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LP2980 Datasheet

Micropower 50 mA Ultra Low-Dropout Regulator

No Preview Available !

September 2006
LP2980
Micropower 50 mA Ultra Low-Dropout Regulator In
SOT-23 and micro SMD Packages
General Description
The LP2980 is a 50 mA, fixed-output voltage regulator de-
signed specifically to meet the requirements of battery-
powered applications.
Using an optimized VIP(Vertically Integrated PNP) pro-
cess, the LP2980 delivers unequaled performance in all
specifications critical to battery-powered designs:
Dropout Voltage. Typically 120 mV @ 50 mA load, and 7 mV
@ 1 mA load.
Ground Pin Current. Typically 375 µA @ 50 mA load, and 80
µA @ 1 mA load.
Sleep Mode. Less than 1 µA quiescent current when ON/
OFF pin is pulled low.
Smallest Possible Size. SOT-23 and micro SMD packages
use an absolute minimum board space.
Minimum Part Count. Requires only 1 µF of external ca-
pacitance on the regulator output.
Precision Output. 0.5% tolerance output voltages available
(A grade).
5.0V, 3.3V, and 3.0V versions available as standard prod-
ucts.
Features
n Ultra low dropout voltage
n Output voltage accuracy 0.5% (A Grade)
n Guaranteed 50 mA output current
n Smallest possible size (SOT-23, micro SMD package)
n Requires only 1 µF external capacitance
n < 1 µA quiescent current when shutdown
n Low ground pin current at all load currents
n High peak current capability (150 mA typical)
n Wide supply voltage range (16V max)
n Fast dynamic response to line and load
n Low ZOUT over wide frequency range
n Overtemperature/overcurrent protection
n −40˚C to +125˚C junction temperature range
Applications
n Cellular Phone
n Palmtop/Laptop Computer
n Personal Digital Assistant (PDA)
n Camcorder, Personal Stereo, Camera
Block Diagram
VIPis a trademark of National Semiconductor Corporation.
© 2006 National Semiconductor Corporation DS012078
01207801
www.national.com


National Semiconductor Electronic Components Datasheet

LP2980 Datasheet

Micropower 50 mA Ultra Low-Dropout Regulator

No Preview Available !

Connection Diagram and Ordering Information
5-Lead Small Outline Package (M5)
micro SMD, 5 Bump Package (BPA05)
01207803
Top View
See NS Package Number MF05A
For ordering information see Table 1
01207864
Note: The actual physical placement of the package marking will vary from
part to part. Package marking contains date code and lot traceability
information, and will vary considerably. Package marking does not correlate
to device type.
Top View
See NS Package Number BPA05
Pin Descriptions
Name
VIN
GND
ON/OFF
N/C
VOUT
Pin Number
SOT-23
micro SMD
1 C3
2 A1
3 A3
4 B2
5 C1
Function
Input Voltage
Common Ground (device substrate)
Logic high enable input
Post package trim - do not connect to this pin
Regulated output voltage
Ordering Information
TABLE 1. Package Marking and Order Information
Output Voltage
Grade
Order Information
Package
Supplied as:
(V) Marking
5-Lead Small Outline Package (M5)
For output voltages 2.3V, refer to LP2980LV datasheet. If a non-standard voltage is required, see LP2980-ADJ.
2.5
A LP2980AIM5X-2.5
L0NA
3000 Units on Tape and Reel
2.5 A LP2980AIM5-2.5
L0NA
1000 Units on Tape and Reel
2.5
STD
LP2980IM5X-2.5
L0NB
3000 Units on Tape and Reel
2.5
STD
LP2980IM5-2.5
L0NB
1000 Units on Tape and Reel
2.6 A LP2980AIM5X-2.6
L48A
3000 Units on Tape and Reel
2.6 A LP2980AIM5-2.6
L48A
1000 Units on Tape and Reel
2.6
STD
LP2980IM5X-2.6
L48B
3000 Units on Tape and Reel
2.6
STD
LP2980IM5-2.6
L48B
1000 Units on Tape and Reel
2.7 A LP2980AIM5X-2.7
L26A
3000 Units on Tape and Reel
2.7 A LP2980AIM5-2.7
L26A
1000 Units on Tape and Reel
2.7
STD
LP2980IM5X-2.7
L26B
3000 Units on Tape and Reel
2.7
STD
LP2980IM5-2.7
L26B
1000 Units on Tape and Reel
2.8 A LP2980AIM5X-2.8
L13A
3000 Units on Tape and Reel
2.8 A LP2980AIM5-2.8
L13A
1000 Units on Tape and Reel
2.8
STD
LP2980IM5X-2.8
L13B
3000 Units on Tape and Reel
2.8
STD
LP2980IM5-2.8
L13B
1000 Units on Tape and Reel
2.9 A LP2980AIM5X-2.9
L12A
3000 Units on Tape and Reel
2.9 A LP2980AIM5-2.9
L12A
1000 Units on Tape and Reel
2.9
STD
LP2980IM5X-2.9
L12B
3000 Units on Tape and Reel
www.national.com
2


Part Number LP2980
Description Micropower 50 mA Ultra Low-Dropout Regulator
Maker National Semiconductor
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LP2980 Datasheet PDF






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