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PDF STA502 Data sheet ( Hoja de datos )
| Número de pieza | STA502 | |
| Descripción | 40V 4A Double Power Half Bridge | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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STA502
40V 4A DOUBLE POWER HALF BRIDGE
s MINIMUM INPUT OUTPUT PULSE WIDTH
DISTORTION
MULTIPOWER BCD TECHNOLOGY
s 200mΩ RdsON COMPLEMENTARY DMOS
OUTPUT STAGE
s CMOS COMPATIBLE LOGIC INPUTS
ms THERMAL PROTECTION
s THERMAL WARNING OUTPUT
os UNDER VOLTAGE PROTECTION
.cDESCRIPTION
USTA502 is a monolithic dual half bridge stage in Mul-
tipower BCD Technology.
t4The device is particularly designed to make the out-
put stage of a mono All-Digital High Efficiency
eAUDIO APPLICATION CIRCUIT
PowerSO36
ORDERING NUMBER: STA502
(DDX™) amplifier capable to deliver 60W @ THD =
10% at Vcc 32V output power on 8Ω load. The input
pins have threshold proportional to Ibias pin voltage.
She+3.3V
IBIAS
CONFIG
23
24
PWRDN PWRDN 25
taR57 R59
10K 10K
FAULT
.DaTH_WAR
wC58
w100nF
C58
100nF
TRI-STATE
TH_WAR
C53
100nF
C60
100nF
VDD
VDD
VSS
VSS
VCCSIGN
VCCSIGN
wINA
INA
mGND-Reg
.coGND-Clean
INB
UINB
t4GNDSUB
eN.C.
heN.C.
27
26
28
21
22
33
34
35
36
31
20
19
32
1
10
11
PROTECTIONS
&
LOGIC
REGULATORS
M17
M15
M16
M14
15 VCC
C30
1µF
14
GND
12
VCCB
GND
13
C31
1µF
GND
29
GND
30
16 N.C.
17 N.C.
7 VCCA
C32
1µF
8
OUTA
9
OUTA
6 GNDA
4 VCCB
3
OUTB
2
OUTB
5 GNDB
C33
1µF
+VCC
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
www.DataSSeptember 2003
1/8
1 page  
STA502
ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
Test conditions
IIN-L Low level input current
Pin voltage = 0.3V
IPWRDN-H Hi level PWRDN pin input current Ibias = 3.3V
VL Low logical state voltage VL (pin Ibias = 3.3V
PWRDN, TRISTATE) (note 1)
VH High logical state voltage VH (pin Ibias = 3.3V
PWRDN, TRISTATE) (note 1)
IVCC- Supply current from Vcc in Power PWRDN = 0
PWRDN Down
IFAULT
Output Current pins
FAULT -TH-WARN when
FAULT CONDITIONS
Vpin = 3.3V
IVCC-hiz Supply current from Vcc in Tri-
state
Tri-state=0;
IVCC
Supply current from Vcc in
operation
(both channel switching)
Input pulse width = 50% Duty;
Switching Frequency = 384KHz;
No LC filters;
IVCC-q Isc (short circuit current limit)
VOUT-SH Undervoltage protection threshold
VOV Output minimum pulse width
No Load
Min.
0.8
4
70
Typ.
1
35
Max.
Unit
µA
µA
V
1.7 V
3 mA
1 mA
22 mA
80 mA
68A
7V
150 ns
Notes: 1. The following table explains the VL, VH variation with Ibias
Ibias
VLmin
VHmax
Unit
2.7 0.7 1.5
V
3.3 0.8 1.7
V
5
0.85
1.85
V
LOGIC TRUTH TABLE (see fig. 2)
TRI-STATE
INA
INB
0xx
100
101
110
111
Q1
OFF
OFF
OFF
ON
ON
Q2
OFF
OFF
ON
OFF
ON
Q3
OFF
ON
ON
OFF
OFF
Q4
OFF
ON
OFF
ON
OFF
OUTPUT
MODE
Hi-Z
DUMP
NEGATIVE
POSITIVE
Not used
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet STA502.PDF ] | |
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