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STA508 数据表(PDF) 6 Page - STMicroelectronics

部件名 STA508
功能描述  40V 4.5A QUAD POWER HALF BRIDGE
PDF  10 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA508 数据表(HTML) 6 Page - STMicroelectronics

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STA508
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Figure 4. Test Circuit.
Figure 5.
Figure 6.
Low current dead time = MAX(DTr,DTf)
OUTxY
Vcc
(3/4)Vcc
(1/2)Vcc
(1/4)Vcc
t
DTf
DTr
Duty cycle = 50%
INxY
OUTxY
gnd
+Vcc
M58
M57
R 8
Ω
+
-
V67 =
vdc = Vcc/2
D03AU1458
INxA
INxB
+VCC
Q1
Q3
Q2
Q4
OUTxA
GND
OUTxB
D00AU1134
High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B))
+VCC
Rload=8
Ω
Q2
OUTB
DTout(B)
DTin(B)
DTout(A)
C71 470nF
C70
470nF
C69
470nF
Iout=4A
Iout=4A
Q4
Q1
Q3
M64
INB
M63
D03AU1517
M58
INA
M57
DTin(A)
Duty cycle=A
Duty cycle=B
Duty cycle A and B: Fixed to have DC output current of 4A in the direction shown in figure
L68 22
µ
L67 22
µ
OUTA



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