PLA51LA32 - VISHAY - Datasheet.Live

PLA51

www.vishay.com Vishay Sfernice

Revision: 10-Nov-2020 1Document Number: 59059

For technical questions, contact: sferaztronics@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Medium Power Planar Transformer 1 kW to 3 kW

In addition to this standard design of PLA51 many

custom designs can be offered upon request

LINKS TO ADDITIONAL RESOURCES

FEATURES

• For high power density DC/DC converter

application

• Very low profile and weight

• High efficiency: > 99 %

• Recommended frequency range (50 kHz; 400 kHz)

• Operating temperature range: -55 °C; 125 °C with heat

sink dissipation

• Easy-assembly system for cold plates

• Tapped output terminals

• Material temperature grade: 180 °C

• Excellent repeatability

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912



EXAMPLE OF TRANSFORMER APPLICATION: 2 kW DC/DC CONVERTER, PLA51LA32

QUICK REFERENCE DATA

Type Transformer

Size (L x W x H) 70 mm x 53 mm x 22 mm

Terminals Tapped outputs or wires

Power 1000 W to 3000 W

Frequency range 50 kHz to 400 kHz

Inductance range 96 μH to 160 μH

3D Models

POWER SUPPLY

TOPOLOGY FREQUENCY POWER INPUT

VOLTAGE

OUTPUT

VOLTAGE

OUTPUT

CURRENT

DUTY CYCLE

MAX.

Full bridge with

current doubler 100 kHz 2 kW 50 VDC to 110 VDC 30 V 67 A 0.98

STANDARD ELECTRICAL CHARACTERISTICS

INDUCTANCE

(10 kHz; 0.1 V)

LEAKAGE

INDUCTANCE

(10 kHz; 0.1 V)

TURN

RATIO

POWER

LOSSES EFFICIENCY

HIPOT:

PRIMARY / SECONDARY

+ CORE

1500 VAC

HIPOT:

SECONDARY / CORE

128 μH ± 25 % < 150 nH (typical) 3:2 < 17 W > 99 % < 150 μA < 150 μA

PLA51

www.vishay.com Vishay Sfernice

Revision: 10-Nov-2020 2Document Number: 59059

For technical questions, contact: sferaztronics@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

RECOMMENDATIONS FOR MOUNTING

Announced performances are achieved using a liquid cooling system. The internal temperature must be maintained below

160 °C. The user shall correctly size its own heatsink according to real working conditions of his device.

PACKAGING

Individual box.

Notes

•Weight  170 g

• Take care of ferrite core while handling (no shock admitted)

• Terminal fixing: with M4 screw, max. tightening: 1.2 Nm

ELECTRICAL SCHEMES

DIMENSIONS in millimeters (± 0.5)

General tolerance: ± 0.5 mm

PLA51LA32

AZ YY-WW x 4 M4

threaded

nuts

53 max.

25.8

35.2

70 max. 58

22 max.

11.6 ± 1.1

8.4 ± 0.7

6.8 ± 0.6

13.2 ± 1.1

SAP PART NUMBERING

MODEL SIZE STYLE FOOTPRINT RATIO SPECIAL

PLA 51 L = leadframe with nuts

W = wires

A = as shown

in above drawings

(other upon request)

21 = 2 : 1 (on request)

31 = 3 : 1 (on request)

32 = 3 : 2

SR = special ratio

XXXXX =

special code

(6 digits)

RELATED DOCUMENTS

APPLICATION NOTES

Designing With the PLA51 Planar Transformer for Enhanced

Power Density and Efficiency www.vishay.com/doc?59063

Legal Disclaimer Notice

www.vishay.com Vishay

Revision: 01-Jan-2021 1Document Number: 91000

Disclaimer

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