STA501A datasheet(1/9 Pages) STMICROELECTRONICS

No de pièce	STA501A

Description	45V 3.5A DOUBLE POWER HALF BRIDGE

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STA501A

November 2004

1

FEATURES

■

MULTIPOWER BCD TECHNOLOGY

■

MINIMUM INPUT OUTPUT PULSE WIDTH

DISTORTION

■

200m

Ω RdsON COMPLEMENTARY DMOS

OUTPUT STAGE

■

CMOS COMPATIBLE LOGIC INPUTS

■

THERMAL PROTECTION

■

THERMAL WARNING OUTPUT

■

UNDER VOLTAGE PROTECTION

2

DESCRIPTION

STA501A is a monolithic dual half bridge stage in

Multipower BCD Technology.

The device is particularly designed to make the out-

put stage of a mono All-Digital High Efficiency

(DDX™) amplifier capable to deliver 50W @ THD =

10% at Vcc 30V output power on 8Ω load. The input

pins have threshold proportional to VL pin voltage.

45V 3.5A DOUBLE POWER HALF BRIDGE

Figure 2. Audio Application Ciruit

C107

100nF

C106

100nF

C55

1000

µF

C58

100nF

C58

100nF

R57

10K

R59

10K

C53

100nF

C60

100nF

R104

20

C109

330pF

15

VL

N.C.

PWRDN

FAULT

TRI-STATE

TH_WAR

+3.3V

VDD

VSS

VCCSIGN

GND-Reg

GND-Clean

INA

INB

PROTECTIONS

&

LOGIC

REGULATORS

29

23

24

25

27

26

28

30

21

22

33

34

35

36

7

L113 22

µH

L112 22

µH

C32

1

µF

+VCC

C108

470nF

C33

1

µF

12

M17

M15

M16

M14

8

9

OUTA

GNDA

OUTA

VCCA

13

4

2

3

OUTB

GNDB

D04AU1557A

OUTB

VCCB

5

N.C.

19

31

20

GNDSUB

1

N.C.

10

N.C.

11

INB

32

C110

100nF

C111

100nF

R103

6

R102

6

100nF

14

N.C.

18

17

100nF

Rev. 1

Figure 1. Package

Table 1. Order Codes

Part Number

Package

STA501A

Power SO36 (SLUG UP)

PowerSO36

Obsolete

Product(s)

- Obsolete

Product(s)

Obsolete

Product(s)

- Obsolete

Product(s)

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