E2Q0033-38-72
¡ electronic components
This version: Jul. 1998
Previous version: Jan. 1998
KGF1631
¡
electronic components
KGF1631
Power FET (Plastic Package Type)
GENERAL DESCRIPTION
The KGF1631, housed in a SOT-89 type plastic-mold package, is a discrete GaAs power FET that
features high efficiency and high output power. The KGF1631 specifications are guaranteed to
a fixed matching circuit for 3.4 V and 850 MHz; external impedance-matching circuits are also
required. The KGF1631 provides an output power of more than 24dBm at 3.4V, with high
efficiency (50% typ.) and high gain (21dB typ.). The device is optimized for transmitter driver
amplifier applications for Portable Handy Phones (PHPs) and other 3-V cellular phones.
FEATURES
• High output power: 24 dBm (min.)
• High gain: 21dB (typ.)
• High efficiency: 50% (typ.)
• Specifications guaranteed to a fixed matching circuits for 3.4 V, 850 MHz
• Package: 3PMMP (SOT-89 type)
PACKAGE DIMENSIONS
4.5
±
0.1
1.6
+0.15
–0.10
1.5
±
0.1
2.5
±
0.1
1
±
0.2
4
±
0.2
0.48
+0.08
–0.05
0.4
+0.08
–0.05
1.5
±
0.1 1.5
±
0.1
3
±
0.1
0.4
+0.08
–0.05
0.39
±
0.05
Package material
Lead frame material
Pin treatment
Solder plate thickness
Epoxy resin
Cu
Solder plating
5
mm
or more
(Unit: mm)
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¡ electronic components
KGF1631
MARKING
(1)
D5
XX
PRODUCT TYPE
(2)
LOT NUMBER
(NUMERICAL or
ALPHABETICAL)
(3)
(1) Gate
(2) Source
(3) Drain
CIRCUIT
Drain(3)
Gate(1)
Source(2)
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¡ electronic components
KGF1631
ABSOLUTE MAXIMUM RATINGS
Item
Drain-source voltage
Gate-source voltage
Drain current
Total power dissipation
Channel temperature
Storage temperature
Symbol
V
DS
V
GS
I
DS
P
tot
T
ch
T
stg
Condition
Ta = 25°C
Ta = 25°C
Ta = 25°C
Ta = Tc = 25°C
—
—
Unit
V
V
A
W
°C
°C
Min.
—
–5
—
—
—
–45
Max.
8
0.4
0.8
2
150
125
ELECTRICAL CHARACTERISTICS
(Ta = 25°C)
Item
Gate-source leakage current
Gate-drain leakage current
Drain-source leakage current
Drain current
Gate bias Q point
Output power
Drain efficiency
Linear gain
Thermal resistance
Symbol
I
GSS
I
GDO
I
DS(off)
I
DSS
V
GSQ
P
O
h
D
G
LIN
R
th
Condition
V
GS
= –5 V
V
GD
= –13 V
V
DS
= 8 V, V
GS
= –5 V
V
DS
= 1.5 V, V
GS
= 0 V
V
DS
= 3.4 V, I
DSQ
= 70 mA
(*1), P
IN
= 7 dBm
(*1), P
IN
= 7 dBm
(*1), P
IN
= 0 dBm
Channel to case
Unit
mA
mA
mA
mA
V
dBm
%
dB
°C/W
Min.
—
—
—
500
–3.0
24
45
—
—
Typ.
—
—
—
—
—
24.5
50
21
40
Max.
50
500
500
—
–2.0
—
—
—
—
*1 Condition: f = 850 MHz, V
DS
= 3.4 V, I
DSQ
= 70 mA
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KGF1631
RF CHARACTERISTICS
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¡ electronic components
KGF1631
Typical S Parameters
V
DS =
3.4V, I
DS =
60mA
Freq(MHz) MAG(S
11
) ANG(S
11
) MAG(S
21
) ANG(S
21
) MAG(S
12
) ANG(S
12
) MAG(S
22
) ANG(S
22
)
500.0
600.0
700.0
800.0
900.0
1000.0
1100.0
1200.0
1300.0
1400.0
1500.0
1600.0
1700.0
1800.0
1900.0
2000.0
2100.0
2200.0
2300.0
2400.0
2500.0
2600.0
2700.0
2800.0
2900.0
3000.0
0.912
0.890
0.877
0.862
0.852
0.844
0.836
0.829
0.820
0.818
0.811
0.806
0.803
0.794
0.792
0.783
0.781
0.774
0.769
0.764
0.757
0.753
0.746
0.741
0.736
0.734
–82.96
–95.50
–105.77
–114.69
–122.49
–129.11
–135.35
–140.56
–145.56
–150.19
–154.29
–158.37
–162.27
–165.60
–169.02
–172.51
–175.43
–178.78
178.27
175.35
172.17
169.62
166.72
164.19
161.65
159.07
5.291
5.203
4.901
4.748
4.402
4.185
3.952
3.727
3.526
3.325
3.162
3.008
2.860
2.727
2.626
2.499
2.420
2.316
2.242
2.159
2.083
2.024
1.951
1.897
1.827
1.778
125.03
117.02
109.97
103.99
98.78
93.87
89.28
85.04
81.18
77.31
73.59
70.23
66.68
63.99
60.15
57.37
54.00
50.98
47.99
44.96
42.18
39.18
36.14
33.39
30.30
28.02
0.051
0.055
0.059
0.062
0.064
0.067
0.069
0.071
0.072
0.074
0.075
0.077
0.078
0.079
0.081
0.082
0.083
0.084
0.086
0.087
0.089
0.089
0.091
0.092
0.094
0.093
45.92
40.96
36.59
33.33
30.12
27.58
25.41
23.21
21.66
19.64
18.31
16.52
15.41
13.93
12.77
11.31
10.49
8.76
7.84
6.58
5.47
4.46
3.18
1.83
0.39
–0.72
0.293
0.318
0.339
0.350
0.363
0.368
0.375
0.378
0.383
0.385
0.385
0.387
0.387
0.388
0.386
0.386
0.386
0.385
0.383
0.383
0.381
0.379
0.377
0.377
0.376
0.377
–139.69
–145.24
–149.01
–152.49
–155.70
–158.02
–160.24
–162.50
–164.25
–166.00
–167.91
–169.46
–171.06
–172.92
–174.22
–175.82
–177.63
–178.86
179.19
177.94
176.06
174.75
173.09
171.74
169.90
168.25
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