DYNAMIC CHARACTERISTICS

ARF521

Symbol

C

iss

C

oss

C

rss

t

d(on)

t

r

t

d(off)

t

f

Characteristic

Input Capacitance

Output Capacitance

Reverse Transfer Capacitance

Turn-on Delay Time

Rise Time

Turn-off Delay Time

Fall Time

Test Conditions

V

V

f = 1 MHz

V

V

I

R

MIN

TYP

MAX

780

900

125

150

710

5.1

10

4.1

8

12

18

4.0

7

UNIT

pF

ns

FUNCTIONALCHARACTERISTICS

Symbol

G

PS

η

ψ

Test Conditions

f = 81MHz

I

V

No Degradation in Output Power

Characteristic

Common Source Amplifier Power Gain

Drain Efficiency

Electrical Ruggedness VSWR 5:1

MIN

TYP

MAX

14

15

50

55

UNIT

dB

%

APT Reserves the right to change, without notice, the specifications and information contained herein.

FREQUENCY (MHz)

Figure 1, Typical Gain vs. Frequency

25

20

15

10

0

25

50

75

100

125

150

Class AB

V

P

1

5

10

50 100

500

Figure 4, Typical Maximum Safe Operating Area

TC =+25°C

TJ=+175°C

SINGLE PULSE

40

10

5

1

.5

.1

1ms

10ms

100us

OPERATION HERE

DC

100ms

Figure 2, Typical Capacitance vs. Drain-to-Source Voltage

3000

1000

500

100

50

10

1

.1

1

10

100 200

Ciss

Coss

Crss

30

25

20

15

10

5

0

02

4

6

8

10

Figure 3, Typical Transfer Characteristics

VDS> ID (ON) x RDS (ON)MAX.

250µSEC. PULSE TEST

@ <0.5 % DUTY CYCLE

TJ = -55°C

TJ = -55°C

TJ = +125°C

TJ = +25°C