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L5959

Multifunction voltage regulator for car radio

STMicroelectronics 

L5959

3

Electrical specification

Electrical specification

3.1

Absolute maximum ratings

Table 3. Absolute maximum ratings

Symbol

Parameter

VBATDC

VBATTR

IO

RESR

Top

Tstg

Tj

Pd

DC operating supply voltage

Transient supply voltage

Output current

Output capacitor series eq. resistance (MAX.)

Operating temperature range

Storage temperature

Junction temperature

Power dissipation Tcase = 85°C

Value

Unit

30

V

50

V

internally limited

0.5

Ω

-40 to 105

°C

-55 to 150

°C

-55 to 150

°C

43

W

3.2

Thermal data

Table 4. Thermal data

Symbol

Parameter

Rth j-case Thermal resistance junction to case max.

Multiwatt

1.8

Unit

°C/W

3.3

Electrical characteristics

Table 5.

Symbol

Electrical characteristics

(VS = 14.4V; Tamb = 25°C; unless otherwise specified)

Parameter

Test Condition

Min. Typ. Max. Unit

INPUT SUPPLIES

Vbat

Input supply

Operating

9

18

V

VSTCAP Input supply voltage 2

Operating

6

18

V

Vbat

Battery voltage

Reverse polarity

non operating

VSTCAP Input supply voltage 2

Reverse polarity

non operating

Iq

Total quiescent current

EN0 = EN1 = EN2 = 0 V;

VBAT = 14 V; IVSTBY = 100 µA

55

75

µA

Verify all outputs except VSTBY

VOV VBAT Over-voltage shutdown disabled and VBATVW*

asserted low (VBAT Rising)

24

27

30

V

VHYSOV

Hysteresis of over-voltage

shutdown

200 750 1500 mV

7/19

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