BLF884P datasheet(3/15 Pages) AMPLEON

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BLF884P_BLF884PS#3

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Product data sheet

Rev. 3 — 1 September 2015

3 of 15

BLF884P; BLF884PS

UHF power LDMOS transistor

5. Thermal characteristics

[1]

Rth(j-c) is measured under RF conditions.

6. Characteristics

[1]

ID is the drain current.

[2]

Capacitance values without internal matching.

Table 5.

Thermal characteristics

Symbol Parameter

Conditions

Typ Unit

Rth(j-c)

thermal resistance from junction to case Tcase =80 C; PL(AV) =70 W

[1] 0.22 K/W

Table 6.

DC characteristics

Tj =25 C; per section unless otherwise specified.

Symbol Parameter

Conditions

Min Typ Max Unit

V(BR)DSS drain-source breakdown voltage VGS =0V; ID = 1.2 mA

[1] 104 -

VGS(th)

gate-source threshold voltage

VDS =10 V; ID = 120 mA [1] 1.4 1.9

2.4

IDSS

drain leakage current

VGS =0V; VDS =50V

1.4

A

IDSX

drain cut-off current

VGS =VGS(th) +3.75 V;

VDS =10 V

-19

IGSS

gate leakage current

VGS =10V; VDS = 0 V

140 nA

RDS(on)

drain-source on-state resistance VGS =VGS(th) +3.75 V;

ID =4.25A

[1] -

240 -



Ciss

input capacitance

VGS = 0 V; VDS =50V;

f=1MHz

[2] -

105 -

Coss

output capacitance

VGS = 0 V; VDS =50V;

f=1MHz

-34

Crss

reverse transfer capacitance

VGS = 0 V; VDS =50V;

f=1MHz

-0.7

Table 7.

RF characteristics

RF characteristics in Ampleon production narrowband test circuit; Tcase =25 C unless otherwise

specified.

Symbol Parameter

Conditions

Min Typ Max Unit

2-Tone, class-AB

VDS

drain-source voltage

IDq

quiescent drain current

[1] -0.65 -

PL(AV)

average output power

f1 = 860 MHz;

f2 =860.1 MHz

150 -

power gain

f1 = 860 MHz;

f2 =860.1 MHz

D

drain efficiency

f1 = 860 MHz;

f2 =860.1 MHz

IMD3

third-order intermodulation distortion

f1 = 860 MHz;

f2 =860.1 MHz

32 28

dBc

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