TDA8173 datasheet(3/4 Pages) STMICROELECTRONICS

3 / 4 page

ELECTRICAL CHARACTERISTICS

(refer to the test circuits, VS = 35V, Tamb = 25

oC unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Pin 2 Quiescent Current

I = 0, I5 = 0

Pin 7 Quiescent Current

I = 0, I5 = 0

Amplifier Input Bias Current

V1 = 1 V

– 0.1

– 1

µA

V4L

Pin 4 Saturation Voltage to GND

I4 = 20 mA

Quiescent Output Voltage

Vs = 35 V, Ra = 39 k

Ω

V5L

Output Saturation Voltage to GND

I5 = 1.2 A

1.4

I5 = 0.7 A

0.7

V5H

Output Saturation Voltage to Supply

– I5 = 1.2 A

1.6

2.2

– I5 = 0.7 A

1.3

1.8

Junction Temperature for Thermal Shut Down

140

°C

Reference Voltage

2.2

∆V8

∆VS

Reference Voltage Drift versus Supply Voltage

Vs = 15 to 30 V

TDA8173

1N4001

220

µF

470

µF

0.1

µF

RT1

10k

Ω

4.7k

Ω

0.22

µF

1.5

Ω

4.7

µF

5.6k

Ω

12k

Ω

8.2k

Ω

24.6mH

8.2

Ω

2200

µF

330

Ω

9.6

Ω

R5 Iy

GND

fly

9 to 16

TEST CIRCUITS

TDA8173

3/4

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