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Eutech Microelectronics

EUP7907 Datasheet Preview

EUP7907 Datasheet

600mA High PSRR Low Dropout Linear Regulator

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EUP7907
600mA High PSRR Low Dropout
Linear Regulator
DESCRIPTION
The EUP7907 is a high current, low dropout linear regulator
with fast transient response and high PSRR. It offers high
output accuracy, extremely low dropout voltage, low
quiescent current and fast start-up time.
The EUP7907 is designed to work with low-ESR ceramic
capacitor, reducing the amount of the PCB area necessary for
power applications. Only a 2.2uF ceramic capacitor can
make the device stable over the whole load range.
The EUP7907 monitors the input voltage for power on reset
to ensure the regulator is disabled when the input voltage is
not high enough for normal operation. When EUP7907
detects fault signal, such as over-temperature, it will turn off
the pass transistor and discharge VOUT to GND from the
internal resistor.
The EUP7907 has two modes of operation. When the FB pin
is connected to ground, its output is a pre-set value:
0.8V~3.6V. There is no external component needed to decide
the output voltage. When the version of EUP7907 with fixed
voltage higher than 1.5V is selected and its FB pin is
connected to two external resistors divider, its output can be
adjusted from 0.8V to 5V. Other key features include
over-current protection, thermal shutdown. The device can
be available in the TDFN-8 package or SOT23-5 package.
FEATURES
z 2.5V to 5.5V Input Voltage Range
z 300mV@600mA Dropout Voltage
z Excellent Transient Response
z Stable with 2.2uF Ceramic Output Capacitor
z 70dB PSRR at 1kHz
z Low 120µA Quiescent Current
z Low Shutdown Current:<1µA
z Output Current Limit
z Output Voltage With High Accuracy:
2% Initial Accuracy
Fixed Output Voltage: 0.8V ~ 3.6V
Adjustable Output Voltage: 0.8V to 5V
z Thermal Shutdown
z COUT Auto-Discharge when Shutdown
z RoHS Compliant and 100% Lead (Fb)-Free
APPLICATIONS
z Cellular Phones
z Bluetooth portable radios and Accessories
z battery-Powered Equipment
z Laptop, Palmtops, Notebook Computer
Typical Application Circuit
DS7907 Ver 1.2 Oct . 2009
Figure. 1 Adjustable Output
1




Eutech Microelectronics

EUP7907 Datasheet Preview

EUP7907 Datasheet

600mA High PSRR Low Dropout Linear Regulator

No Preview Available !

Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Typical Application Circuit (continued)
EUP7907
Block Diagram
Figure. 2 Fixed Output
Figure. 3
DS7907 Ver 1.2 Oct . 2009
2


Part Number EUP7907
Description 600mA High PSRR Low Dropout Linear Regulator
Maker Eutech Microelectronics
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EUP7907 Datasheet PDF






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