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PDF LDO52 Data sheet ( Hoja de datos )
| Número de pieza | LDO52 | |
| Descripción | IP Library: High PSRR/ Low Power/ 70mA Low Dropout Voltage Regulator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LDO52 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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LDO_52
IP Library: High PSRR, Low Power,
70mA Low Dropout Voltage Regulator
PRODUCT PREVIEW
s DIGITAL BASEBAND REGULATOR
s VERY LOW DROPOUT VOLTAGE : 50mV
s HIGH PSRR : 60dB
s LOW QUIESCENT CURRENT : 150µA
s 1µA STAND-BY MODE CURRENT
s NO CURRENT IN POWER DOWN MODE
s SHORT CIRCUIT PROTECTION
s SMALL DECOUPLING CERAMIC CAPACITOR
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 Digital (Memory, DSP/Microcontroller)
devices.
Figure 2 : Typical Application Circuit
APPLICATION NOTE
An external capacitor (COUT = 1µF typical) with an
equivalent serial resistance (ESR) in the range
0.02 to 0.6Ω is used to ensure stability.
Figure 1 : Block Diagram
IN ?
PWRDWN ?
STDBY ?
VREF
? OUT
LDO_52
VIN
IN
?
OUT
?
VOUT
Power Down Mode
ON
OFF
→
→
Stand-by Mode
Stand-by Mode →
Active Mode →
PWRDWN
?
STDBY
?
LDO_52
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 | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LDO52.PDF ] | |
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