參數(shù)資料
型號: IRS2336DSPBF
廠商: International Rectifier
英文描述: HIGH VOLTAGE 3 PHASE GATE DRIVER IC
中文描述: 3相高壓柵極驅動器集成電路
文件頁數(shù): 30/45頁
文件大?。?/td> 952K
代理商: IRS2336DSPBF
IRS2336xD Family
www.irf.com
2007 International Rectifier
30
V
S
(x3)
H
HO
(x3)
V
B
(x3)
LO
(x3)
COM
DC+ BUS
DC- BUS
V
CC
D
BS
C
BS
V
SS
R
G,LO
R
G,HO
V
S1
V
S2
V
S3
R
1
R
2
R
0
V
GE1
+
-
V
GE2
+
-
V
GE3
+
-
ITRIP
V
X
+
-
Figure 24: Separate V
SS
and COM pins
Tolerant to Negative V
S
Transients
A common problem in today’s high-power switching converters is the transient response of the switch node’s voltage
as the power switches transition on and off quickly while carrying a large current. A typical 3-phase inverter circuit is
shown in Figure 25; here we define the power switches and diodes of the inverter.
If the high-side switch (e.g., the IGBT Q1 in Figures 26 and 27) switches off, while the U phase current is flowing to
an inductive load, a current commutation occurs from high-side switch (Q1) to the diode (D2) in parallel with the low-
side switch of the same inverter leg. At the same instance, the voltage node V
S1
, swings from the positive DC bus
voltage to the negative DC bus voltage.
Figure 25: Three phase inverter
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