By integrating the switching regulator, control circuitry, and inductor into a single package, the modules require very few external components. Some models also include input and output capacitors and require no additional components to power the load, using the factory presets. External resistors can be used to adjust the switching frequency and trigger time as needed. Furthermore, evaluation boards are available for the modules to help quickly select the appropriate model for the desired load.
The MagI 3 C family includes the LDHM high-current LED driver module. Designed to operate with an input voltage of 12, 24, or 48 V, the module can generate an output voltage from 4.5 to 60 V and supply 450 mA for up to 16 LEDs in series, with PWM dimming. Parallel connection capability allows for higher current applications. The driver is housed in a 7-wire TO-263 7EP surface-mount package and is compatible with ceramic and low-ESR capacitors.
Also in the MagI3C family is the VDRM series of variable output step-down modules with TO-263 7EP surface mount or BQFN wireless packages. These modules offer high efficiency and a wide input voltage range for operation with common rail voltages such as 9, 12, 28, or 48 V. Output voltages range from 0.8–6 V, 2.5–15 V, and 5–24 V, powering logic, IC cores, and analog circuits with a maximum current of 1–5 A.
In addition, the fixed-output FDSM versions are available as 3- or 7-pin SIP modules capable of supplying 200 mA, 500 mA, or 1 A at 3.3 or 5 V. Designed for high efficiency with pulse-stepping at light loads, they can operate without a heatsink in many circuits. They include comprehensive protection against output overvoltage and short circuits, and also incorporate thermal shutdown.
MagI3C modules are ideal for a wide variety of applications such as integrated point-of-load converters, I/O interface power supplies, test and measurement instruments, general industrial equipment, electronic medical equipment, and for replacing linear voltage regulators.
