MP2932 datasheet(3/23 Pages) MPS

3 / 23 page

MP2932 - 6-PHASE PWM CONTROLLER WITH 8-BIT ADC CODE

MP2932 Rev.1.02

www.MonolithicPower.com

4/30/2012

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

ELECTRICAL CHARACTERISTICS

Operating conditions: VCC = 5V, unless otherwise noted.

Parameter

Test conditions

Min

Typ

Max

Units

VCC Supply Current

Nominal Supply

VCC=5VDC; EN_PWR=5VDC;

RT=100kΩ,

ISEN1=ISEN2=ISEN3=ISEN4= ISEN5=

ISEN6=-70μA

Shutdown Supply

VCC=5VDC; EN_PWR=0VDC;

RT=100kΩ

Power-on Reset and Enable

POR Threshold

VCC Rising

4.3

4.5

4.7

VCC Falling

3.7

3.9

4.2

EN_PWR Threshold

Rising

0.850

0.88

0.910

Hysteresis

130

Falling

0.71

0.745

0.78

EN_VTT Threshold

Rising

0.850

0.88

0.910

Hysteresis

130

Falling

0.71

0.745

0.78

Reference Voltage and DAC

System Accuracy of MP2932

(ID =1V to 1.6V, TJ=0

C to +70C)

-0.5

0.5

℅ID

System Accuracy of MP2932

(ID =0.5V to 1V, TJ=0C to +70C)

-0.9

0.9

℅ID

ID Pull-Up

-60

-40

-20

μA

ID Input Low Level

0.4

ID Input High Level

0.8

VRSEL Input Low Level

0.4

VRSEL High Low Level

0.8

DAC Source Current

DAC Sink Current

320

μA

Pin-adjustable Offset

Voltage at OFS Pin

Offset resistor connected to

ground

380

400

420

Voltage below VCC, offset resistor

connected to VCC

1.55

1.600

1.65

Oscillators

Accuracy of Switching Frequency

setting

RT=100kΩ

225

250

275

kHz

Adjustment Range of Switching

Frequency

0.08

1.0

MHz

Soft-Start Ramp Rate

RS=150kΩ

1.563

mV/μs

Adjustment Range of Soft-Start

Ramp Rage

0.625

6.25

mV/μs

MP2932 Datasheet(PDF) 3 Page - Monolithic Power Systems

MP2932 Datasheet(HTML) 3 Page - Monolithic Power Systems

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Datasheet Download

Link URL