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MAX16024LTBR25+T

Description
battery management battery backup 2.5V-Ep
CategoryPower/power management    The power supply circuit   
File Size254KB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX16024LTBR25+T Overview

battery management battery backup 2.5V-Ep

MAX16024LTBR25+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeDFN
package instructionHVSON, SOLCC10,.12,20
Contacts10
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time12 weeks
Other featuresRESET THRESHOLD VOLTAGE IS 2.63V
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-PDSO-N10
length3 mm
Number of channels1
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.12,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply1.8/5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply current (Isup)0.021 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.53 V
Nominal supply voltage (Vsup)1.6 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
19-4249; Rev 0; 8/08
Battery-Backup Circuits with
Regulated Output Voltage
General Description
The MAX16023/MAX16024 low-power battery-backup cir-
cuits with a regulated output are capable of delivering up
to 100mA output current. The MAX16023/MAX16024
include a low-dropout regulator, a microprocessor (µP)
reset circuit, and a battery switchover circuit. Additional
available features include a manual reset, a power-fail
comparator, and a battery-on indicator. These devices
reduce the number of external components to minimize
board space and improve reliability.
The MAX16023/MAX16024 are ideally suited for provid-
ing power for backing up critical memory such as static
random-access memory (SRAM) or real-time clocks
(RTCs). The regulated output is powered by V
CC
when it
is present and switches over to the backup power dur-
ing brownout. The MAX16023/MAX16024 accept an
input voltage from 1.53V to 5.5V and provide fixed stan-
dard output voltages of 1.2V, 1.8V, 2.5V, 3.0V, and 3.3V.
The MAX16024 offers the ability to externally set the out-
put voltage using a resistive divider. All outputs are
available with push-pull or open-drain configurations.
The MAX16023 offers a power-fail comparator for monitor-
ing an additional voltage or for providing an early power-
fail warning. Another feature includes a manual-reset input
(MAX16023/MAX16024). The MAX16024 also features
a battery-on indicator and chip-enable gating function.
The MAX16023/MAX16024 are offered in 8- and 10-pin
TDFN packages and are fully specified from -40°C to
+85°C temperature range.
100mA Low-Dropout Regulator
Factory-Trimmed and Adjustable Output Voltages
1.53V to 5.5V Operating Voltage Range
Low-Power Consumption: 4µA (typ)
Power-Fail Comparators for Monitoring Voltages
Down to 0.6V
Battery-On Indicator
Battery Freshness Seal
On-Board Gating of CE Signals, 1.5ns
Propagation Delay (MAX16024)
Debounced Manual-Reset Input
145ms (min) Reset Timeout Period
Tiny 8-Pin and 10-Pin TDFN Packages
UL
®
Certified to Conform to IEC 60950-1
Features
System Monitoring for 5V, 3.3V, 3V, 2.5V, or 1.8V
Power-Supply Voltages
MAX16023/MAX16024
Ordering Information
PART
MAX16023_TA_
_ _+T
MAX16024_TB_
_ _+T
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 TDFN-EP*
10 TDFN-EP*
Applications
Main/Backup Power for RTCs/SRAM
Industrial Controls
GPS Systems
Set-Top Boxes
Point-of-Sale Equipment
Portable/Battery Equipment
UL is a registered trademark of Underwriters Laboratories, Inc.
The first placeholder “_” designates reset output options. A letter
“L” in this placeholder indicates a push-pull output and letter “P”
indicates an open-drain output. The next placeholder “_” desig-
nates the reset threshold (Table 1). The last two placeholders
“_ _” designate output voltage (Table 2). For the MAX16024 with
adjustable output voltage version, there are no last two place-
holders.
+Denotes
a lead-free/RoHS-compliant package.
T = Tape and reel.
*EP
= Exposed pad.
Pin Configurations
BATT ON
6
*EP
2
V
CC
3
BATT
4
MR
5
SET
CEOUT
RESET
RESET
8
GND
GND
7
OUT
OUT
9
PFO
5
8
7
6
10
MAX16023
MAX16024
*EP
+
1
V
CC
2
BATT
3
MR
+
1
CEIN
4
PFI
TDFN
*EP = EXPOSED PAD
TDFN
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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