copy and paste solution for embedded computing, FPGAs, ASICs and embedded processors.

A complete Power System-on-a-Chip (PowerSoC), the EN5319QI integrates the inductor, controller, power MOSFETs, gate drive and loop compensation in a tiny 4 mm x 6 mm x 1.1 mm package with a total solution footprint of only 55 mm². The 1.1 mm height and small footprint enables the use of this part where space and available height is at a premium.

The simple design and small external BOM enable fast time to market. The loop compensation can be adjusted to accommodate a range of output filter capacitor requirements. Unlike discrete power products, Enpirion’s turnkey point-of-load power solution gives the designer a complete power system that is fully simulated, characterized, validated and production qualified.

Features
  • High reliability; 2.7 FITs; 42,000 years MTTF
  • Simple resistor divider VOUT programming
  • 4 mm x 6 mm x 1.1 mm low-profile QFN-24 package
  • 3.2 MHz switching frequency enables small I/O filter capacitors
  • No thermal derating required over industrial temperature range
  • Pin-compatible and scalable family of synchronous DCDC Buck converters: EN5319QI (1.5A), EN5329QI (2A) and EN5339QI (3A) PowerSoCs
  • Power OK signal
  • High efficiency; up to 95% peak
  • 1.5 A continuous output current
  • 2.4 V to 5.5 V input range
  • Fully RoHS compliant and Halogen free
  • Integrated inductor
  • Pb-free manufacturing line compatible

Digi-Key P/N Manufacturer P/N Description  
544-2848-1-ND EN5319QI DC/DC CONVERTER 0.6-5.05V 8W Datasheet
544-2996-ND EN5319QI-E EVAL BOARD FOR EN5319QI Datasheet