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SE5508

Seaward Electronics
Part Number SE5508
Manufacturer Seaward Electronics
Description 150mA CMOS Low Noise LDO Voltage Regulator
Published Dec 2, 2009
Detailed Description 150mA CMOS Low Noise LDO Voltage Regulator (Preliminary) Description The SE5508 series of fixed output low dropout linea...
Datasheet PDF File SE5508 PDF File

SE5508
SE5508


Overview
150mA CMOS Low Noise LDO Voltage Regulator (Preliminary) Description The SE5508 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.
An optional bypass capacitor can be added for better low-noise performance.
Each device contains a voltage reference unit, an error amplifier, a PMOS power transistor, and resistors for setting output voltage, and current limit and temperature limit protection circuits.
The SE5508 has been designed to be used with low cost capacitors and requires a minimum output capacitor of 1.
0μF.
Standard voltage versions are 1.
5, 1.
8, 2.
5, 2.
8, 3.
0, and 3.
3V.
SE5508 Features ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ ¾ Excellent Noise Rejection at 62 dB.
Typical Low Dropout Voltage of 200mV at 75mA.
Fast Enable Turn-On Time of 20μs (Typ.
) Excellent Line and Load Regulation.
High Accuracy Output Voltage of 2%.
Typical Low Ground Current at 50μA Typical Disable Current Less than 0.
1μA Thermal Protection.
Standard SOT23-5L and SC70 (SOT353) Package.
Available in Lead-Free Packages.
Cellphones.
Wireless LAN’s.
Hand-Held Instrumentation.
Portable Video Game Devices.
Digital Cameras.
Applications Pin Configuration Ordering Information SE5508 _ __ Pin (1=>5): www.
DataSheet4U.
com G: VIN/GND/EN/BYPASS/VOUT Package: L: SOT-23-5L P: SC70 (SOT353) Output Voltage: A: VOUT = 3.
3V B: VOUT = 2.
8V C: VOUT = 2.
5V D: VOUT = 1.
8V E: VOUT = 1.
5V F: VOUT = 3.
0V Preliminary and all contents are subject to change without prior notice.
© Seaward Electronics, Inc.
, 2005.
• www.
seawardinc.
com.
cn • Page 1 150mA CMOS Low Noise LDO Voltage Regulator (Preliminary) Absolute Maximum Rating (1) Parameter Input Voltage Enable Voltage Output Voltage Power Dissipation Output Short Circuit Duration Thermal Resistance, Junction-to-Ambient Lead Temperature (Soldering, 5 sec.
) Junction Temperature Storage Temperature TJ TS ΘJA Symbol VIN VEN VOUT PD V...


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