STA506A datasheet(1/14 Pages) STMICROELECTRONICS

Part #	STA506A

Description	45V 4A QUAD POWER HALF BRIDGE

PDF	14 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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STA506A

November 2004

This is preliminary information on a new product now in development. Details are subject to change without notice.

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

STA506A is a monolithic quad half bridge stage in

Multipower BCD Technology.

The device can be used as dual bridge or reconfig-

ured, by connecting CONFIG pin to Vdd pin, as single

bridge with double current capability, and as half

bridge (Binary mode) with half current capability.

The device is particularly designed to make the out-

put stage of a stereo All-Digital High Efficiency

(DDX™) amplifier capable to deliver 60 + 60W @

THD = 10% at Vcc 32V output power on 8Ω load and

80W @ THD = 10% at VCC 36V on 8Ω load in single

BTL configuration. In single BTL configuration is also

capable to deliver a peak of 120W @THD = 10% at

VCC = 32V on 4Ω load. The input pins have threshold

proportional to VL pin voltage.

PRODUCT PREVIEW

45V 4A QUAD POWER HALF BRIDGE

Figure 2. Application Circuit (Dual BTL)

L18 22

µH

L19 22

µH

C30

1

µF

C20

100nF

C99

100nF

C101

100nF

C107

100nF

C106

100nF

C23

470nF

C55

1000

µF

C21

100nF

C58

100nF

C58

100nF

R57

10K

R59

10K

R63

20

R98

6

R100

6

C53

100nF

C60

100nF

C31

1

µF

C52

330pF

R104

20

C109

330pF

15

M3

IN1A

VL

CONFIG

PWRDN

FAULT

TRI-STATE

TH_WAR

+3.3V

IN1B

VDD

VSS

VCCSIGN

GND-Reg

GND-Clean

IN2A

IN1B

IN2A

IN2B

PROTECTIONS

&

LOGIC

REGULATORS

29

23

24

25

27

26

28

30

21

22

33

34

35

36

M2

M5

M4

17

16

OUT1A

GND1A

OUT1A

VCC1A

14

12

10

11

OUT1B

GND1B

OUT1B

VCC1B

13

L113 22

µH

L112 22

µH

C32

1

µF

+VCC

C108

470nF

C33

1

µF

7

M17

M15

M16

M14

8

9

OUT2A

GND2A

OUT2A

VCC2A

6

4

2

3

OUT2B

GND2B

D00AU1148B

OUT2B

VCC2B

5

19

31

20

GNDSUB

1

IN2B

32

C110

100nF

C111

100nF

R103

6

R102

6

8

Ω

8

Ω

REV. 2

Figure 1. Package

Table 1. Order Codes

Part Number

Package

STA506A

Power SO36 (Slug Up)

PowerSO36

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