L5957 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

比赛名单

L5957

Multifunction voltage regulator for car radio

STMicroelectronics 

Electrical specifications

2

Electrical specifications

L5957

2.1

Absolute maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

VSDC

VSTR

IO

Top

Tstg

Tj

Pd

DC operating supply voltage

Transient supply voltage

Output current

Operating temperature range

Storage temperature

Junction temperature

Power dissipation Tcase = 85 °C

Value

Unit

30

V

50

V

internally limited

-40 to 85

°C

-55 to 150

°C

-55 to 150

°C

43

W

2.2

Thermal data

Table 3. Thermal data

Symbol

Parameter

Rth j-case Thermal resistance junction-to-case

PowerSO Multiwatt Unit

Max. 1.5

1.8

°C/W

2.3

Electrical characteristics

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

Table 4. Electrical characteristics

Symbol

Parameter

Test condition

Input supplies

Vin1

Input supply voltage 1

Vin2

Input supply voltage 2

Iq

Total quiescent current

Load Dump

Vin1

Load Dump

Vin2

Battery over voltage

Operating

Operating

Standby (-20 °C to 85 °C)

IGNIN = 5 V

REGx = 5 V, REGsw = 5 V,

IGNIN = 5 V

Standby (-20 °C to 85 °C)

IGNIN = 5 V, VCC = 18 V

Vin1

Vin2

Min. Typ. Max. Unit

9

-

18

V

6

-

18

V

-

-

70

μA

-

5

-

mA

-

100

-

µA

18

20

22

V

18

20

22

V

6/16

Doc ID 14442 Rev 2

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