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PDF EC49222 Data sheet ( Hoja de datos )
| Número de pieza | EC49222 | |
| Descripción | Dual Channel LDO Regulator | |
| Fabricantes | E-CMOS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EC49222 (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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Dual Channel LDO Regulator
With Enable Function
EC49222
Description
The EC49222 series are highly accurate,
dual, low noise, CMOS LDO voltage regulators
with enable function. The EN function allows the
output of each regulator to be turned off
independently, resulting in greatly reduced power
consumption.
The EC49222 series have the soft start
function to suppress the inrush current. The
current limiters' fold back circuit (it happens when
over 350mA per channel) also operates as a
short protection for the output current limiter. The
output voltage for each regulator is set
independently by metal trimming. It's also
available to offer the honors other types of VOUT
between +1.2V~+3.9V except the options shown
on ordering information.
This series are fully com compatible with low
ESR ceramic capacitors, reducing cost and
improving output stability. This high level
output stability is maintained even during
frequent load fluctuations, due to the excellent
transient response performance and high
PSRR achieved across a broad range of
frequency. It is available in the SOT23-6L,
UFN-6 and DFN-6 ‘chip-scaled' package.
Features
z Dropout:150mV @ 100mA (VOUT≧2.8V)
z Operating Voltage Range: +2.7V to +7.0V
z Output Voltage Range: +1.2V to +3.9V
z Output Current: 250 mA / Channel (Typ.)
z Low Power Consumption: 8μA (Typ.) / Channel
z Standby Current: 0.01pA (Typ.)
z Highly Accurate:±2% (VOUT≧2.0V)
z High Ripple Rejection Rate: 70 dB
z Output Current Limit Protection: 350mA/Channel
z Short Circuit Protection (150mA)
z Output ON/OFF Control Function
z Low ESR Capacitor Compatible
z SOT23-6L, UFN-6 Packages
z ROHS Compliant and 100% Lead (Pb)-Free and
Green (Halogen Free with Commercial Standard)
Application
z Mobile Phones (PDC, GSM, CDMA, IMT2000 etc.)
and Cordless phones.
z Radio Communication equipment.
z Portable games.
z Cameras, Video recorders.
z Portable AV equipment.
Block Diagram
E-CMOS Corp. (www.ecmos.com.tw)
Page 1 of 19
2008/08/01
1 page  
Dual Channel LDO Regulator
With Enable Function
Typical Performance Characteristics
(1) Output Voltage vs. Output Current
EC49222
E-CMOS Corp. (www.ecmos.com.tw)
Page 5 of 19
2008/08/01
5 Page 
Dual Channel LDO Regulator
With Enable Function
Typical Performance Characteristics (Continued)
(7) Output Voltage vs. Input Voltage
EC49222
E-CMOS Corp. (www.ecmos.com.tw)
Page 11 of 19
2008/08/01
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet EC49222.PDF ] | |
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