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PDF STA515 Data sheet ( Hoja de datos )
| Número de pieza | STA515 | |
| Descripción | 40V 3.0A Quad Power Half Bridge | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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STA515www.DataSheet4U.com
40V 3.0A QUAD POWER HALF BRIDGE
PRODUCT PREVIEW
1 FEATURES
■ MULTIPOWER BCD TECHNOLOGY
■ MINIMUM INPUT OUTPUT PULSE WIDTH
DISTORTION
■ 200mΩ RdsON COMPLEMENTARY DMOS
OUTPUT STAGE
■ CMOS COMPATIBLE LOGIC INPUTS
■ THERMAL PROTECTION
■ THERMAL WARNING OUTPUT
■ UNDER VOLTAGE PROTECTION
■ SHORT CIRCUIT PROTECTION
2 DESCRIPTION
STA515 is a monolithic quad half bridge stage in Mul-
tipower BCD Technology. The device can be used
also as dual bridge or reconfigured, by connecting
CONFIG pin to Vdd pin, as single bridge with double
current capability.
Figure 1. Package
PSSO36 (slug up)
Table 1. Order Codes
Part Number
STA515
Package
PSSO36 (slug up)
The device is particularly designed to make the out-
put stage of a stereo All-Digital High Efficiency
(DDX™) amplifier capable to deliver an output power
of 20W x 4 channels @ THD = 10% at Vcc 26V on 4Ω
load in single ended configuration.
It can also deliver 40 + 40W @ THD = 10% at Vcc 26V
as output power on 8Ω load in BTL configuration and
60W @ THD = 10% at Vcc 32V on 8Ω in single paral-
leled BTL configuration. The input pins have thresh-
old proportional to VL pin voltage.
Figure 2. AUDIO APPLICATION CIRCUIT ( Quad single ended)
+3.3V
IN1A
IN1A
VL
CONFIG
29
23
24
PWRDN PWRDN 25
R57 R59
10K 10K
FAULT
TH_WAR
C58
100nF
C58
100nF
TRI-STATE
TH_WAR
IN1B
IN1B
VDD
VDD
VSS
VSS
C53
100nF
VCCSIGN
C60
100nF
VCCSIGN
IN2A
IN2A
GND-Reg
GND-Clean
27
26
28
30
21
22
33
34
35
36
31
20
19
PROTECTIONS
&
LOGIC
REGULATORS
IN2B
IN2B 32
GNDSUB
1
M3
M2
M5
M4
M17
M15
M16
M14
VCC1P
15
17
OUTPL
16
OUTPL
14 PGND1P
12 VCC1N
C51
11 1µF
OUTNL
10
OUTNL
13 PGND1N
7 VCC2P
R41
20
C41
330pF
L11 22µH
C71
100nF
R51
6
C61
100nF
R42
20
C42
330pF
L12 22µH
C72
100nF
R52
6
8
OUTPR
9
OUTPR
6 PGND2P
4 VCC2N
C52
3 1µF
OUTNR
2
OUTNR
5 PGND2N
D03AU1474
R43
20
C43
330pF
L13 22µH
C73
100nF
R53
6
C62
100nF
R44
20
C44
330pF
L14 22µH
C74
100nF
R54
6
R61
5K C31 820µF
+VCC
C21
2200µF
C81
100nF
R62
5K
C91
1µF
4Ω
R63
5K C32 820µF
C82
100nF
R64
5K
C92
1µF
4Ω
R65
5K C33 820µF
C83
100nF
R66
5K
C93
1µF
4Ω
R67
5K C34 820µF
C84
100nF
R68
5K
C94
1µF
4Ω
July 2004
This is preliminary information on a new product now in development. Details are subject to change without notice.
REV. 2
1/14
1 page  
STA515
TABLE 7. ELECTRICAL CHARACTERISTCS (continued)
Symbol
Parameter
VIN-L Low level input voltage
Test conditions
IIN-H Hi level Input current
Pin voltage = VL
IIN-L Low level input current
Pin voltage = 0.3V
IPWRDN-H Hi level PWRDN pin input current VL = 3.3V
VLOW Low logical state voltage VLow VL = 3.3V
(pin PWRDN, TRISTATE) (note 1)
VHIGH High logical state voltage VHigh VL = 3.3V
(pin 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
Vcc=30V; Tri-state=0; T=25°C
IVCC
Supply current from Vcc in
operation
(both channel switching)
Vcc=30V;
Input pulse width = 50% Duty;
Switching Frequency = 384Khz;
No LC filters;
IVCC-q Isc (short circuit current limit)
(note 2)
Vcc = 30V;T = 25°C
IOUT-SH Undervoltage protection threshold T = 25°C
VOV Output minimum pulse width
No Load
www.DataSheet4U.com
Min. Typ. Max. Unit
VL/2 -
300mV
V
1 µA
1 µA
35 µA
0.8 V
1.7 V
3 mA
1 mA
22 mA
50 mA
3.0 6 8 A
7V
70 150 ns
Notes: 1. The following table explains the VLOW, VHIGH variation with Ibias
VL VLow min
2.7 0.7
3.3 0.8
5 0.85
VHigh max
1.5
1.7
1.85
Note 2: See relevant Application Note AN1994
Table 8. LOGIC TRUTH TABLE (see fig. 5)
TRI-STATE
0
1
1
1
1
INxA
x
0
0
1
1
INxB
x
0
1
0
1
Q1
OFF
OFF
OFF
ON
ON
Q2
OFF
OFF
ON
OFF
ON
Q3
OFF
ON
ON
OFF
OFF
Unit
V
V
V
Q4
OFF
ON
OFF
ON
OFF
OUTPUT
MODE
Hi-Z
DUMP
NEGATIVE
POSITIVE
Not used
5/14
5 Page 
STA515
Figure 15. THD vs Frequency
THD(%)
1
0.5
0.2
Rl=4 ohm
0.1
Pout=1W
Single Ended
0.05
0.02
0.01
20
50 100 200
500 1k
Freq(Hz)
2k
5k 10k 20k
5.2 The following characterizations are
obtained using the stereo full bridge
configuration (fig. 9) with STA308A
controller
Figure
Po(W) 70
65
60
55
50
45
40
35
30
25
20
15
10
5
16. Output
Rl=8 ohm
F = 1KHz
Stereo Full
BTL
power
vs
Supply
00000THD=10%
000000THD=1%
00000000000V00000000000SP00000000000oianr00000000000galllle00000000000etl00000000000BaT00000000000Lg00000000000 00000000000e00000000000
00000000000
00000000000
00000000000
00000000000
0
+10 +12 +14 +16 +18 +20 +22 +24 +26 +28 +30 +32
Vsupply (V)
Figure 18. Power Disswipwawt.iDoantavSsheOeut4tUp.ucot mPower
Pd (W) 9
8
7
6
5
4
3
2
1
0
0
Vcc=26V
Rl=8ohm
F=1KHz
5 10 15 20 25 30 35 40
2 X Pout (W)
5.3 The following characterizations are
obtained using the single BTL
configuration (fig. 10) with STA308A
controller
Figure 19. THD+N vs Output Power
THD(%) 10
5
2
1
0.5
0.2
0.1
0.05
Vcc=32V
Rl=8ohm
F=1KHz
Single BTL
0.02
0.01
100m 200m
500m 1
2
Pout(W)
5
10 20
50 80
Figure 17. THD+N vs Output Power
THD(%)
10
5
2
1
0.5
Vcc= 26V
Rl=8 ohm
F = 1KHz
Double BTL
0.2
0.1
0.05
0.02
0.01
100m 200m
500m 1
2
5 10 20
Pout(W)
50
11/14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet STA515.PDF ] | |
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