MAX20796 datasheet(4/33 Pages) MAXIM

4 / 33 page

(Typical Application Circuit, unless otherwise noted, VDDH_ = 12V, VLDOIN = 3.3V, -40°C ≤ TJ ≤ +125°C; specifications are production

tested at TA = +32°C; limits within the operating temperature range are guaranteed by design and characterization.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LINEAR REGULATOR (EB PIN)

External FET Output Set-Point

Voltage

VDDH_> 5.1V regulating

2.97

3.06

3.63

EB Sink/Source Current

IEB

VEB from 0.7V to 6V

µA

OUTPUT VOLTAGE RANGE AND ACCURACY

DC Set-Point Voltage Accuracy

TJ = +32°C, VOUT = 0.6V

to 5.0V, measured between

SNSP and SNSN pins

-0.8

+0.8

Voltage-Sense Input Bias

Current

ISNSN

-0.3V < VSNSN < 0.3V

-15

+15

µA

Voltage-Sense Input Bias

Current

ISNSP

0V < VSNSP < 5.5V

-240

+240

µA

SWITCHING FREQUENCY ACCURACY

Switching Frequency

fSW

PGMx pin-strap or PMBUS

programmable

200 to 799

kHz

Switching Frequency

Accuracy

(Note 4)

±10

INPUT VOLTAGE PROTECTION

VDDH Undervoltage

Lockout

VVDDH_UVLO Rising VDDH

4.28

4.40

4.54

VDDH Undervoltage-Lockout

Hysteresis

500

VCC Undervoltage

Lockout

VVCC_UVLO

Rising VCC

1.53

1.59

1.63

VCC Undervoltage-Lockout

Hysteresis

AVDD Undervoltage

Lockout

VAVDD_UVLO

Rising AVDD

1.53

1.61

1.66

AVDD Undervoltage-Lockout

Hysteresis

VBST Undervoltage

Lockout

VVBST_UVLO

Rising VBST

1.46

1.56

1.64

VBST Undervoltage-Lockout

Hysteresis

MAX20796

Dual-Phase Scalable Integrated Voltage

Regulator with PMBus Interface

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)

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