L5987A(2008) データシートの表示（PDF） - STMicroelectronics

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L5987A
(Rev.:2008)

3 A step-down switching regulator

STMicroelectronics 

L5987 - L5987A

2

Maximum ratings

Maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

Vcc

Input voltage

OUT

Output DC voltage

FSW, COMP, SYNCH Analog pin

INH

Inhibit pin

FB

PTOT

TJ

Tstg

Feedback voltage

Power dissipation at VFQFPN

TA < 60 °C

HSOP

Junction temperature range

Storage temperature range

Value

Unit

20

-0.3 to VCC

-0.3 to 4

V

-0.3 to VCC

-0.3 to 1.5

1.5.

W

2

-40 to 150

°C

-55 to 150

°C

3

Thermal data

Table 3. Thermal data

Symbol

Parameter

RthJA

Maximum thermal resistance VFQFPN

junction-ambient (1)

HSOP

1. Package mounted on demonstration board.

Value

60

40

Unit

°C/W

5/42

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