1,000-W AC/DC baseplate-cooled power modules offer improved efficiencies
The TDK-Lambda PFE1000FA Series AC/DC power modules represent a significant upgrade to the PFE1000F Series launched eight years ago. The new series achieves up to a 4% efficiency improvement (up to 90%). Like the existing models, the PFE series enables designers to utilize a single device containing power-factor correction, regulation, and input/output isolation. These modules have been used in outdoor and liquid-cooled power systems, addressing the need for fan-less applications in the industrial, COTS, signage, and communications markets.
Operating from a universal input of 85 to 265 VAC, the PFE1000FA models are available with nominal outputs of 12, 28 and 48 VDC and can be adjusted ±20% via a trim-pin. All the power modules can deliver full power with an operating baseplate temperature range of -40 to +100°C (+85°C for the 28-V and 48-V models below 170 VAC). An isolated module good signal, remote on/off, 12-V standby output, overvoltage, overcurrent, and overtemperature protection is included on all models.
The package size and pin-out is in the same 100 x 13.4 x 160-mm format as the original series, allowing an easy upgrade of existing designs for up to 30% lower power losses and reduced temperatures. An enhancement to the PFC circuit gives a more sinusoidal input current wave form, providing lower harmonic currents as defined by the IEC 61000-3-2 standard. The warranty has been extended to 5 years.
The TDK-Lambda PFE1000FA Series is certified to the safety standards of UL/CSA/EN 60950-1 and is CE marked according to the Low Voltage and RoHS2 Directives.
Major applications include industrial, COTS, LED-signage, test-and-measurement, broadcast, and communications equipment.