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SC8863-300CSKTR Datasheet(PDF) 1 Page - Semtech Corporation |
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SC8863-300CSKTR Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 11 page POWER MANAGEMENT 1 www.semtech.com SC8863 150mA Ultra Low Dropout, Low Noise Regulator Revision: November 8, 2005 The SC8863 is a low dropout linear regulator that operates from a +2.5V to +6.0V input range and delivers up to 150mA. A PMOS pass transistor allows the low 110µA supply current to remain independent of load, making these devices ideal for battery operated portable equipment such as cellular phones, cordless phones and personal digital assistants. The SC8863 output voltage can be preset or adjusted with an external resistor divider. Other features include low power shutdown, short circuit protection, thermal shutdown protection and reverse battery protection. The SC8863 comes in the tiny 5 lead SOT-23 package (lead free, fully WEEE and RoHS compliant available) and the ultra low profile 5 lead TSOT-23. Guaranteed 150mA output current Works with ceramic capacitors Fixed or adjustable output Very small external components Low 75µV RMS output noise Very low supply current Thermal overload protection Reverse battery protection Low power shutdown Full industrial temperature range Very low profile packaging available (1mm max. height) Surface mount packaging (SOT-23-5 and TSOT-23-5) Battery Powered Systems Cellular Telephones Cordless Telephones Personal Digital Assistants Portable Instrumentation Modems PCMCIA cards VIN > VOUT + VD(MAX) VOUT @ IOUT up to 150mA U1 SC8863 1 2 3 4 5 EN GND IN OUT SET C1 1uF Ceramic C2 1uF Ceramic VOUT @ IOUT up to 150mA VIN > VOUT + VD(MAX) C2 2.2uF Ceramic U1 SC8863 1 2 3 4 5 EN GND IN OUT SET R1 R2 10k C1 1uF Ceramic + • = 2 R 1 R 1 250 . 1 V OUT Description Features Applications Typical Application Circuits Internally Preset Output Voltage Externally Preset Output Voltage(1) Note: (1) Select R1 and R2 such that the current flowing through them is ≥ 10µA (i.e. R2 ≤ 120kΩ). A value of 10kΩ is recommended for R2. Please see Component Selection - Externally Set Output on page 7. |
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