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Eutech Microelectronics

EUP7221 Datasheet Preview

EUP7221 Datasheet

150mA LDO Without Bypass Capacitor

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EUP7221
Triple, Low-Noise, High-PSRR,
150mA LDO Without Bypass Capacitor
DESCRIPTION
The EUP7221 is a high accuracy, low noise, high PSRR,
triple CMOS low-dropout voltage regulator.
Performance features include low output noise, high
ripple rejection ratio, low dropout and very fast turn-on
times.
The EUP7221 is also fully compatible with low ESR
ceramic capacitors, reducing cost and improving output
stability. This high level of 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
frequencies.
The EN function allows the output of channel2/1
regulator to be turned off, resulting in greatly reduced
power consumption. The EUP7221 is available in
SOT23-6 package.
FEATURES
z Up to 150mA Output Current (Each LDO)
z 30µVRMS Low Noise Output
z 60dB PSRR at 1KHz without Bypass Capacitor
z Low 70uA Ground Current Triple-LDO
z 190mV Dropout at 150mA
z One Shutdown pin Control Channel 2/1 Output
Channel 1 starts after Channel 2 reaches 90% of
Final Voltage
z Current Limiting and Thermal Protection
z Short Circuit Protection
z Available in SOT23-6 Package
z RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
APPLICATIONS
z Cellular Phones
z Camera, Video Recorders
z PDAs and GPS
z Hand-held Equipment
Typical Application Circuit
DS7221 Ver1.0 Jul. 2010
Figure1.
1




Eutech Microelectronics

EUP7221 Datasheet Preview

EUP7221 Datasheet

150mA LDO Without Bypass Capacitor

No Preview Available !

Pin Configurations
Package Type
EUP7221Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Pin Configurations
SOT23-6
Pin Description
PIN
VOUT3
VIN
EN
VOUT1
GND
VOUT2
SOT23-6
1
2
3
4
5
6
DESCRIPTION
Channel 3 Output Voltage
Supply Input. Bypass VIN to GND with a 1µF or greater capacitor.
VOUT Enable control Pin. Only to shutdown VOUT1 and VOUT2. Active High Input.
Do not leave floating.
Channel 1 Output Voltage
Ground
Channel 2 Output Voltage
DS7221 Ver1.0 Jul. 2010
2


Part Number EUP7221
Description 150mA LDO Without Bypass Capacitor
Maker Eutech Microelectronics
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EUP7221 Datasheet PDF






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