STA501 Datasheet, PDF (1/8 Pages) STMicroelectronics – 40V 3.5A DOUBLE POWER HALF BRIDGE

STA501
40V 3.5A DOUBLE POWER HALF BRIDGE
s MINIMUM INPUT OUTPUT PULSE WIDTH
DISTORTION
s 200mΩ R_dsON COMPLEMENTARY DMOS
OUTPUT STAGE
s CMOS COMPATIBLE LOGIC INPUTS
s THERMAL PROTECTION
s THERMAL WARNING OUTPUT
s UNDER VOLTAGE PROTECTION
DESCRIPTION
STA501 is a monolithic dual half bridge stage in Mul-
tipower BCD Technology.
The device is particularly designed to make the out-
put stage of a mono All-Digital High Efficiency
AUDIO APPLICATION CIRCUIT
MULTIPOWER BCD TECHNOLOGY
PowerSO36
ORDERING NUMBER: STA501
(DDX™) amplifier capable to deliver 50W @ THD =
10% at V_cc 30V output power on 8Ω load. The input
pins have threshold proportional to Ibias pin voltage.
+3.3V
IBIAS 23
CONFIG 24
PWRDN PWRDN 25
R57
R59
10K
10K
FAULT 27
26
C58
100nF
TRI-STATE
TH_WAR
TH_WAR 28
V_DD 21
V_DD 22
V_SS 33
V_SS 34
C58
100nF
C53
100nF
C60
100nF
V_CCSIGN ₃₅
V_CCSIGN ₃₆
INA
INA 31
GND-Reg
20
GND-Clean
19
INB
INB
32
GNDSUB
1
N.C. 10
N.C. 11
PROTECTIONS
&
LOGIC
REGULATORS
M17
M15
M16
M14
15 ^VCC
C30
1µF
14
GND
12
V_CCB
C31
1µF
GND
13
GND
29
GND
30
16 N.C.
17 N.C.
7 V_CCA
C32
1µF
8
OUTA
9
OUTA
6 GNDA
4 V_CCB
C33
3
1µF
OUTB
2
OUTB
5 GNDB
+V_CC
C55
1000µF
L113 22µH
C110
100nF
C109
330pF R103
6
R104 _R102
20
6
C111
100nF
L112 22µH
D02AU1447
C107
100nF
C108
470nF
C106
100nF
December 2003
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