Philips Semiconductors
P-channel silicon field-effect transistors
DYNAMIC CHARACTERISTICS
Tj = 25 °C unless otherwise specified
Input capacitance, f = 1 MHz
VGS = 10 V; VDS = 0 V
VGS = VDS = 0
Feedback capacitance, f = 1 MHz
VGS = 10 V; VDS = 0 V
Switching times (see Fig.2 + 3)
Delay time
Rise time
Turn-on time
Storage temperature
Fall time
Turn-off time
Test conditions:
Cis
Cis
Crs
td
tr
ton
ts
tf
toff
−VDD
VGS off
RL
VGS on
Product specification
PMBFJ174 to 177
typ.
8
pF
typ.
30
pF
typ.
PMBFJ174
typ.
2
typ.
5
typ.
7
typ.
5
typ. 10
typ. 15
4
175 176
5 15
10 20
15 35
10 15
20 20
30 35
pF
177
20 ns
25 ns
45 ns
20 ns
25 ns
45 ns
10
6
6
12
8
6
560 1200 2000
0
0
0
6V
3V
2900 Ω
0V
handbook, halfpage
−VDD
50 Ω
Vout
RL
Vin
50 Ω
D.U.T
MBK292
Fig.2 Switching times test circuit
VGSoff
INPUT
10%
90%
OUTPUT
10%
90%
tf
ts
10%
90%
tr
td
MBK293
Rise time input voltage < 1 ns
Fig.3 Input and output waveforms
td + tr = ton
ts + tf = toff
April 1995
4