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

ImagineManufacturer Part NumberAvailable QuantityPrețVedeți detalii
1730105351730105352039 - Immediate$29.48Vedeți detalii
17301054217301054261 - Immediate$60.43Vedeți detalii
173010578173010578310 - Immediate$32.25Vedeți detalii
173011235173011235297 - Immediate$23.50Vedeți detalii
1730115351730115351671 - Immediate$17.82Vedeți detalii
173950336173950336281 - Immediate$28.26Vedeți detalii
173950378173950378665 - Immediate$27.48Vedeți detalii
1739505361739505360 - Immediate$28.26Vedeți detalii
1739505781739505781059 - Immediate$27.48Vedeți detalii
173951236173951236224 - Immediate$14.26Vedeți detalii
173951536173951536216 - Immediate$14.26Vedeți detalii
173010335173010335412 - Immediate$29.48Vedeți detalii
17301034217301034224 - Immediate$57.18Vedeți detalii
173010378173010378168 - Immediate$31.60Vedeți detalii
Nou la DigiKey
173020336
17302033611 - Immediate$35.11Vedeți detalii
Nou la DigiKey
173020536
17302053690 - Immediate$34.68Vedeți detalii
173950375173950375672 - Immediate$23.50Vedeți detalii
173950575173950575537 - Immediate$23.50Vedeți detalii
Nou la DigiKey
173021236
17302123677 - Immediate$35.11Vedeți detalii
173951275173951275618 - Immediate$23.50Vedeți detalii

ABC of Power Modules Design Guide

ImagineManufacturer Part NumberDescriereTitluAutor(i)EditorAvailable QuantityPrețVedeți detalii
ABC OF POWER MODULES AT APEC744016ABC OF POWER MODULES AT APECABC of Power ModulesSteffen Wolf, Ralf Regenhold, Jan StephanWürth Elektronik0 - ImmediateSee Page for PricingVedeți detalii
Updated: 2025-09-18
Published: 2016-07-18