sta333mlj13tr STMicroelectronics, sta333mlj13tr Datasheet - Page 9

• Manufacturer Part Number: sta333mlj13tr
• Description: Sound Terminal Tm 2 Channel Microless High Efficiency Digital Audio System
• Manufacturer: STMicroelectronics

STA333ML
4
Testing
Figure 3.
Figure 4.
DTin(A)
Duty cycle=A
INA
Resistive load
Test circuit
Duty cycle = 50%
M58
M57
Low current dead time = MAX(DTr,DTf)
High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B))
Duty cycle A and B: Fixed to have DC output current of 4A in the direction shown in figure
INxY
Q1
Q3
OUTA
Lout = 1.5 A
Iout=4A
DTout(A)
M58
M57
L67 22µ
gnd
470nF
C69
+Vcc
OUTxY
C71 470nF
Rload=8Ω
+V
CC
OUTxY
470nF
L68 22µ
C70
DTr
R 8Ω
DTout(B)
Lout = 1.5 A
Iout=4A
DTf
+
-
OUTB
vdc = Vcc/2
V67 =
Q2
Q4
D03AU1458
t
Vcc
(3/4)Vcc
(1/2)Vcc
(1/4)Vcc
M64
M63
D03AU1517
Duty cycle=B
INB
DTin(B)
Testing
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