E-L5973AD datasheet(4/22 Pages) STMICROELECTRONICS

No de pièce	E-L5973AD

Description	2 A switch step down switching regulator

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

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Electrical data

L5973AD

4/22

Doc ID 9552 Rev 9

2

Electrical data

2.1

Maximum ratings

2.2

Thermal data

Table 2.

Absolute maximum ratings

Symbol

Parameter

Value

Unit

V8

Input voltage

40

V

V1

Output DC voltage

Output peak voltage at t = 0.1

μs

-1 to 40

-5 to 40

V

I1

Maximum output current

int. limit.

V4, V5

Analog pins

4

V

V3

INH

-0.3V to VCC

V2

SYNC

-0.3 to 4

V

PTOT

Power dissipation at TA ≤ 60 °C

2.25

W

TJ

Operating junction temperature range

-40 to 150

°C

TSTG

Storage temperature range

-55 to 150

°C

Table 3.

Thermal data

Symbol

Parameter

HSOP8

Exposed pad

Unit

RthJA

Maximum thermal resistance junction-ambient

40 (1)

1.

Package mounted on board

°C/W

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