The Wurth Electronics FISM series MagI³C power module features fixed input voltages of 3.3 V, 5 V, 12 V, and 24 V and fixed 5 V output, and is designed to be particularly suitable for applications in the field of interface isolation/communication (RS232, RS485, CAN) to eliminate ground loops. Typical 24 V to 5 V conversion at 0.2 A achieves 80% for SIP-4 and 81% for SIP-7 efficiency.
The FISM series of the MagI³C power modules are fixed output voltage, fully integrated DC/DC power supplies. The modules integrate the switching power stage, inductor, input, and output capacitors all in one package.
No external components for operation are required. Design effort and complexity is reduced to a minimum ensuring fast time to market and low development costs. The standard THT package allows for easy assembly.
Characteristics
- Simplest design (no transformer design know how required)
- Leaded through-hole package for easy manufacturing and prototyping
- Standalone solution (CIN and COUT integrated, no external components)
- Simple functional isolation for overvoltage protection, avoiding ground loops, ground shift, and noise in signal path or sensor systems
- Industrial standard package and pin configuration
- Low conducted and radiated EMI (compliant to EN55022 class B)
- UL60950 certified
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Applications |
- 1 kV / 4 kV DC functional isolation
- Current capability up to 0.2 A
- Nominal input voltage rails: 3.3 V / 5 V / 12 V / 24 V
- Output voltage: 5 V unregulated
- No minimum load required
- Continuous output power: 1 W
- Integrated capacitors and transformer
- Low output voltage ripple: typ. 60 mV at full load
- Output voltage accuracy: 5% max
- -40°C to +85°C ambient operating temperature range
- RoHS and REACH compliant
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- Interface/bus isolation: RS232, RS485, CAN, Interbus, Profibus
- Isolation of digital circuits
- Sourcing isolated amplifier, analog-to-digital converter
- Measurements and data acquisition
- Industrial control
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