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MAX16125WTEC29+T

Description
Power Supply Support Circuit
CategoryPower/power management    The power supply circuit   
File Size838KB,16 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX16125WTEC29+T Overview

Power Supply Support Circuit

MAX16125WTEC29+T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
package instruction,
Reach Compliance Codecompli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum time at peak reflow temperatureNOT SPECIFIED
MAX16122–MAX16125
Dual Pushbutton Controllers in
Tiny 6-Bump WLP Package
Benefits and Features
General Description
The MAX16122–MAX16125 pushbutton controllers with
single-supply monitors monitor one or two pushbuttons and
generate a hard reset signal if the buttons are pushed and
held for a setup delay. These devices make it easy to “hide”
the hard reset function in an existing pushbutton, such as a
soft power switch. The devices operate from 1.6V to 5.5V
and consume a quiescent current of only 5µA at 3V.
The MAX16122–MAX16125 have pin-programmable or
resistor-adjustable setup delay. Connect the SEL pin to
GND, V
CC
, or leave it unconnected to select the different
setup delays (depending on part suffix, see
Table 1a)
or
connect an external resistor from SEL to GND to set the
setup delays (E suffix only, see
Table 1b).
The MAX16124/MAX16125 have one manual reset input
(MR), a reset output (RESET), and a soft reset output
(SRESET) which mirrors the state of the input. The
MAX16122/MAX16123 have two identical manual reset
inputs (MR1 and
MR2)
and one reset output (RESET). A
deglitch block is connected to each input to add a delay to
the falling edge with a fixed deglitch period of 20ms (t
DB
).
The devices feature a comparator that monitors the
input supply voltage. A variety of factory-trimmed threshold
options accommodate different supply voltages and
tolerances, eliminating external components. The factory-
set reset thresholds range from 1.58V to 4.63V to monitor
5V, 3.3V, 2.5V, and 1.8V supplies.
The MAX16122–MAX16125 are offered in a tiny 0.86mm
x 1.27mm, 6-bump WLP package and are specified over
the automotive temperature range (-40°C to +125°C).
● Low Supply Current: < 5μA (typ) at 3V Over Temperature
Precision Factory-Set V
CC
Monitoring Threshold for
1.8V, 2.5V, 3.3V, and 5V Supplies
Fixed/Pin-Programmable or Resistor-Adjustable
Pushbutton Setup Delay
● Up to 2 Reset Outputs and 2 Debounced Pushbutton
Inputs
Guaranteed
RESET
Valid for V
CC
Down to 0.95V
Active-Low
RESET
Output (Push-Pull or Open-Drain)
Immune to Short Power-Supply Transients
0.86mm x 1.27mm 6-Bump WLP Package
● -40°C to +125°C Operating Temperature Range
Applications
Smartphones
Tablet PCs
eBook Readers
Portable/Battery-Powered Equipment
Glucose Monitors/Patient Monitors
Portable Instrumentation
Ordering Information
appears at end of data sheet.
Typical Operating Circuits
1.6V TO 5.5V
0.1µF
V
CC
V
CC
MAX16124
MAX16125
MR
RESET
SRESET
GND
RESET
INPUT
I/0
µP
GND
Typical Operating Circuits (continued)
appears at end of data sheet.
19-6398; Rev 2; 4/16

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