Ultra-wide input DC/DC power modules deliver up to 120-W
The PKB5000W module features an ultra-wide input range of 18 to 75V DC, which means that the device is also suitable for 24 V or 48 V telecom systems. Joining the recently announced PKU5510E, PKE5000 and PKE3000, the PKM5000W series expands upon Ericsson’s portfolio of converters that offer flexible power conversion to applications that require an ultra-wide input voltage range.
The PKM5000W comes in the industry-standard through-hole eighth-brick format, measuring 58.4 x 22.9 x 9.91 mm. In addition to the open-frame version of the module, an optional baseplate version is also available for applications that require conduction cooling.
Offering outstanding thermal performance and derating capabilities, the module delivers high efficiency of typically 91.5 percent at 12 V full load. The single output units offer the nominal outputs of 3.3, 5 or 12 VDC with maximum outputs of up to 30 A and 120 W. Maximum outputs of specific models in the series include: the PKB5110WPI with 3.3 V, 30 A and 99 W; the PKB5111WPI with 5 V, 20 A, 100 W; and the PKB5113WPI with 12 V, 10 A and 120 W.
The PKM5000W series operates over the –40 to +110 degrees C temperature range and provides 2250 VDC input/output (I/O) isolation meeting functional isolation and 1500 V basic insulation safety requirements, according to IEC/EN/UL 60950-1. Other protection features include output-over-voltage protection; input-under-voltage shutdown; over-temperature protection; and output short-circuit protection. The module also has remote sense capability, which can be used to compensate for up to 5% voltage drops between the output pins and the point-of-load.
The PKM5000W power modules are also fitted with a remote control function – with negative and positive logic options available – allowing the product to be turned on/off by an external device such as a semiconductor or mechanical switch, providing the ability to remotely schedule load startup, for example.
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