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MIC5213 Dataheets PDF



Part Number MIC5213
Manufacturers Micrel Semiconductor
Logo Micrel Semiconductor
Description Teeny SC-70 Cap Low-Dropout Regulator Advance Information
Datasheet MIC5213 DatasheetMIC5213 Datasheet (PDF)

MIC5213 Micrel MIC5213 Teeny™ SC-70 µCap Low-Dropout Regulator Advance Information General Description The MIC5213 is a µCap 80mA linear voltage regulator in the Teeny™ SC-70 package. Featuring half the footprint of the standard SOT-23 package, this Teeny SC-70 regulator has very low dropout voltage (typically 20mV at light loads and 300mV at 80mA) and very low ground current (225µA at 20mA output). It also offers better than 3% initial accuracy and includes a logic-compatible enable input. T.

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MIC5213 Micrel MIC5213 Teeny™ SC-70 µCap Low-Dropout Regulator Advance Information General Description The MIC5213 is a µCap 80mA linear voltage regulator in the Teeny™ SC-70 package. Featuring half the footprint of the standard SOT-23 package, this Teeny SC-70 regulator has very low dropout voltage (typically 20mV at light loads and 300mV at 80mA) and very low ground current (225µA at 20mA output). It also offers better than 3% initial accuracy and includes a logic-compatible enable input. The µCap regulator design is optimized to work with lowvalue, low-cost ceramic capacitors. The outputs typically require only 0.47µF of output capacitance for stability. Designed especially for hand-held, battery-powered devices, the MIC5213 can be controlled by a CMOS or TTL compatible logic signal. When disabled, power consumption drops nearly to zero. If on-off control is not required, the enable pin may be tied to the input for 3-terminal operation. The ground current of the MIC5213 increases only slightly in dropout, further prolonging battery life. Key MIC5213 features include current limiting, overtemperature shutdown, and protection against reversed battery. The MIC5213 is available in 2.5V, 2.8V, 3.0V, 3.3V, and 3.6V fixed voltages. Other voltages are available; contact Micrel for details. Features • • • • • • • • • • • • Teeny™ SC-70 package Wide Selection of output voltages Guaranteed 80mA output Low quiescent current Low dropout voltage Tight load and line regulation Low temperature coefficient Current and thermal limiting Reversed input polarity protection Zero off-mode current Logic-controlled shutdown Stability with low-ESR ceramic capacitors Applications • • • • • • Cellular telephones Laptop, notebook, and palmtop computers Battery-powered equipment Bar code scanners SMPS post-regulator/dc-to-dc modules High-efficiency linear power supplies Ordering Information Part Number MIC5213-2.5BC5 MIC5213-2.8BC5 MIC5213-3.0BC5 MIC5213-3.3BC5 MIC5213-3.6BC5 Marking LAM LAJ LAG LAE LAD Voltage 2.5V 2.8V 3.0V 3.3V 3.6V Junction Temp. Range –40°C to +125°C –40°C to +125°C –40°C to +125°C –40°C to +125°C –40°C to +125°C Package SC-70-5 SC-70-5 SC-70-5 SC-70-5 SC-70-5 Other voltages available. Contact Micrel for details. Typical Applications Enable Shutdown 1 5 LAx 2 3 4 VOUT 0.47µF Regulator Circuit Teeny is a trademark of Micrel, Inc. Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com June 2000 1 MIC5213 MIC5213 Micrel Pin Configuration GND NC 3 2 EN 1 LAx 4 5 OUT IN SC-70-5 (C5) Pin Description Pin Number 1 2 3 4 5 Pin Name EN NC GND OUT IN Pin Function Enable (Input): TTL/CMOS compatible control input. Logic high = enabled; logic low or open = shutdown. not internally connected Ground Regulator Output Supply Input Absolute Maximum Ratings (Note 1) Input Supply Voltage (VIN) ............................ –20V to +20V Enable Input Voltage (VEN) .....


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