TEA1081 データシートの表示（PDF） - Philips Electronics

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TEA1081

Supply circuit with power-down for telephone set peripherals

Philips Electronics 

Philips Semiconductors

Supply circuit with power-down for

telephone set peripherals

Product specification

TEA1081

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

SYMBOL

PARAMETER

CONDITIONS

VLN

VLN(RM)

VI

I1

II

Ptot

Tamb

Tstg

Tj

positive line voltage

continuous

during switch-on or line interruptions

repetitive peak line voltage for a 12 Ω resistor in series with pin 1

1 ms pulse per 5 s

input voltage (all other terminals)

DC input current

TEA1081

TEA1081T

input current (all other terminals)

total power dissipation

operating ambient temperature

storage temperature

junction temperature

MIN.

−

−

−

MAX.

12

12.5

28

VVN − 0.5 VLN + 0.5

−

120

−

80

−1

+1

see Fig.5

−25

+70

−40

+125

−

+125

UNIT

V

V

V

V

mA

mA

mA

°C

°C

°C

THERMAL CHARACTERISTICS

SYMBOL

PARAMETER

Rth j-a

thermal resistance from junction to ambient in free air

TEA1081

TEA1081T (mounted on a printed-circuit board of 50 × 50 × 1.5 mm)

VALUE

120

260

UNIT

K/W

K/W

handbook8,0h0alfpage

Ptot

(mW)

(1)

600

MLC170

400

(2)

200

0

0

20

40 60

80 100 120

Tamb (oC)

(1) TEA1081.

(2) TEA1081T.

Fig.5 Power derating curves.

September 1994

6

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