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PDF LDOC515 Data sheet ( Hoja de datos )

Número de pieza LDOC515
Descripción IP Library: Very Low power/ Very High PSRR 100mA Low Dropout Voltage Regulator
Fabricantes STMicroelectronics　
Logotipo STMicroelectronics Logotipo



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No Preview Available ! LDOC515 Hoja de datos, Descripción, Manual

LDOC_515
IP Library: Very Low power, Very High PSRR
100mA Low Dropout Voltage Regulator
s CMOS REGULATOR
s VERY LOW CONSUMPTION : 170µA FULL
LOAD
s VERY LOW DROPOUT VOLTAGE : 50mV
s HIGH PSRR : 60dB
s OUTPUT CURRENT : 100mA
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 = 4.7µF) 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
LDOC_515
VIN
IN
?
OUT
?
VOUT
Power Down Mode
ON →
OFF
→
Stand-by Mode
Stand-by Mode →
Active Mode →
PWRDWN
?
LDOC_515
STDBY
?
GND
?
4.7µF
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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