BLF571 datasheet(1/13 Pages) PHILIPS

Part #	BLF571

Description	HF / VHF power LDMOS transistor

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1.

Product proﬁle

1.1 General description

A 20 W LDMOS RF transistor for broadcast applications and industrial applications in the

HF and VHF band.

1.2 Features

I Typical CW performance at frequency of 225 MHz, a supply voltage of 50 V and an IDq

of 50 mA:

N Average output power = 20 W

N Power gain = 27.5 dB

N Efﬁciency = 70 %

I Easy power control

I Integrated ESD protection

I Excellent ruggedness

I High efﬁciency

I Excellent thermal stability

I Designed for broadband operation (10 MHz to 500 MHz)

I Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances

(RoHS)

1.3 Applications

I Industrial, scientiﬁc and medical applications

I Broadcast transmitter applications

BLF571

HF / VHF power LDMOS transistor

Rev. 02 — 24 February 2009

Product data sheet

Table 1.

Production test performance

Mode of operation

f

VDS

PL

Gp

η

D

(MHz)

(V)

(W)

(dB)

(%)

CW

225

50

20

27.5

70

CAUTION

This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken

during transport and handling.

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