se5220 seawardinc, se5220 Datasheet
se5220
Manufacturer Part Number
se5220
Description
1.5a Cmos Ultra Ldo Voltage Regulator With En
Manufacturer
seawardinc
Datasheet
1.SE5220.pdf
(2 pages)
Revision 12/14/2006
Description
dropout linear regulators are designed for portable
battery powered applications, which require low
power consumption and low dropout voltage.
Each device contains a bandgap voltage reference,
an error amplifier, a PMOS power transistor, and
resistors for setting output voltage, and current limit
and temperature limit protection circuits.
with low cost capacitors and requires a minimum
output capacitor of 1.0μF. Standard voltage versions
are 3.3V, 3.0V, and adjustable output from 1.25V to
4.5V.
Pin Configuration
The SE5220 series of fixed output ultra low
The SE5220 has been designed to be used
Preliminary and all contents are subject to change without prior notice
© Seaward Electronics Inc., 2004. • www.seawardinc.com • Page 1
1.5A CMOS Ultra LDO Voltage
Regulator with EN
Features
Application
Block Diagram
Typical 135mV Dropout Voltage at 500mA.
Fast Enable Turn-On Time of 20μs (Typ.)
Excellent Line and Load Regulation.
High Accuracy Output Voltage of 2%.
Ultra-Low Ground Current at 62μA (Typ.)
Disable Current Less than 0.2μA (Typ.)
Thermal and Over-Current Protection.
Standard SOP-8 Package.
USB removable devices
MPEG4 devices
Wireless LAN’s
Hand-Held Instrumentation.
Portable DVD players
Digital camera
(Fixed V
OUT
Version)
SE5220
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se5220 Summary of contents
Page 1
... Description The SE5220 series of fixed output ultra low dropout linear regulators are designed for portable battery powered applications, which require low power consumption and low dropout voltage. Each device contains a bandgap voltage reference, an error amplifier, a PMOS power transistor, and resistors for setting output voltage, and current limit and temperature limit protection circuits ...
Page 2
... Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2004. • www.seawardinc.com • Page 2 1.5A CMOS Ultra LDO Voltage Regulator with EN B DIM SE5220 DIMENSIONS INCHES MM N MIN MAX MIN MAX 0.0532 0.0688 1.35 1.75 0.0040 0.0098 0.10 0.25 0.0130 0.0200 0.33 ...