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MAX6315US28D3+T

Description
supervisory circuits open-drain upower reset circuit
CategoryPower/power management    The power supply circuit   
File Size527KB,7 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX6315US28D3+T Overview

supervisory circuits open-drain upower reset circuit

MAX6315US28D3+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOT-143
package instructionLSOP, TO-253
Contacts4
Reach Compliance Codecompliant
ECCN codeEAR99
Is SamacsysN
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G4
JESD-609 codee3
length2.92 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals4
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSOP
Encapsulate equivalent codeTO-253
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE
Certification statusNot Qualified
Maximum seat height1.22 mm
Maximum supply current (Isup)0.015 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)3.6 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.92 mm
Terminal locationDUAL
Threshold voltage nominal2.80
width1.3 mm
Base Number Matches1
19-2000; Rev 3; 12/05
Open-Drain SOT µP Reset Circuit
________________General Description
The MAX6315 low-power CMOS microprocessor (µP)
supervisory circuit is designed to monitor power sup-
plies in µP and digital systems. It provides excellent cir-
cuit reliability and low cost by eliminating external
components and adjustments. The MAX6315 also pro-
vides a debounced manual reset input.
This device performs a single function: it asserts a reset
signal whenever the V
CC
supply voltage falls below a
preset threshold or whenever manual reset is asserted.
Reset remains asserted for an internally programmed
interval (reset timeout period) after V
CC
has risen above
the reset threshold or manual reset is deasserted. The
MAX6315’s open-drain
RESET
output can be pulled up
to a voltage higher than V
CC
.
The MAX6315 comes with factory-trimmed reset thresh-
old voltages in 100mV increments from 2.5V to 5V.
Preset timeout periods of 1ms, 20ms, 140ms, and
1120ms (min) are also available. The device comes in a
SOT143 package.
For microcontrollers (µCs) and µPs with bidirectional
reset pins, see the MAX6314 data sheet.
____________________________Features
Small SOT143 Package
Open-Drain
RESET
Output Can Exceed V
CC
Precision, Factory-Set V
CC
Reset Thresholds:
100mV Increments from 2.5V to 5V
Four Reset Timeout Periods Available:
1ms, 20ms, 140ms, or 1120ms (minimum)
Immune to Short V
CC
Transients
5µA Supply Current
Pin-Compatible with MAX811
Guaranteed Over Temperature
MAX6315
______________Ordering Information
PART
MAX6315US50D1-T
NOMINAL
V
TH
(V)
5.00
MIN t
RP
(ms)
1
TOP
MARK
††
FX_ _
The MAX6315 is available in a SOT143 package, -40°C to
________________________Applications
Computers
Controllers
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Battery-Powered Equipment
+125°C temperature range.
††
The first two letters in the package top mark identify the part,
while the remaining two letters are the lot tracking code.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
Note:
All devices available in tape-and-reel only. Contact fac-
tory for availability.
Ordering Information continued at end of data sheet.
Pin Configuration
TOP VIEW
__________Typical Operating Circuit
V
CC
V
CC
GND
1
4
V
CC
LASER-
TRIMMED
RESISTORS
MAX6315
µP
RESET
RESET
2
3
MR
MR
RESET
CIRCUITRY
RESET
SOT143
MAX6315
GND
________________________________________________________________
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.
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