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PDF LDO53 Data sheet ( Hoja de datos )
| Número de pieza | LDO53 | |
| Descripción | IP Library: High PSRR/ Very Low Power/ 40mA Low Dropout Voltage Regulator | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LDO53 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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LDO_53
IP Library: High PSRR, Very Low Power,
40mA Low Dropout Voltage Regulator
PRODUCT PREVIEW
s DIGITAL BASEBAND REGULATOR
s VERY LOW DROPOUT VOLTAGE : 50mV
s HIGH PSRR : 55dB
s VERY LOW QUIESCENT CURRENT : 100µA
FULL LOAD
s NO CURRENT IN POWER DOWN MODE
s SHORT CIRCUIT PROTECTION
s SMALL DECOUPLING CERAMIC CAPACITOR
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 Digital (DSP/Microcontroller) devices.
Figure 2 : Typical Application Circuit
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 ?
? OUT
PWRDWN ?
VREF
LDO_53
VIN
IN
?
OUT
?
VOUT
Power Down Mode
PWRDWN
?
OFF
ON
LDO_53
1µF
COUT
ESR
GND
?
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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| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LDO53.PDF ] | |
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