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ELECTRICAL CHARACTERISTICS

TAS5186A

SLES156 – OCTOBER 2005

F

accordance with recommended operating conditions, unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

INTERNAL VOLTAGE REGULATOR AND CURRENT CONSUMPTION

VREG

Voltage regulator, only used as reference node

VDD = 12 V

3

3.3

3.6

V

Operating, 50% duty cycle

7

20

IVDD

VDD supply current

mA

Idle, reset mode

6

16

50% duty cycle

5

22

IGVDD_X

Gate supply current per half-bridge

mA

Idle, reset mode

1

3

50% duty cycle, without output filter or load, 5.1

110

mode. 22-

µH Kwang-Sung inductors

IPVDD_X

Half-bridge idle current

mA

50% duty cycle, without output filter or load, 2.1

60

mode. 22-

µH Kwang-Sung inductors

OUTPUT STAGE MOSFETs

Drain-to-source resistance, low side, satellite

210

m

Ω

Drain-to-source resistance, high side, satellite

210

m

Ω

Drain-to-source resistance, low side, subwoofer

110

m

Ω

Drain-to-source resistance, high side, subwoofer

110

m

Ω

I/O PROTECTION

Undervoltage protection limit GVDD_X

10

V

Undervoltage protection hysteresis

250

mV

Overtemperature warning

125

°C

Temperature drop needed below OTW temp. for

25

°C

OTW to be inactive after the OTW event

Overtemperature error

155

°C

Temperature drop needed below OTE temp. for SD

25

°C

to be released after the OTE event

OLCP

Overload protection counter

1.25

ms

Overcurrent limit protection, satellite

Rocp = 18 k

Ω

4.5

A

Overcurrent limit protection, subwoofer

Rocp = 18 k

Ω

8

A

Overcurrent response time

210

ns

Rocp

OC programming resistor range

Resistor tolerance = 5%

18

k

Ω

STATIC DIGITAL SPECIFICATION

High-level input voltage

2

PWM_X, M1, M2, M3, RESET

V

Low-level input voltage

0.8

Input leakage current

Static condition

–80

80

µA

OTW/SHUTDOWN (SD)

Internal pullup resistor to DREG (3.3 V) for SD and

26

k

Ω

OTW

Internal pullup resistor only

3

3.3

3.6

High-level output voltage

External pullup: 4.7-k

Ω resistor to 5 V

4.5

5

V

Low-level output voltage

0.2

0.4

FANOUT

Device fanout OTW, SD

No external pullup

30

Devices

(1)

Specified by design.

7