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M57950L 数据表(PDF) 5 Page - Mitsubishi Electric Semiconductor

部件名 M57950L
功能描述  HYBRID IC FOR DRIVING TRANSISTOR MODULES
Download  5 Pages
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制造商  MITSUBISHI [Mitsubishi Electric Semiconductor]
网页  http://www.mitsubishichips.com
标志 MITSUBISHI - Mitsubishi Electric Semiconductor

M57950L 数据表(HTML) 5 Page - Mitsubishi Electric Semiconductor

  M57950L Datasheet HTML 1Page - Mitsubishi Electric Semiconductor M57950L Datasheet HTML 2Page - Mitsubishi Electric Semiconductor M57950L Datasheet HTML 3Page - Mitsubishi Electric Semiconductor M57950L Datasheet HTML 4Page - Mitsubishi Electric Semiconductor M57950L Datasheet HTML 5Page - Mitsubishi Electric Semiconductor  
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Feb.1999
MITSUBISHI HYBRID ICs
M57950L
HYBRID IC FOR DRIVING TRANSISTOR MODULES
M57950L Typical application circuit
M57950L
12
34
56
78
+5V
SINK
10mA
VIN
VEE
+
Cext
R2
Rext
VCC
VO
IO
IC
1/2QM50DY etc.
+
C1
+
C2
50/60HZ
AC
VIN
t
0
VI
–IO
0
IOH(IB1)
IOLP(IB2)
t
t
VO
0
VOH
VOL
R1
ZD
LOAD
INPUT
DRIVER
TTL etc.
EXPLANATION OF FUNCTION
(cf. Fig. 2, 3, 4, and 5)
(1) With low input level (Vin=0 ~ 1V)
Tr1 ...... OFF, Tr2 ...... ON
The base terminal of transistor module is reverse biased with re-
spect to its emitter by reverse power supply VEE.
(2) With high input level (Vin=4 ~ 5V)
Tr1 ...... ON, Tr2 ...... OFF
The base terminal of transistor module is forward biased and
drived by the current IOH through the resistor Rext.
Note: IOH and IOLP correspond to base forward current IB1
and base reverse current IB2 of the transistor module
to be driven respectively.
(3) With low input level (Vin=0 ~ 1V)
Tr1 ...... OFF, Tr2 ...... ON
The base terminal of transistor module is reverse biased as
stated in (1) after flowing reverse recovery pulse current IOLP. The
steady reverse base current is limited by the internal base-emit-
ter resistor RBE of the transistor module.
M57950L Typical operating waveform


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