PM6685(2005) データシートの表示（PDF） - STMicroelectronics

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PM6685
(Rev.:2005)

DUAL STEP-DOWN CONTROLLER WITH AUXILARY VOLTAGES FOR NOTEBOOK SYSTEM POWER

STMicroelectronics 

2 Electrical ratings

2 Electrical ratings

Table 1. Absolute maximum ratings

Symbol

Parameter

SGND1 to SGND2

COMPx, FSEL, LDO3_SEL, VREF, SKIP to SGND1,

SGND2

Enx, SHDN, PGOD_LDO3, OUTx, PGOODx, VCC to

SGND1, SGND2

LDO3 to SGND1, SGND2

LGATEx to PGND

HGATEx and BOOTx, to PHASEx

PHASEx to PGND

CSENSEx, to PGND

CSENSEx to BOOTx

V5SW, LDO5 to PGND

VIN to PGND

PGND to SGND1, SGND2

Power dissipation at Tamb = 25°C

Table 2. Thermal data

Symbol

Description

RthJA

TSTG

TJ

Thermal Resistance Junction to ambient (mounted on

demoboard)

Storage temperature range

Junction operating temperature range

PM6685

Value

Unit

Shorted

-0.3 to VCC + 0.3

V

-0.3 to 6

-0.3 to LDO5 + 0.3

V

-0.3 to LDO5 + 0.3

V

-0.3 to 6

V

-0.6 to 36

V

-0.6 to 42

V

-6 to 0.3

V

-0.3 to 0.6

V

-0.3 to 36

V

-0.3 to 0.3

V

2

W

Value

45

-40 to 150

-10 to 125

Unit

°C/W

°C

°C

4/16

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