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LP2985AIM5-3.1/NOPB Datasheet(PDF) 1 Page - Texas Instruments

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Part # LP2985AIM5-3.1/NOPB
Description  LP2985-N Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP2985AIM5-3.1/NOPB Datasheet(HTML) 1 Page - Texas Instruments

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LP2985-N
www.ti.com
SNVS018V – MARCH 2000 – REVISED JUNE 2013
LP2985-N Micropower 150 mA Low-Noise Ultra Low-Dropout Regulator in SOT-23 and
DSBGA Packages
Designed for Use with Very Low ESR Output Capacitors
Check for Samples: LP2985-N
1
FEATURES
DESCRIPTION
The LP2985-N is a 150 mA, fixed-output voltage
2
Ultra Low Dropout Voltage
regulator designed to provide ultra low-dropout and
Ensured 150 mA Output Current
low noise in battery powered applications.
Smallest Possible Size (SOT-23, DSBGA
Using an optimized VIP (Vertically Integrated PNP)
Packages)
process,
the
LP2985-N
delivers
unequalled
Requires Minimum External Components
performance in all specifications critical to battery-
powered designs:
Stable with Low-ESR Output Capacitor
<1 µA Quiescent Current when Shut Down
Dropout Voltage: Typically 300 mV @ 150 mA load,
and 7 mV @ 1 mA load.
Low Ground Pin Current at All Loads
Output Voltage Accuracy 1% (A Grade)
Ground Pin Current: Typically 850 µA @ 150 mA
load, and 75 µA @ 1 mA load.
High Peak Current Capability
Wide Supply Voltage Range (16V Max)
Enhanced Stability: The LP2985-N is stable with
output capacitor ESR as low as 5 m
Ω, which allows
Low ZOUT: 0.3Ω Typical (10 Hz to 1 MHz)
the use of ceramic capacitors on the output.
Overtemperature/Overcurrent Protection
Sleep Mode: Less than 1 µA quiescent current when
−40°C to +125°C Junction Temperature Range
ON/OFF pin is pulled low.
Custom Voltages Available
Smallest
Possible
Size:
SOT-23
and
DSBGA
packages use absolute minimum board space.
APPLICATIONS
Precision Output: 1% tolerance output voltages
Cellular Phone
available (A grade).
Palmtop/Laptop Computer
Low Noise: By adding a 10 nF bypass capacitor,
Personal Digital Assistant (PDA)
output noise can be reduced to 30 µV (typical).
Camcorder, Personal Stereo, Camera
Multiple voltage options, from 2.5V to 5.0V, are
available as standard products. Consult factory for
custom voltages.
BLOCK DIAGRAM
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2000–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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