PM6641 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

PM6641

Monolithic VR for chipset and DDR2/3 supply for ultra-mobile PC (UMPC) applications

STMicroelectronics 

Electrical data

3

Electrical data

PM6641

3.1

Maximum rating

Table 3. Absolute maximum ratings (1)

Symbol

Parameter

Value

Unit

VVIN

VVCC

VAVCC

VVSW

VIN_x to SGND_x

VCC to AGND or SGND_x

AVCC to AGND or SGND_x

VIN = VAVCC

VVCC = VAVCC

AGND to SGND_x

VTTGND to SGND_x

VSW_x to SGND_x

VSW_x to AGND

-0.3 to 6

-0.3 to 0.3

V

-0.3 to 6

CSNS, PG_x, EN_x, DSCG, COMP_x, VFB_x, SS_x,

SET_SWF, SET_PH1, VOUT_1S8 to AGND

VTT, VTTREF, VTTFB to AGND

-0.3 to VAVCC + 0.3

LDOIN, VTT, VTTREF, VTTFB to VTTGND

PTOT Power dissipation @ TA = 25 °C

4

W

1. Free air operating conditions unless otherwise specified. Stresses beyond those listed under “absolute

maximum ratings” may cause permanent damage to the device. Exposure to absolute maximum rated

conditions for extended periods may affect device reliability.

3.2

Thermal data

Table 4. Thermal data

Symbol

Parameter

RthJA

TSTG

TA

TJ

Thermal resistance junction to ambient

Storage temperature range

Operating ambient temperature range

Junction operating temperature range

Value

25

-50 to 150

-40 to 85

-40 to 125

Unit

°C/W

°C

°C

°C

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Doc ID 13510 Rev 3

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