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LP2985AIBP-1.8 Datasheet

  • LP2985AIBP-1.8

  • Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 ...

  • 17頁

  • NSC

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LP2985LV Micropower 150 mA Low-Noise Low-Dropout Regulator in SOT-23 and micro SMD
packages for Applications with Output Voltages
鈮?/div>
2.3V
May 2004
LP2985LV
Micropower 150 mA Low-Noise Low-Dropout Regulator
in SOT-23 and micro SMD packages for Applications
with Output Voltages
鈮?/div>
2.3V
Designed for Use with Very Low ESR Output Capacitors
General Description
The LP2985LV is a 150 mA, fixed-output voltage regulator
designed to providehigh performance and low noise in ap-
plications requiring output voltages
<
2.3V.
Using an optimized VIP
鈩?/div>
(Vertically Integrated PNP) pro-
cess, the LP2985LV delivers unequalled performance in all
specifications critical to battery-powered designs:
Ground Pin Current:
Typically 825 碌A
@
150 mA load, and
75 碌A
@
1 mA load.
Enhanced Stability:
The LP2985LV is stable with output
capacitor ESR as low as 5 m鈩? which allows the use of
ceramic capacitors on the output.
Sleep Mode:
Less than 1 碌A quiescent current when ON/
OFF pin is pulled low.
Smallest Possible Size:
micro SMD package uses absolute
minimum board space.
Precision Output:
1% tolerance output voltages available
(A grade).
Low Noise:
By adding a 10 nF bypass capacitor, output
noise can be reduced to 30 碌V (typical).
Features
n
n
n
n
n
n
n
n
n
n
n
n
n
Guaranteed 150 mA output current
Smallest possible size (micro SMD)
Requires minimum external components
Stable with low-ESR output capacitor
<
1 碌A quiescent current when shut down
Low ground pin current at all loads
Output voltage accuracy 1% (A Grade)
High peak current capability
Wide supply voltage range (16V max)
Low Z
OUT
: 0.3鈩?typical (10 Hz to 1 MHz)
Overtemperature/overcurrent protection
鈭?0藲C to +125藲C junction temperature range
Custom voltages available
Applications
n
n
n
n
Cellular Phone
Palmtop/Laptop Computer
Personal Digital Assistant (PDA)
Camcorder, Personal Stereo, Camera
Block Diagram
10129501
VIP
鈩?/div>
is a trademark of National Semiconductor Corporation.
漏 2004 National Semiconductor Corporation
DS101295
www.national.com

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