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Número de pieza | LDO512 | |
Descripción | IP Library: Ultra Low Noise/ High PSRR/ Low Power/ 30mA Very Low Dropout Voltage Regulators | |
Fabricantes | STMicroelectronics | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de LDO512 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! LDO_512
IP Library: Ultra Low Noise, High PSRR, Low Power,
30mA Very Low Dropout Voltage Regulators
s RF REGULATOR
s VERY LOW DROPOUT VOLTAGE : 30mV
s ULTRA LOW OUTPUT VOLTAGE NOISE
s HIGH PSRR : 70dB
s LOW STAND-BY CURRENT : 20µA
s LOW QUIESCENT CURRENT : 150µA FULL
LOAD
s NO CURRENT IN POWER DOWN MODE
s SHORT CIRCUIT PROTECTION
s SMALL DECOUPLING CERAMIC CAPACITOR
s BIPOLAR INPUT STAGE
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) in the range
0.02 to 0.6Ω is used for regulator stability.
Figure 1 : Block Diagram
IN ?
PWRDWN ?
STDBY ?
VREF
? OUT
LDO_512
VIN
IN
?
OUT
?
VOUT
Power Down Mode
ON →
OFF
→
Stand-by Mode
Stand-by Mode →
Active Mode →
PWRDWN
?
LDO_512
STDBY
?
GND
?
1µF
COUT
ESR
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 LDO_512
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5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet LDO512.PDF ] |
Número de pieza | Descripción | Fabricantes |
LDO51 | IP Library: High PSRR/ Low power/ 80mA Low Dropout Voltage Regulator | STMicroelectronics |
LDO512 | IP Library: Ultra Low Noise/ High PSRR/ Low Power/ 30mA Very Low Dropout Voltage Regulators | STMicroelectronics |
LDO513 | IP Library: Power Supply Range 2.9V to 13V/ Low Power/ 50mA Low Dropout Voltage Regulator | STMicroelectronics |
LDO514 | IP Library: High PSRR/ Very Low power/ 200mA Low Dropout Voltage Regulator | STMicroelectronics |
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