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SE5218ALG-LF

Description
Output type: fixed Maximum input voltage: 5.5V Output current: 500mA Output voltage (minimum/fixed value): 3.3V
CategoryPower/power management    Low dropout linear regulator (they)   
File Size222KB,7 Pages
ManufacturerSEAWARD
Websitehttp://www.seawardinc.com
Download Datasheet Parametric Compare View All

SE5218ALG-LF Overview

Output type: fixed Maximum input voltage: 5.5V Output current: 500mA Output voltage (minimum/fixed value): 3.3V

SE5218ALG-LF Parametric

Parameter NameAttribute value
Output typefixed
Maximum input voltage5.5V
Output current500mA
Output configurationjust
Number of voltage regulators1
Output voltage (maximum)-
PSRR/ripple suppression59dB(120Hz)
Output voltage (minimum/fixed value)3.3V
Pressure drop (maximum)600mV @ 400mA
Operating power current (maximum)-
Operating temperature0℃ ~ 125℃(TJ)
500mA CMOS LDO Voltage Regulator
(Preliminary)
Description
The SE5218 series of fixed output low dropout
linear regulators are designed for portable battery
powered applications, which require low noise
environment, fast enable response time, and low
dropout voltage.
Each device contains a bandgap
SE5218
Features
Typical 175mV Dropout Voltage at 150mA.
Fast Enable Turn-On
Time of 20μs (Typ.)
Excellent Line and Load Regulation.
High Accuracy Output Voltage of 2%.
Ultra-Low
Ground Current at 65μA (Typ.)
Disable Current Less than 0.3μA (Typ.)
Thermal Protection.
Standard SOT-23-5L Packages.
voltage reference, an error amplifier, a PMOS power
transistor, and resistors for setting output voltage, and
current limit and temperature limit protection circuits.
The SE5218 has been designed to be used with
low cost capacitors and requires a minimum output
capacitor of 1.0μF.
Standard voltage versions are
Applications
USB removable devices
MPEG4 devices
Wireless LAN’s
Hand-Held Instrumentation.
Portable DVD players
Digital camera
1.2,1.5, 1.8, 2.5, 2.8, 3.0, and 3.3V.
Pin Configuration
Application Diagram
Revision 4/19/2016
Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc., 2005. • www.seawardinc.com • Page 1

SE5218ALG-LF Related Products

SE5218ALG-LF SE5218DLG-LF-1.8V
Description Output type: fixed Maximum input voltage: 5.5V Output current: 500mA Output voltage (minimum/fixed value): 3.3V Output type: fixed Maximum input voltage: 5.5V Output current: 500mA Output voltage (minimum/fixed value): 1.8V
Output type fixed fixed
Maximum input voltage 5.5V 5.5V
Output current 500mA 500mA
Output configuration just just
Number of voltage regulators 1 1
PSRR/ripple suppression 59dB(120Hz) 59dB(120Hz)
Output voltage (minimum/fixed value) 3.3V 1.8V
Pressure drop (maximum) 600mV @ 400mA 600mV @ 400mA
Operating temperature 0℃ ~ 125℃(TJ) 0℃ ~ 125℃(TJ)
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