STA533WF STMicroelectronics, STA533WF Datasheet - Page 6

• Manufacturer Part Number: STA533WF
• Description: AMP, AUDIO, POWER, QUAD, POWERSO36
• Manufacturer: STMicroelectronics

Specifications of STA533WF

• No. Of Channels: 4
• Output Power: 40W
• Supply Voltage Range: 5V To 18V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Amplifier Case Style: PowerSSO
• No. Of Pins: 36
• Svhc: No SVHC
• Rohs Compliant: Yes

Electrical characteristics
6/15
Table 7.
Test circuits
Figure 2.
Figure 3.
0
1
1
1
1
PWRDN
Pin
DTin(A)
Duty cycle=A
INxA
TRISTATE
0
1
1
1
1
Logic truth table
Test circuit
Current dead time test circuit
Pin
Duty cycle = 50%
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 Iout in the direction shown in figure
x
0
0
1
1
Inputs as per
Low current dead time = MAX(DTr,DTf)
INxY
INxA
Q1
Q3
OUTxA
DTout(A)
Iout
Doc ID 17658 Rev 1
x
0
1
0
1
22µ
470nF
Figure 3
INxB
gnd
+Vcc
OUTxY
Rload=8Ω
470nF
+V
Off
Off
Off
On
On
CC
Transistors as per
Q1
OUTxY
470nF
Off
Off
On
Off
On
22µ
DTr
Q2
R 8Ω
DTout(B)
Iout
Off
On
On
Off
Off
DTf
+
-
OUTxB
Q3
vdc = Vcc/2
D03AU1458
Figure 3
Q2
Q4
t
Off
On
Off
On
Off
Vcc
(3/4)Vcc
(1/2)Vcc
(1/4)Vcc
Q4
D00AU1162_00
Hi Z
Dump
Negative
Positive
Not used
Output mode
Duty cycle=B
STA533WF
INxB
DTin(B)