MAX6876 datasheet(4/39 Pages) MAXIM

4 / 39 page

EEPROM-Programmable, Quad,

Power-Supply Tracker/Sequencer Circuit

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ELECTRICAL CHARACTERISTICS (continued)

(VCC, IN1–IN4 = +2.7V to +5.5V; ENABLE = MARGIN = MR = ABP = TRKEN; TA = -40°C to +85°C, unless otherwise specified.

Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

93.75

96.25

91.25

92.5

93.75

88.75

91.25

IN_ to OUT_ Power-Good

Threshold

VTH_PG

contents

(Table 16),

OUT_ rising

86.25

87.5

88.75

VTH_PG and VTH_OC Hysteresis

VOUT_HYS

0.5

Power Low Threshold

VTH_PL

OUT_ falling

125

142

165

Power Low Hysteresis

VTH_PL_HYS

OUT_ to GND Pulldown

Impedance (When Enabled)

ABP

≥ 2.5V

100

Ω

ABP

≥ 2.5V, ISINK = 4mA

0.3

REM Output Low

VOL_REM

ABP

≥ 4.0V, ISINK = 15mA

0.4

ABP

≥ 1.4V, ISINK = 50µA (PG_, RESET

only)

0.3

ABP

≥ 2.5V, ISINK = 1mA

0.3

Output Low PG1–PG4, HOLD,

FAULT, OC, RESET (Note 2)

VOL

ABP

≥ 4.0V, ISINK = 4mA

0.4

ABP

≥ 1.4V, ISINK = 50µA

0.3

ABP

≥ 2.5V, ISINK = 1mA

0.3

GATE1–GATE4 Output Low

VGOL

ABP

≥ 4.0V, ISINK = 4mA

0.8

PG1–PG4, HOLD, FAULT, OC ,

RESET, REM Output Open-Drain

Leakage Current

ILKG

Output deasserted

-1

µA

GATE_ Output-Voltage High

VGOH

IGATE_ = 0.5µA

IN_ +

4.4

IN_ + 5

IN_ +

5.8

GATE_ Pullup Current

IGATEUP

During power-up/down, VGATE_ = 1V

2.5

4.5

µA

GATE_ Pulldown Current

IGATEDOWN During power-up/down, VGATE_ = 4V

2.5

4.5

µA

VIL

0.3 x

ABP

MARGIN, FAULT, HOLD, MR,

ENABLE Input Voltage

VIH

0.6 x

ABP

MR Input Pulse Width

tMR

2µs

FAULT, HOLD, MARGIN, MR,

ENABLE Glitch Rejection

100

Digital Input to Logic Delay,

FAULT, HOLD, MARGIN, MR,

ENABLE

1µs

MARGIN, MR Digital Input to ABP

Pullup Resistance

100

130

Ω

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