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SE5509ALG-LF Datasheet(PDF) 1 Page - Seaward Electronics Inc. |
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SE5509ALG-LF Datasheet(HTML) 1 Page - Seaward Electronics Inc. |
1 / 7 page Revision 12/5/2008 Preliminary and all contents are subject to change without prior notice © Seaward Electronics Inc., 2006. • www.seawardinc.com.cn • Page 1 300mA Low Power Low Noise LDO CMOS Voltage Regulator SE5509 Description The SE5509 series of fixed output low dropout linear regulators are designed for portable battery powered applications, which require low power consumption, low noise environment, 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. The SE5509 has been designed to be used with low cost capacitors and requires a minimum output capacitor of 1.0μF. The output voltages range from 1.3V to 4.4V in 100mV increments. Standard voltage versions are 1.5, 1.8, 2.5, 2.8, 3.0, and 3.3V. Features Typical 200mV 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 20μA (Typ.) Disable Current Less than 0.1μA (Typ.) Over Current and thermal Protection. No Reverse Current. Standard SOT-23-5L and TSOP-5 Package. Pin Configuration Application USB removable devices MPEG4 devices Wireless LAN’s Hand-Held Instrumentation. Portable DVD players Digital camera Block Diagram Ordering Information SE5509 _ _ _ Pin (1=>5): G: VIN/GND/EN/BYPASS/VOUT Package: L: SOT-23-5L / TSOP-5 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 |
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