MP2953B datasheet(6/30 Pages) MPS

6 / 30 page

MP2953B – DIGITAL PWM CONTROLLER WITH PMBUS FOR VR12.5

MP2953B Rev. 1.01

www.MonolithicPower.com

10/9/2015

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ELECTRICAL CHARACTERISTICS (continued)

VDD50 = 5 V, EN = 1V, VID = 0.50 V to 2.6 V, Current going into pin is positive, TJ =-10°C to 125°C,

unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Relative to RTN, VDIFF is

Falling

Reverse Voltage

Detection Threshold

(5)

VOSEN (RV)

Relative to RTN, VDIFF is

Rising

CCM OUTPUT

Output Low Voltage

VOL

ICCM(SINK) = 400 µA

500

Output High Voltage

VOH

ICCM(SOURCE) = -400 µA

VDD33-

0.02

PWM OUTPUTS

Output Low Voltage

VOL (PWM)

IPWM(SINK) = 400 µA

200

Output High Voltage

VOH (PWM)

IPWM(SOURCE) = -400 µA

3.15

VDD33-

0.02

Rise and Fall Time

(5)

C = 10pF

PWM Tri-State Leakage

PWM = 1.5V; EN = 0V

-1

µA

SUPPLY

Supply Voltage Range

VDD50

4.5

5.5

Supply Current

IVDD50

EN=High. Both the SVID

Bus and the Internal ID Bus

are Idle. No-Load Condition.

6-Phase Configuration.

UVLO Threshold Voltage

VDDUVLO

VDD50 is Rising

4.13

4.5

UVLO Hysteresis

(5)

VDDUVLO

VDD50 is Falling

180

1.8V REGULATOR

1.8V Regulator Output

Voltage

VDD18

IVDD18 = 0mA

1.8

1.8V Regulator Load

Capability

IVDD18

VOL = VDD18 - 40mV

3.3V REGULATOR

3.3V Regulator Ouput

Voltage

VDD33

IVDD33 = 0mA

3.3

3.3V Regulator Load

Capability

IVDD33

VOL = VDD33 - 40mV

MP2953B Datasheet(PDF) 6 Page - Monolithic Power Systems

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