EUP7914-285NIR1 반도체 회로 부품 판매점
150mA Low-Noise LDO
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 Eutech Microelectronics |
EUP7914
150mA Low-Noise LDO in SC-82
Without A Bypass Capacitor
DESCRIPTION
The EUP7914 is an efficient CMOS low dropout (LDO)
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 EUP7914 provides a very low noise
output without a bypass capacitor, ideal for RF
applications where a clean supply voltage source is
required. Specifically designed for handheld and
battery-powered devices, the EUP7914 provides a
TTL-logic-compatible enable pin. When the EUP7914
is disabled, power consumption drops nearly to zero.
Key features include current limit, thermal shutdown
and faster transient response.
The EUP7914 works with low-ESR ceramic capacitors.
Available in the SC-82 space saving package which
reduces the amount of board space for power
applications. The EUP7914 offers wide fixed output
voltage versions.
FEATURES
z 2.5V to 5.5V Input Voltage Range
z 30µV(rms) Output Noise
z 90mV Dropout @ 150mA
z 70dB PSRR at 1kHz No Bypass Capacitor
z Low 30µA Ground Current
z Guaranteed 150mA Output Current
z Stable with a 1µF Ceramic Output Capacitor when
VOUT ≥ 1.5V, or 2.2µF when VOUT<1.5V
z Excellent Load/Line Transient
z Thermal Shutdown and Current Limit
Protection
z Available 1.2V to 3.6V Fixed Output Voltages
(50mV increments)
z Space-Saving 4-pin SC-82 Package
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z Cellular Phones
z Camera Modules
z PDA and Palmtop Computers
z Consumer/Personal Electronics
Block Diagram
DS7914 Ver1.0 Nov. 2008
Figure 1.
1
EUP7914Tel: 0755-8398 3377 / 135 9011 2223 http://www.gofotech.com
Typical Application Circuit
Pin Configurations
Package Type
Figure 2. Fixed-Voltage LDO Regulator
Pin Configurations
(Top View)
SC-82
Pin Description
NAME
EN
GND
OUT
IN
PIN
1
2
3
4
DESCRIPTION
The device enable input. Set logic high to enable the device, and connect logic low to
disable the device.
Ground pin
Output voltage of the LDO
Input voltage of the LDO
DS7914 Ver1.0 Nov. 2008
2
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제조업체: Eutech Microelectronics
( eutech )
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