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PDF LP2980-ADJ Data sheet ( Hoja de datos )
| Número de pieza | LP2980-ADJ | |
| Descripción | Micropower SOT/ 50 mA Ultra Low-Dropout Adjustable Voltage Regulator | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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April 2000
LP2980-ADJ
Micropower SOT, 50 mA Ultra Low-Dropout Adjustable
Voltage Regulator
General Description
The LP2980-ADJ is a 50 mA adjustable voltage regulator de-
signed to provide ultra low dropout in battery powered appli-
cations.
Using an optimized VIP™ (vertically Integrated PNP) pro-
cess, the LP2980-ADJ delivers unequalled performance in
all specifications critical to battery-powered designs:
Adjustable Output: output voltage can be set from 1.23V to
15V.
Precision Reference: 0.75% tolerance.
Dropout Voltage: typically 120 mV @ 50 mA load, and 7 mV
@ 1 mA load.
Ground Pin Current: typically 320 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 package uses minimum
board space.
Features
n Ultra low dropout voltage
n Output adjusts from 1.23V to 15V
n Guaranteed 50 mA output current
n Uses tiny SOT-23 package
n Requires few external components
n <1 µA quiescent current when shutdown
n Low ground pin current at all loads
n High peak current capability (150 mA typical)
n Wide supply voltage range (2.5V–16V)
n Overtemperature/overcurrent protection
n −40˚C to +125˚C Junction temperature range
Applications
n Cellular Phone
n Palmtop/Laptop Computer
n Camcorder, Personal Stereo, Camera
Block Diagram
Connection Diagram
5-Lead Small Outline Package (M5)
DS100001-2
Top View
See NS Package Number MA05B
For ordering Information, refer to Table 1 in this
DS100001-1
document
VIP™ is a trademark of National Semiconductor Corporation.
© 2000 National Semiconductor Corporation DS100001
www.national.com
1 page  
Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,
IL = 1 mA, ON/OFF pin tied to VIN, RADJ = 86.6k, and test circuit is as shown in Basic Application Circuit. (Continued)
Ground Pin Current vs. Temperature
Ground Pin Current vs. Load Current
Input Current vs. VIN
DS100001-9
Load Transient Response
DS100001-10
Line Transient Response
DS100001-11
Short Circuit Current
DS100001-12
DS100001-13
5
DS100001-14
www.national.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet LP2980-ADJ.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LP2980-ADJ | Micropower SOT/ 50 mA Ultra Low-Dropout Adjustable Voltage Regulator | National Semiconductor |
| LP2980-ADJ | Micropower SOT/ 50 mA Ultra Low-Dropout Adjustable Voltage Regulator | National Semiconductor |
| LP2980-ADJ | LP2980-ADJ Micropower 50mA Ultra Low-Dropout Adj VRegulator in SOT-23 (Rev. E) |  Texas Instruments |
| LP2980-ADJEP | Micropower SOT 50 mA Ultra Low-Dropout Adjustable Voltage Regulator (Rev. C) | Texas Instruments |
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