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STA501 Datasheet(PDF) 6 Page - STMicroelectronics

No. de Pieza. STA501
Descripción  40V 3.5A DOUBLE POWER HALF BRIDGE
Descarga  8 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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STA501 Datasheet(HTML) 6 Page - STMicroelectronics

   
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STA501
6/8
Figure 1. Test Circuit.
Figure 2.
Figure 3.
Low current dead time = MAX(DTr,DTf)
OUTY
Vcc
(3/4)Vcc
(1/2)Vcc
(1/4)Vcc
t
DTf
DTr
Duty cycle = 50%
INY
OUTY
gnd
+Vcc
M58
M57
R 8
+
-
V67 =
vdc = Vcc/2
D02AU1448
INA
INB
+VCC
Q1
Q3
Q2
Q4
OUTA
GND
OUTB
D02AU1450
High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B))
+VCC
Rload=8
Q2
OUTB
DTout(B)
DTin(B)
DTout(A)
C71 470nF
C70
470nF
C69
470nF
Iout=3.5A
Iout=3.5A
Q4
Q1
Q3
M64
INB
M63
D02AU1451
M58
INA
M57
DTin(A)
Duty cycle=A
Duty cycle=B
Duty cycle A and B: Fixed to have DC output current of 3.5A in the direction shown in figure
L68 22
µ
L67 22
µ
OUTA


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