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MAX16024LTBS25-T

Description
Battery Management Battery Backup 2.5V-Ep
Categorysemiconductor    Power management   
File Size254KB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX16024LTBS25-T Overview

Battery Management Battery Backup 2.5V-Ep

MAX16024LTBS25-T Parametric

Parameter NameAttribute value
Product CategoryBattery Management
ManufacturerMaxim
RoHSDetails
PackagingReel
Factory Pack Quantity2500
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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