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PDF LDO518 Data sheet ( Hoja de datos )
| Número de pieza | LDO518 | |
| Descripción | IP Library: Low Noise/ High PSRR 100mA Low Dropout Voltage Regulator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LDO518 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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LDO_518
IP Library: Low Noise, High PSRR
100mA Low Dropout Voltage Regulator
s ULTRA LOW POWER REGULATOR
s ULTRA LOW CONSUMPTION : 45µA FULL
LOAD
s VERY LOW NOISE : 30µV
s VERY LOW DROPOUT VOLTAGE : 50mV
s HIGH PSRR : 60dB
s SMALL DECOUPLING CERAMIC CAPACITOR
s NO CURRENT IN POWER DOWN MODE
s SHORT CIRCUIT PROTECTION
TYPICAL APPLICATIONS
– Cellular and Cordless phones supplied by 1 cell
Lithium-ion battery / 3 cells Ni-MH or Ni-Cd
battery
– PDA (Personal Digital Assistant)
– Smart phone
– Portable equipment
– Supply for RF devices for cellular phone
Figure 2 : Typical Application Circuit
PRODUCT PREVIEW
APPLICATION NOTE
An external capacitor (COUT = 2.2µF) with an
equivalent serial resistance (ESR) in the range of
0.02 to 0.6Ω is used for regulator stability.
Figure 1 : Block Diagram
IN ?
PWRDWN ?
STDBY ?
VREF
? OUT
LDO_518
VIN
IN
?
OUT
?
VOUT
Power Down Mode
ON →
OFF
→
Stand-by Mode
Stand-by Mode →
Active Mode →
PWRDWN
?
LDO_518
STDBY
?
GND
?
2.2µF
ESR
COUT
June 2002
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LDO518.PDF ] | |
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