PKM4218LEPI datasheet(1/37 Pages) ERICSSON

Part #	PKM4218LEPI

Description	36-75 Vdc DC/DC converter Output up to 20 A/50 W

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Manufacturer	ERICSSON [Ericsson]

Direct Link	http://www.ericsson.com

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36-75 Vdc DC/DC converter

Output up to 20 A/50 W

PKM 4000E Series

Contents

Product Program . . . . . . . . . . . . . . . . . . . . . . 2

Quality Statement . . . . . . . . . . . . . . . . . . . . . 2

Limitation of Liability . . . . . . . . . . . . . . . . . . . 2

Mechanical Information . . . . . . . . . . . . . . . . . 3

Mechanical Information HS-Option . . . . . . . . 4

Absolute Maximum Ratings . . . . . . . . . . . . . 5

Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Safety Specification . . . . . . . . . . . . . . . . . . . 6

Product Qualification Specification . . . . . . . . 7

PKM 4218LE PI - 1 .2 V Data . . . . . . . . . . . . . 8

PKM 4318HE PI - 1 .5 V Data . . . . . . . . . . . 11

PKM 4318GE PI - 1 .8 V Data . . . . . . . . . . . 14

PKM 4319E PI - 2 .5 V Data . . . . . . . . . . . . . 17

PKM 4510E PI - 3 .3 V Data . . . . . . . . . . . . . 20

PKM 4511E PI - 5 .0 V Data . . . . . . . . . . . . . 23

PKM 4513E PI - 12 V Data . . . . . . . . . . . . . 26

PKM 4515E PI - 15 V Data . . . . . . . . . . . . . 29

EMC Specification . . . . . . . . . . . . . . . . . . . . 32

Operating Information . . . . . . . . . . . . . . . . . 33

Thermal Consideration . . . . . . . . . . . . . . . . 35

Soldering Information . . . . . . . . . . . . . . . . . 36

Delivery Package Information . . . . . . . . . . . 36

Compatibility with RoHS requirements . . . . 36

Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Sales Offices and Contact Information . . . . 37

Datasheet

The PKM 4000E series of high efficiency DC/DC

converters are designed to provide high quality on-board

power solutions in distributed power architectures used

in Internetworking equipment in wireless and wired

communications applications . The PKM 4000E series

has industry standard quarter brick footprint and pin-out

and is only 8 .5 mm (0 .33 in) high . This makes it extremely

well suited for narrow board pitch applications with board

spacing down to 15 mm (0 .6 in) . The PKM 4000E series

uses patented synchronous rectification technology and

achieves an efficiency up to 90% at full load . Ericsson’s

PKM 4000E series addresses both the industrial and the

emerging telecom market for applications in the multi-

service network by specifying the input voltage range in

accordance with ETSI specifications . Included as standard

features are output over-voltage protection, input under-

voltage protection, over temperature protection, soft-start,

output short circuit protection, remote sense, remote control,

and output voltage adjust function . These converters are

designed to meet high reliability requirements and are

manufactured in highly automated manufacturing lines and

meet world-class quality levels .

Ericsson Power Modules is an ISO 9001/14001 certified

supplier.

Key Features

• Industry standard Quarter-brick

57 .9 x 36 .8 x 8 .5 mm (2 .28 x 1 .45 x 0 .33 in)

• High efficiency, typ . 90 % at 3 .3 Vout half load

• 1500 Vdc input to output isolation, meets isolation

requirements equivalent to basic insulation according

to IEC/EN/UL 60950

• More than 7 .0 million hours predicted MTBF at +40 ºC

ambient temperature

E

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