MagI³C-FDSM Series: Fixed Step-Down Regulator Modules

Würth Elektronik fixed, step-down regulator power module family includes input voltages from 4.75 V to 74.5 V

Image of Würth Elektroniks MagI3C-FDSM Power ModulesWürth Elektronik FDSM series are fixed-output, fully integrated DC/DC power supplies. The modules integrate the switching power stage, control circuitry, inductor, and the input and output capacitors. Some higher voltage devices require external input capacitors. No loop compensation is needed, reducing design effort and ensuring fast time to market. The standard SIP-3 THT package is pin-compatible with LM78 linear regulators. The modules meet low noise electromagnetic emission standards (EN 55022/EN 55032 Class B).

Application Notes

Characteristics and features
  • Output current: 0.5 A. 1 A, and 2 A
  • Input voltage range: 4.75 V to 74.5 V
  • Output voltages: 3.3 V, 5 V, 12 V, and 15 V
  • Peak efficiency: up to 93%
  • Output ripple: 15 mVpp to 30 mVpp
  • Protections: short-circuit, current limit, thermal shutdown, and UVLO
  • Low EMI (class B compliant)
  • Package: SIP-3, THT, LM78xx-compatible pinout
  • Operating temperature range: -40°C to +85°C
  • RoHS and REACH compliant
Applications
  • 12 V, 24 V, and 48 V rail point-of-load supplies
  • Drop-in replacement for LM78xx linear regulators
  • MCU, MPU, and interface supplies
 
  • Industrial sensors, motor-drive controls, logistics, and automation
  • Servers, telecom, and data systems

FDSM Series MagI³C Power Module

BilledeManufacturer Part NumberTilgængeligt antal PrisVis detaljer
1730105351730105351949 - Immediate$43.11Vis detaljer
17301054217301054251 - Immediate$88.38Vis detaljer
173010578173010578310 - Immediate$47.17Vis detaljer
173011235173011235287 - Immediate$34.36Vis detaljer
1730115351730115351661 - Immediate$26.06Vis detaljer
173950336173950336281 - Immediate$41.34Vis detaljer
173950378173950378615 - Immediate$40.20Vis detaljer
1739505361739505360 - Immediate$41.34Vis detaljer
1739505781739505781049 - Immediate$40.20Vis detaljer
173951236173951236224 - Immediate$20.86Vis detaljer
173951536173951536216 - Immediate$20.86Vis detaljer
173010335173010335412 - Immediate$43.11Vis detaljer
17301034217301034224 - Immediate$83.62Vis detaljer
173010378173010378168 - Immediate$46.22Vis detaljer
Ny hos DigiKey
173020336
17302033611 - Immediate$51.35Vis detaljer
Ny hos DigiKey
173020536
17302053690 - Immediate$50.72Vis detaljer
173950375173950375672 - Immediate$34.36Vis detaljer
173950575173950575537 - Immediate$34.36Vis detaljer
Ny hos DigiKey
173021236
17302123677 - Immediate$51.35Vis detaljer
173951275173951275586 - Immediate$34.36Vis detaljer

ABC of Power Modules Design Guide

BilledeManufacturer Part NumberBeskrivelseTitelForfattereUdgiverTilgængeligt antal PrisVis detaljer
ABC OF POWER MODULES AT APEC744016ABC OF POWER MODULES AT APECABC om strømmodulerSteffen Wolf, Ralf Regenhold, Jan StephanWürth Elektronik0 - ImmediateSee Page for PricingVis detaljer
Updated: 2025-09-18
Published: 2016-07-18