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EUP7917

Part Number	EUP7917
Manufacturer	Eutech Microelectronics
Description	High PSRR Low-Noise LDO
Published	Jul 18, 2014
Detailed Description	EUP7917 300mA, High PSRR Low-Noise LDO DESCRIPTION The EUP7917 is an efficient, CMOS voltage regulator optimized for ult...
Datasheet	EUP7917 PDF File

Overview

EUP7917 300mA, High PSRR Low-Noise LDO DESCRIPTION The EUP7917 is an efficient, CMOS voltage regulator optimized for ultra-low-noise applications.
It offers high output accuracy, extremely low dropout voltage low ground current and fast start-up time.
The EUP7917 provides a very low noise output, ideal for RF applications where a clean voltage source is required.
A noise bypass pin is also available for further reduction of output noise.
Designed specifically for handheld and batterypowered devices, the EUP7917 provides a TTL-logic-compatible enable pin.
When disabled, power consumption drops nearly to zero.
The EUP7917 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in handheld wireless devices.
Available in the SC-70 and SOT23-5 package, the EUP7917 offers a wide range of output voltages.
Key features include current limit, thermal shutdown and faster transient response.
FEATURES z z z z z z z z z z z Space-Saving 5-pin SC-70 Package 2.
5V to 6V Input Voltage Range 50µV(rms) Output Noise 250mV Dropout @ 300mA 75dB PSRR at 1kHz Low 70µA Ground Current Up to 300mA Output Current Stability with 1µF Ceramic Output Capacitors Excellent Load/Line Transient Thermal Shutdown and Current Limit Protection Available in 1.
2V,1.
3V,1.
5V,1.
8V,1.
85V, 2.
5V,2.
8V,2.
85V, 2.
9V,3.
0V,3.
3V,3.
5V,4.
8V and Adjustable Voltages RoHS Compliant and 100% Lead (Pb)-Free z APPLICATIONS z z z z Cellular Phones Bluetooth Portable Radios and Accessories PDA and Palmtop Computers Consumer/Personal Electronics VÛm w`R •yÑb € Block Diagram ww w.
g ofot ech.
com Figure 1.
DS7917 Ver1.
2 Mar.
2008 1 N~§NãtÿmñW3^VÛmw`R•yÑb€g–PQlSø Tel: 0755-8398 3377 / 135 9011 2223 http://www.
gofotech.
com EUP7917 Typical Application Circuit Figure 2.
Fixed-Voltage LDO Regulator Pin Configurations Package Type Pin Configurations VÛm w`R •yÑb € SC-70 SOT23-5 ww w.
g ofot ech.
com Fixed-Voltage Adjustable Voltage Pin Description PI...

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