Obsolete

Product(s)

- Obsolete

Product(s)

TDA8139, TDA8139/D

Electrical characteristics

5/14

IQ

Quiescent current

IO1 = 10 mA, OUTPUT2

Disabled

2mA

VO1RST Reset threshold voltage

K = VO1, VIN1 ≥ 7 V

K - 0.4

K - 0.25

K - 0.1

V

VRTH

Reset threshold hysteresis

See circuit description.

20

50

75

mV

tRD

Reset pulse delay

Ce = 100 nF

See circuit description.

25

ms

VRL

Saturation voltage in reset

condition

IRESET = 5 mA

0.4

V

IRH

Leakage current in normal

condition

IRESET = 10 V

10

µA

KO1, 2

Output voltage thermal drift

TJ = 0 to + 125°C

100

ppm/°C

IO1,2SC

Short circuit output current

VIN1,2 = 7 V

VIN1,2 = 16 V

(1)

1.6

1.0

A

VDISH

Disable voltage high (OUT2

active)

2V

VDISL

Disable voltage low (OUT2

disabled)

0.8

V

IDIS

Disable bias current

0 V < VDIS < 7 V

-100

2

µA

VREF

Reference voltage at

PROGRAM Pin

2.5

V

TJSD

Junction temperature for

thermal shutdown

145

°C

1.

The output short-circuit currents are tested one channel at time. During a short-circuit, a large consumption of power

occurs, but the thermal protection circuit prevents any excessive temperatures. A safe permanent short-circuit protection is

only guaranteed for input voltages up to 16 V.

Table 4.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Minimum

Typical

Maximum

Unit

K

0

ΔV

0

106

⋅

ΔTV

0

⋅

---------------------------

=