M57925L Mitsubishi, M57925L Datasheet - Page 5

• Manufacturer Part Number: M57925L
• Description: HYBRID IC FOR DRIVING TRANSISTOR MODULES
• Manufacturer: Mitsubishi

EXPLANATION OF FUNCTION
(cf. Fig. 2, 3, 4, and 5)
(1) With low input level (V
(2) With high input level (V
Typical application circuit
Typical operating waveform
The base terminal of transistor module is reverse biased with re-
spect to its emitter by reverse power supply V
The base terminal of transistor module is forward biased and
drived by the current I
input
Tr1 ...... OFF, Tr2 ...... ON
Tr1 ...... ON, Tr2 ...... OFF
–I
V
V
IN
0
O
0
O
0
DRIVER TTL etc.
+5V
OH
V
in
I
V
OH(I
in
=0 ~ 1V)
OH
I
SINK 12mA
=4 ~ 5V)
through the resistor Rext.
B1
)
I
OLP(I
V
V
1
IN
OL
B2
)
2
EE
.
M57925L
3
+
V
EE
4
5
R
2
6
Z
(3) With low input level (V
D
7
R
The base terminal of transistor module is reverse biased as
stated in (1) after flowing reverse recovery pulse current I
steady reverse base current is limited by the internal base-emit-
ter resistor R
1
8
HYBRID IC FOR DRIVING TRANSISTOR MODULES
Tr1 ...... OFF, Tr2 ...... ON
R
t
t
t
ext
Note: I
BE
I
O
of the transistor module.
and base reverse current I
to be driven respectively.
V
OH
1/2QM50DY etc.
O
and I
in
V
=0 ~ 1V)
CC
OLP
+
+
C
C
correspond to base forward current I
MITSUBISHI HYBRID ICs
1
2
I
C
B2
LOAD
of the transistor module
M57925L
Feb.1999
OLP
. The
B1