Datasheet
SLIS032A − JULY 1995 − REVISED MAY 2005
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
4−7,
14−17
TEST CIRCUIT
SWITCHING TIMES
G
5 V
50%
24 V
0.5 V
90%
10%
t
PLH
t
r
50%
90%
10%
t
PHL
t
f
SRCK
5 V
50%
SER IN
5 V
50%
50%
t
su
t
h
t
w
INPUT SETUP AND HOLD WAVEFORMS
5 V 24 V
V
CC
DRAIN
SRCLR
SER IN
R
L
= 235 Ω
C
L
= 30 pF
(see Note B)
G
Output
SRCK
RCK
DUT
GND
Output
Word
Generator
(see Note A)
10, 11, 19
8
13
3
12
9
0 V
0 V
0 V
I
D
2
NOTES: A. The word generator has the following characteristics: t
r
≤ 10 ns, t
f
≤ 10 ns, t
w
= 300 ns, pulsed repetition rate (PRR) = 5 kHz,
Z
O
= 50 Ω.
B. C
L
includes probe and jig capacitance.
Figure 2. Test Circuit, Switching Times, and Voltage Waveforms
0.1 A
I
F
0
I
RM
25% of I
RM
t
a
t
rr
di/dt = 20 A/µs
+
−
2500 µF
250 V
L = 1 mH
I
F
(see Note A)
R
G
V
GG
(see Note B)
Driver
TP A
50 Ω
Circuit
Under
Test
DRAIN
25 V
t
1
t
3
t
2
TP K
TEST CIRCUIT CURRENT WAVEFORM
NOTES: A. The DRAIN terminal under test is connected to the TP K test point. All other terminals are connected together and connected to the
TP A test point.
B. The V
GG
amplitude and R
G
are adjusted for di/dt = 20 A/µs. A V
GG
double-pulse train is used to set I
F
= 0.1 A, where t
1
= 10 µs,
t
2
= 7 µs, and t
3
= 3 µs.
Figure 3. Reverse-Recovery-Current Test Circuit and Waveforms of Source-to-Drain Diode