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MAX16043TG

Description
Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits
File Size268KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX16043TG Overview

Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits

19-0622; Rev 0; 8/06
Dual-/Triple-/Quad-Voltage, Capacitor-
Adjustable, Sequencing/Supervisory Circuits
General Description
The MAX16041/MAX16042/MAX16043 are dual-/triple-/
quad-voltage monitors and sequencers that are offered
in a small thin QFN package. These devices offer enor-
mous design flexibility as they allow fixed and
adjustable thresholds to be selected through logic
inputs and provide sequence timing through small
external capacitors. These versatile devices are ideal
for use in a wide variety of multivoltage applications.
As the voltage at each monitored input exceeds its
respective threshold, its corresponding output goes
high after a propagation delay or a capacitor-set time
delay. When a voltage falls below its threshold, its
respective output goes low after a propagation delay.
Each detector circuit also includes its own enable input,
allowing the power-good outputs to be shut off inde-
pendently. The independent output for each detector
has an open-drain configuration capable of supporting
voltages up to 28V, thereby allowing them to interface
to shutdown and enable inputs of various DC-DC regu-
lators. Each detector can operate independently as four
separate supervisory circuits or can be daisy-chained
to provide controlled power-supply sequencing.
The MAX16041/MAX16042/MAX16043 also include a
push-pull reset function that deasserts only after all of
the independently monitored voltages exceed their
threshold. The reset timeout is internally fixed or can be
adjusted externally. These devices are offered in a
4mm x 4mm TQFN package and are fully specified
from -40°C to +125°C.
Features
o
2.2V to 28V Operating Voltage Range
o
Fixed Thresholds for 3.3V, 2.5V, 1.8V, 1.5V, and
1.2V Systems
o
1.5% Accurate Adjustable Threshold Monitors
Voltages Down to 0.5V
o
2.7% Accurate Fixed Thresholds Over
Temperature
o
Fixed (140ms min)/Capacitor-Adjustable Delay
Timing
o
Independent Open-Drain Outputs/Push-Pull
RESET
Output
o
Enable Inputs for Each Monitored Voltage
o
9 Logic-Selectable Threshold Options
o
Manual Reset and Tolerance Select (5%/10%) Inputs
o
Small, 4mm x 4mm TQFN Package
o
Fully Specified from -40°C to +125°C
MAX16041/MAX16042/MAX16043
Ordering Information
PART*
MAX16041TE+
MAX16042TP+
MAX16043TG+
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-
PACKAGE
16 TQFN
20 TQFN
24 TQFN
PKG
CODE
T1644-4
T2044-3
T2444-4
+Denotes
lead-free package.
*For
tape and reel, add a “T” after the “+.” All tape and reel
orders are available in 2.5k increments.
Applications
RESET
OUT1
Pin Configurations
OUT3
TH0
13
12
11
10
TH1
EN4
EN3
EN2
EN1
GND
9
8
7
1
V
CC
2
IN1
3
IN2
4
IN3
5
IN4
6
TOL
DC-DC Supplies
Servers/Workstations
Storage Systems
Networking/Telecommunication Equipment
TOP VIEW
18
MR 19
CRESET 20
CDLY4 21
17
16
OUT2
15
14
Selector Guide
PART
MAX16041
MAX16042
MAX16043
MONITORED
VOLTAGES
2
3
4
INDEPENDENT
OUTPUTS
2 (Open-drain)
3 (Open-drain)
4 (Open-drain)
RESET
OUTPUT
Push-pull
Push-pull
Push-pull
CDLY3 22
CDLY2 23
CDLY1 24
MAX16043
+
TQFN
(4mm x 4mm)
Pin Configurations continued at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
OUT4
Multivoltage Systems

MAX16043TG Related Products

MAX16043TG MAX16041 MAX16041TE MAX16042 MAX16042TP MAX16043
Description Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits Dual-/Triple-/Quad-Voltage, Capacitor-Adjustable, Sequencing/Supervisory Circuits
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