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MAX1976EZT250+

Description
Fixed Positive LDO Regulator, 2.5V, 0.2V Dropout, BICMOS, PDSO6, ROHS COMPLIANT, EIAJ, SC-74, MO-193, SOT-23, 6 PIN
CategoryPower/power management    The power supply circuit   
File Size359KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX1976EZT250+ Overview

Fixed Positive LDO Regulator, 2.5V, 0.2V Dropout, BICMOS, PDSO6, ROHS COMPLIANT, EIAJ, SC-74, MO-193, SOT-23, 6 PIN

MAX1976EZT250+ Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeTSSOP
package instructionTSSOP, TSOP6,.11,37
Contacts6
Reach Compliance Codeunknown
ECCN codeEAR99
Is SamacsysN
AdjustabilityFIXED
Maximum drop-back voltage 10.2 V
Nominal dropback voltage 10.1 V
Maximum absolute input voltage4 V
Maximum input voltage3.6 V
Minimum input voltage1.62 V
JESD-30 codeR-PDSO-G6
JESD-609 codee3
length2.9 mm
Maximum grid adjustment rate0.00225%
Maximum load regulation0.0075%
Number of functions1
Output times1
Number of terminals6
Working temperatureTJ-Max150 °C
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current 10.3 A
Maximum output voltage 12.5625 V
Minimum output voltage 12.4375 V
Nominal output voltage 12.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSOP6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.1 mm
surface mountYES
technologyBICMOS
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance2.5%
width1.6 mm
Base Number Matches1
19-3684; Rev 0; 5/05
Low-Input-Voltage, 300mA LDO Regulators
with
RESET
in SOT and TDFN
General Description
The MAX1963A/MAX1976A low-dropout linear regula-
tors operate from a +1.62V to +3.6V supply and deliver
a guaranteed 300mA continuous load current with a low
100mV dropout. The high-accuracy (±0.5%) output
voltage is preset to an internally trimmed voltage in the
+0.75V to +3.0V range. An active-low, open-drain reset
output remains asserted for at least 2.2ms (MAX1963A)
or 70ms (MAX1976A) after the output voltage reaches
regulation. These devices are offered in thin SOT23 and
thin DFN packages. An internal pMOS pass transistor
allows the low supply current to remain independent of
load and dropout voltage, making these devices ideal for
portable battery-powered equipment.
Low 1.62V Minimum Input Voltage
Guaranteed 300mA Output Current
±2.5% Accuracy Over Load/Line/Temp
Low 100mV Dropout at 300mA Load
2.2ms (MAX1963A) or 70ms (MAX1976A)
RESET
Output Flag
Supply Current Independent of Load and
Dropout Voltage
Logic-Controlled Shutdown
Thermal-Overload and Short-Circuit Protection
Preset Output Voltages (0.75V to 3.0V)
Tiny 6-Pin Thin SOT23 Package (<1.1mm High)
TDFN Package (<0.8mm High)
Features
MAX1963A/MAX1976A
Applications
Notebook/Handheld Computers
Cellular/Smart/PDA Phones
DSC, CD/MP3 Players
PCMCIA Cards
Ordering Information
PART*
TEMP RANGE PIN-PACKAGE
-40°C to +85°C 6 Thin SOT23-6
-40°C to +85°C 6 TDFN-6 3mm x 3mm
-40°C to +85°C 8 TDFN-8 2mm x 2mm
-40°C to +85°C 6 Thin SOT23-6
-40°C to +85°C 6 TDFN-6 3mm x 3mm
-40°C to +85°C 8 TDFN-8 2mm x 2mm
MAX1963AEZT_
_ _-T
MAX1963AETT_ _ _-T
SHDN
N.C.
IN
GND
Pin Configurations
TOP VIEW
8
IN
1
6
OUT
MAX1963AETA_ _ _-T
MAX1976AEZT_
_ _-T
MAX1976AETT_ _ _-T
MAX1976AETA_ _ _-T
7
6
5
GND
2
MAX1963A
MAX1976A
5
I.C.
MAX1963A
MAX1976A
1
OUT
2
N.C.
3
I.C.
4
RESET
*Insert
the desired three-digit suffix (see the Selector Guide) into
the blanks to complete the part number. Contact the factory for
other output voltages.
SHDN
3
4
RESET
Typical Operating Circuit
INPUT
1.62V TO 3.6V
C
IN
1µF
IN
OUT
UP TO
300mA
OUTPUT
0.75V TO 3.0V
C
OUT
LOGIC
4.7µF SUPPLY
100kΩ
ON
SHDN
OFF
GND
RESET
TO
µC
THIN SOT23
SHDN
GND
4
IN
TDFN
2mm x 2mm
6
5
MAX1963A
MAX1976A
1
OUT
2
I.C.
3
RESET
MAX1963A
MAX1976A
TDFN
3mm x 3mm
Selector Guide appears 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.
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Index Files: 2853  7  932  1743  1960  58  1  19  36  40 
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