PM6652 datasheet(13/53 Pages) STMICROELECTRONICS

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PM6652

Electrical characteristics

Doc ID 16867 Rev 5

13/53

Electrical characteristics

TJ = 25 °C, VIN = +12 V, PVCC = +5 V if not otherwise specified.

Table 5.

Electrical characteristics

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Supply section

ISVCC,QUIESCENT

IC supply current

COREON=5 V, DPRSLPVR=5 V, FB

forced above the regulation point

850

µA

ISVCC,SHDN

Operating current in

shutdown

COREON=SGND, TA=25 °C

µA

VSVCC UVLO

SVCC undervoltage

lockout upper threshold

Rising edge, controller disabled below

this level

4.3

4.5

SVCC undervoltage

lockout lower threshold

Falling edge, controller enabled above

this level

3.8

3.9

UVLO hysteresis

400

On-time

Ton

On-time duration

VCORE=1.5 V

OSC=250 mV

820

920

1020

OSC=500 mV

410

470

530

OSC=1 V

210

248

280

Off-time

TOFFMIN

Minimum off-time

250

400

Integrator

VCOMP

Overvoltage clamp

VOVCLAMP=VCOMP-VCSNS

Undervoltage clamp

VUVCLAMP=VCOMP-VCSNS

-140

Integrator offset

-2.5

2.5

Voltages and DAC

VDAC

Internal DAC reference

voltage accuracy

DAC codes from 0.8125 V to 1.5000 V -0.7%

0.7%

DAC codes from 0.3000 V to 0.8000 V

-10

VDAC

slew-rate

VDAC output voltage

slew rate after VIDs

variation.

GFX mode selected, and DPRSLPVR

asserted, positive VDAC dV/dt only, or

VR11 mode selected.

12.5

mV/µs

GFX mode selected, and DPRSLPVR

de-assert, or CPU mode selected.

56.25

mV/µs

IleakVCC_GFXC

VCORE voltage sense

leakage current

1µA

VBOOT

Boot-up voltage

CPU or VR11 mode selected

1.100

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