L5987A 查看數據表（PDF） - STMicroelectronics

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L5987A

3 A step-down switching regulator

STMicroelectronics 

L5987

2

Maximum ratings

Maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

Vcc

Input voltage

OUT

Output DC voltage

FSW, COMP, SYNCH Analog pin

INH

Inhibit pin

FB

Feedback voltage

PTOT

TJ

Tstg

Power dissipation at TA < 60 °C

Junction temperature range

Storage temperature range

20

-0.3 to VCC

-0.3 to 4

V

-0.3 to VCC

-0.3 to 1.5

VFQFPN

1.5.

W

HSOP

2

-40 to 150

°C

-55 to 150

°C

3

Thermal data

Table 3. Thermal data

Symbol

Parameter

RthJA

Maximum thermal resistance junction ambient(1) VFQFPN

HSOP

1. Package mounted on demonstration board.

Value

60

40

Unit

°C/W

DocID14972 Rev 4

5/40

40

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