MAX77816 datasheet(4/26 Pages) MAXIM

4 / 26 page

(VSYS = VINBB = +3.8V, VFB_BB = VOUTBB = +3.3V, TA = -40°C to +85°C, typical values are at TA = +25°C, unless otherwise noted.)

(Note 3)

Electrical Characteristics (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ENABLE INPUT (EN)

EN Logic-Low Threshold

VEN_L

VSYS ≤ 5.5V, TA = +25°C

0.4

EN Logic-High Threshold

VEN_H

VSYS ≤ 5.5V, TA = +25°C

1.2

EN Internal Pulldown

Resistance

REN

Pulldown resistor to GND

400

800

1600

kΩ

GENERAL PURPOSE INPUT/OUTPUT (GPIO)

Input Logic-Low Threshold

VGPI_L

GPIO[2:0] = 001b or 010b or 011b,

VSYS ≤ 4.5V, TA = +25°C

0.4

Input Logic-High Threshold

VGPI_H

GPIO[2:0] = 001b or 010b or 011b,

VSYS ≤ 4.5V, TA = +25°C

1.2

Input Internal Pulldown

Resistance

REN

GPIO[2:0] = 001b or 010b or 011b,

Pulldown resistor to GND

400

800

1600

Output Low Voltage

VGPO_L

GPIO[2:0] = 100b or 101b, ISINK = 1mA

0.4

Output Leakage Current

IGPO_25C

GPIO[2:0]=100b or 101b, TA = +25°C

-1

µA

IGPO_85C

GPIO[2:0] = 100b or 101b, TA = +85°C

(Note 5)

0.1

POK Threshould

VPOK_R

GPIO[2:0] = 100b, VOUTBB rising,

expressed as a percentage of VOUTBB

92.5

VPOK_F

GPIO[2:0] = 100b, VOUTBB falling,

expressed as a percentage of VOUTBB

I2C-COMPATIBLE INTERFACE─I/O STAGE

SCL, SDA Input High Voltage

VIH

1.4

SCL, SDA Input Low Voltage

VIL

0.4

SCL, SDA Input Hysteresis

VHYS

(Note 5)

0.1

SCL, SDA Input Current

-10

µA

SDA Output Low Voltage

VOL

ISINK = 3mA

0.4

SCL, SDA Input Capacitance

Maximum Pulse Width

of Spikes that must be

suppressed by the input filter

tSP

(Note 5)

MAX77816

High-Efficiency Buck-Boost Regulator

with 5A Switches

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