Space IC – Evaluation Kit (SPPL12420EVK) (02/2022)

The SPPL12420EVK is an evaluation board designed to demonstrate all of the features and performance of the SPPL12420RH.

The SPPL12420RH is a radiation hardened monolithic synchronous buck regulator featuring integrated 110 mW MOSFETs that provide continuous 2 A output load current. The board operates over a wide 4.5 V to 24 V input voltage range while providing 3.3 V fixed output voltage with very low output ripple and high efficiency. It features an optional EMC input filter (C10, L2) which can be bypassed.

The SPPL12420EVK is a compact 7.2 x 6.5 cm² double-sided PCB. The board features pin connectors and pole terminals for easy connection to instrumentation and / or system prototypes.

Its compact reference layout may easily be integrated into the prototype layouts.


  • 2 A, 3.3 V output
  • Wide input voltage range: 4.5 V to 24 V
  • High full load and light load efficiency
  • About 4 x 3 cm² reference layout w/o input
  • filter (full board size is 7.2 x 6.5 cm²)
  • Optional input filter
  • Optional test point for current ripple measurements
  • Signals accessible by pin connectors
  • Power signals also accessible by pole terminals


  • High-Density Point-of-Load Regulators
  • Distributed Power Systems
  • Satellite Systems
  • Launch Vehicles