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STA515W 데이터시트(PDF) 7 Page - STMicroelectronics

부품명 STA515W
상세설명  40-volt, 3-amp, quad power half bridge
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STA515W
Electrical characteristics
Doc ID 11079 Rev 2
7/14
Test circuits
Figure 3.
Test circuit
Figure 4.
Current dead time test circuit
Table 7.
Threshold switching voltage variation with voltage on pin VL
Voltage on pin VL, VL
VLOW max
VHIGH min
Unit
2.7
0.7
1.5
V
3.3
0.8
1.7
V
5.0
0.85
1.85
V
Table 8.
Logic truth table
Pin
TRISTATE
Inputs as per Figure 4
Transistors as per Figure 4
Output mode
INxA
INxB
Q1
Q2
Q3
Q4
0
x
x
Off
Off
Off
Off
Hi Z
100Off
Off
On
On
Dump
101Off
On
On
Off
Negative
110On
Off
Off
On
Positive
111On
On
Off
Off
Not used
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
R 8
+
-
vdc = Vcc/2
D03AU1458
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=4.5A
Iout=4.5A
Q4
Q1
Q3
INB
D03AU1517
INA
DTin(A)
Duty cycle=A
Duty cycle=B
Duty cycle A and B: Fixed to have DC output current of 4.5A in the direction shown in figure
L68 22
µ
L67 22
µ
OUTA


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