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EUP7961B-18BIR1 Datasheet(PDF) 1 Page - Eutech Microelectronics Inc

Part # EUP7961B-18BIR1
Description  1A Ultra Low-Dropout Linear Regulator
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Manufacturer  EUTECH [Eutech Microelectronics Inc]
Direct Link  http://www.eutechmicro.com
Logo EUTECH - Eutech Microelectronics Inc

EUP7961B-18BIR1 Datasheet(HTML) 1 Page - Eutech Microelectronics Inc

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EUP7961
DS7961 Ver 1.4 Jan. 2009
1
1A Ultra Low-Dropout Linear Regulator
DESCRIPTION
The EUP7961 is a 1A low-dropout linear regulator that
provides a low voltage, high current output with
minimum external components. The features include
precision output voltage, ultra-low dropout voltage,
and low ground current.
The EUP7961 operates from an input of 2.5V to 5.5V.
This regulator uses a 1µF ceramic input capacitors and
a 4.7µF ceramic output capacitor to deliver 1A output
current. High bandwidth provides excellent transient
response. It is designed to power digital circuits
requiring low voltage with high currents (i.e., PLDs,
DSPs, microcontrollers, etc.).
Other features include thermal and current limit
protection, a logic-control shutdown mode and an error
flag output that goes low when the output voltage
drops 10% below the nominal value.
It is available in fixed output voltages of 1.5V, 1.8V,
2.5V, 3.3V or adjustable output voltage with a 0.8V
feedback voltage. The adjustable output voltage can be
set from 0.8V to 4.5V.
Typical Application Circuit
FEATURES
1A Guaranteed Output Current
300mV Dropout Voltage at 1A Output
Stable with Ceramic Capacitors
±1.8% Output Voltage Accuracy
300µA Low-Ground Pin Current
0.1µA Quiescent Current in Shutdown Mode
Excellent Line and Load Regulation
Thermal Shutdown and Current Limit Protection
Error Flag Indication
Available in SOT223, SOP-8 and SOT-89 Packages
RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
Supply for Low-Voltage Digital IC
PC Add-In Cards
High Efficiency Linear Power Supplies
Post Regulator
Figure1.


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