參數(shù)資料
型號(hào): PM50RLA120
廠(chǎng)商: Mitsubishi Electric Corporation
英文描述: FLAT-BASE TYPE INSULATED PACKAGE
中文描述: 平性基地型絕緣包裝
文件頁(yè)數(shù): 6/6頁(yè)
文件大?。?/td> 98K
代理商: PM50RLA120
MITSUBISHI <INTELLIGENT POWER MODULES>
PM50RLA120
FLAT-BASE TYPE
INSULATED PACKAGE
Oct. 2003
NOTES FOR STABLE AND SAFE OPERATION ;
Design the PCB pattern to minimize wiring length between opto-coupler and IPM
s input terminal, and also to minimize the
stray capacity between the input and output wirings of opto-coupler.
Connect low impedance capacitor between the Vcc and GND terminal of each fast switching opto-coupler.
Fast switching opto-couplers: t
PLH
, t
PHL
0.8
μ
s, Use High CMR type.
Slow switching opto-coupler: CTR > 100%
Use 4 isolated control power supplies (V
D
). Also, care should be taken to minimize the instantaneous voltage charge of the
power supply.
Make inductance of DC bus line as small as possible, and minimize surge voltage using snubber capacitor between P and N
terminal.
Use line noise filter capacitor (ex. 4.7nF) between each input AC line and ground to reject common-mode noise from AC line
and improve noise immunity of the system.
OUT
Si
OT
OT
OT
OT
OT
OT
OT
GND
GND
In
Vcc
U
V
W
B
N
P
M
IF
+
: Interface which is the same as the U-phase
OUT
Si
GND
GND
In
Vcc
OUT
Si
GND
GND
In
Vcc
OUT
Si
GND
GND
In
Fo
Fo
Fo
Fo
Vcc
OUT
Si
GND
GND
In
Fo
Vcc
OUT
Si
GND
GND
In
Fo
Vcc
VWP1
Fo
WP
VWPC
UN
VN
VN1
WN
VNC
Rfo
Rfo
Rfo
Rfo
Fo
VVP1
Fo
VP
VVPC
0.1
μ
4.7k
1k
0.1
μ
0.1
μ
20k
20k
20k
10
μ
10
μ
10
μ
20k
10
μ
0.1
μ
Fo
VUP1
UP
VUPC
Br
IF
IF
IF
5V
IF
OUT
Si
GND
GND
In
Fo
Vcc
V
D
V
D
V
D
V
D
Fig. 8 Application Example Circuit
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