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UM165415 Datasheet(PDF) 1 Page - Union Semiconductor, Inc. |
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UM165415 Datasheet(HTML) 1 Page - Union Semiconductor, Inc. |
1 / 7 page ________________________________________________________________________ http://www.union-ic.com Rev.04 Feb.2012 1/7 UM165XX 300mA, Micropower, VLDO Linear Regulator UM165XX SOT23-3 General Description The UM165XX series are VLDO (very low dropout) linear regulators designed for low power portable applications. Typical output noise is only 75μVRMS and maximum dropout is just 90mV at the load current of 150mA.The internal P-channel MOSFET pass transistor requires no base current, allowing the device to draw only 100μA during normal operation at the maximum load current of 300mA. Other features include high output voltage accuracy, excellent transient response, under voltage lockout, stability with ultralow ESR ceramic capacitors as small as 1μF, reverse-battery protection, short-circuit and thermal overload protection and output current limiting. The UM165XX series are available in a low profile SOT23-3 package. Applications Features Bluetooth/802.11 Cards PDAs and Notebook Computers Portable Instruments and Battery-Powered Systems Cellular Phones Very Low Dropout: 90mV(max) at 150mA Maximum Input Voltage: 6.0V Low Noise:75μVRMS (10Hz to 100kHz) ±2%Voltage Accuracy at 150mA Fast Transient Response Under Voltage Lockout Fixed Output Voltage: 3.3V/3.0V/2.8V/2.7V/2.5V/1.8V/1.5V/1.3V/ 1.2V Output Current Limit Reverse-Battery Protection No Protection Diodes Needed Stable with 1μF Output Capacitor Short-Circuit and Thermal Overload Protection Low Profile SOT23-3 Package Pin Configurations Top View UM165XX M: Monthly Code SOT23-3 |
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