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Eutech Microelectronics

EUP7907A Datasheet Preview

EUP7907A Datasheet

600mA Low Noise High PSRR Low Dropout Linear Regulator

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EUP7907A
600mA Low Noise High PSRR
Low Dropout Linear Regulator
DESCRIPTION
The EUP7907A 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 EUP7907A 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 EUP7907A 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
EUP7907A detects fault signal, such as over-temperature, it
will turn off the pass transistor and discharge VOUT to GND
from the internal resistor.
EUP7907A only can be operated in fixed mode, the pre-set
valve is from 1.2V~3.6V. By setting the capacitor connected
to BYPASS pin can get high PSRR. Other key features
include over-current protection, thermal shutdown. The
device can be available in the TDFN-6 and 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: 1.2V ~ 3.6V
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 Compute
Typical Application Circuit
DS7907A Ver 1.2 ay 2009
Figure. 1 Fixed Output
1




Eutech Microelectronics

EUP7907A Datasheet Preview

EUP7907A Datasheet

600mA Low Noise High PSRR Low Dropout Linear Regulator

No Preview Available !

Block Diagram
EUP7907ATel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Pin Configurations
Package Type
Pin Configurations
Figure. 2
Package Type
Pin Configurations
SOT23-5
TDFN-6
Pin Description
PIN SOT23-5 TDFN-6
VIN 1
3 Input Voltage of the LDO.
DESCRIPTION
GND
EN
BYPASS
2
3
4
2 Signal Ground.
1
Enable Pin. Connect this pin to ground or less than 0.4V to disable the device.
High-Z for EUP7907A.
6 Optional bypass capacitor for low noise and high PSRR.
VOUT
5
4 Output voltage of the LDO.
NC -
5 No connected.
DS7907A Ver 1.2 ay 2009
2


Part Number EUP7907A
Description 600mA Low Noise High PSRR Low Dropout Linear Regulator
Maker Eutech Microelectronics
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EUP7907A Datasheet PDF






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