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MIC37501-3.3BR Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC37501-3.3BR Datasheet(HTML) 1 Page - Micrel Semiconductor |
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1 / 11 page  MIC37501/37502 5A, Low Voltage μCap LDO Regulator Super βeta is a registered trademark of Micrel Inc. Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com General Description The MIC37501 and MIC37502 are 5A, low dropout linear voltage regulator that provide low voltage, high current outputs with a minimum of external components. They offer high precision, ultra-low dropout (500mV), and low ground current. The MIC37501and MIC37502 operate from an input of 2.3V to 6.0V. They are designed to drive digital circuits requiring low voltage at high currents (i.e., PLDs, DSPs, microcontrollers, etc.). They are available in fixed and adjustable output voltages. Fixed voltages include 1.5V, 1.65V, 1.8V, 2.5V, and 3.3V. The adjustable version is capable of 1.24V to 5.5V. MIC37501 and MIC37502 LDOs feature thermal and currentlimit protection and reverse current protection. Logic enable and error flag pins are available. Junction temperature range of the MIC37501/02 is from –40°C to 125°C. For applications requiring input voltage greater than 6.0V, see MIC3910x, MIC3915x, MIC3930x, and MIC3950x LDOs. All support documentation can be found on Micrel’s web site at www.micrel.com. Features • 5A minimum guaranteed output current • 500mV maximum dropout voltage – Ideal for 3.0V to 2.5V conversion – Ideal for 2.5V to 1.8V, 1.65V, or 1.5V conversion • Stable with ceramic or tantalum capacitor • Wide input voltage range: - VIN: 2.3V to 6.0V • ±1.0% initial output tolerance • Fixed and adjustable output voltages: – MIC37501—7 terminal fixed voltage – MIC37502—5 (TO-263) and 7 (SPAK) terminal adjustable voltage • Excellent line and load regulation specifications • Logic controlled shutdown • Thermal shutdown and current-limit protection • Reverse-leakage protection • Low profile S-Pak and TO-263 packages Applications • LDO linear regulator for low-voltage digital IC • PC add-in cards • High efficiency linear power supplies • SMPS post regulator • Battery charger Typical Applications VOUT VIN VOUT VIN FLG GND VEN COUT 100F, Ceramic 100k MIC37501 VIN = 3.0V VOUT = 2.5V CIN Fixed 2.5V Regulator with Error Flag VOUT VIN VOUT VIN ADJ GND VEN COUT 100F, Ceramic R1 R2 1.3V MIC37502 VIN CIN Adjustable Regulator 0 50 100 150 200 250 300 350 400 450 012345 OUTPUT CURRENT (A) Dropout vs. Output Current 2.5V OUT May 2011 1 M9999-050511-B |
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Similar Description - MIC37501-3.3BR |
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