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PDF LDO517 Data sheet ( Hoja de datos )
| Número de pieza | LDO517 | |
| Descripción | IP Library: Wide Range ESR Capacitor/ Low Noise/ 100mA Low Dropout Voltage Regulator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LDO517 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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LDO_517
IP Library: Wide Range ESR Capacitor, Low Noise,
100mA Low Dropout Voltage Regulator
s AnyESR REGULATOR
s VERY COMMON OUTPUT DECOUPLING
CERAMIC CAPACITOR
s LOW CONSUMPTION : 250µA FULL LOAD
s VERY LOW NOISE : 30µV
s VERY LOW DROPOUT VOLTAGE : 50mV
s HIGH PSRR : 60dB
s STANDBY AND POWER DOWN MODE
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 = 1µF) with an
equivalent serial resistance (ESR) up to 1Ω is
used for regulator stability.
Figure 1 : Block Diagram
IN ?
PWRDWN ?
STDBY ?
VREF
? OUT
LDO_517
VIN
IN
?
OUT
?
VOUT
Power Down Mode
ON →
OFF
→
Stand-by Mode
Stand-by Mode →
Active Mode →
PWRDWN
?
LDO_517
STDBY
?
GND
?
1µF
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.
1/4
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LDO517.PDF ] | |
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