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MIC29302BU Datasheet(PDF) 1 Page - Micrel Semiconductor |
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MIC29302BU Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 20 page March 2000 1 MIC29150/29300/29500/29750 MIC29150/29300/29500/29750 Micrel MIC29150/29300/29500/29750 Series High-Current Low-Dropout Regulators General Description The MIC29150/29300/29500/29750 are high current, high accuracy, low-dropout voltage regulators. Using Micrel's proprietary Super ßeta PNP™ process with a PNP pass element, these regulators feature 300mV to 370mV (full load) dropout voltages and very low ground current. Designed for high current loads, these devices also find applications in lower current, extremely low dropout-critical systems, where their tiny dropout voltage and ground current values are important attributes. The MIC29150/29300/29500/29750 are fully protected against overcurrent faults, reversed input polarity, reversed lead insertion, overtemperature operation, and positive and nega- tive transient voltage spikes. Five pin fixed voltage versions feature logic level ON/OFF control and an error flag which signals whenever the output falls out of regulation. Flagged states include low input voltage (dropout), output current limit, overtemperature shutdown, and extremely high voltage spikes on the input. On the MIC29xx1 and MIC29xx2, the ENABLE pin may be tied to V IN if it is not required for ON/OFF control. The MIC29150/29300/29500 are available in 3- and 5-pin TO-220 and surface mount TO-263 packages. The MIC29750 7.5A regulators are available in 3- and 5-pin TO-247 packages. Features • High Current Capability MIC29150/29151/29152/29153 ................................ 1.5A MIC29300/29301/29302/29303 ................................... 3A MIC29500/29501/29502/29503 ................................... 5A MIC29750/29751/29752 ........................................... 7.5A • Low-Dropout Voltage ....................... 350mV at Full Load • Low Ground Current • Accurate 1% Guaranteed Tolerance • Extremely Fast Transient Response • Reverse-battery and “Load Dump” Protection • Zero-Current Shutdown Mode (5-Pin versions) • Error Flag Signals Output Out-of-Regulation (5-Pin versions) • Also Characterized For Smaller Loads With Industry- Leading Performance Specifications • Fixed Voltage and Adjustable Versions Applications • Battery Powered Equipment • High-Efficiency “Green” Computer Systems • Automotive Electronics • High-Efficiency Linear Power Supplies • High-Efficiency Post-Regulator For Switching Supply Pinout On all devices, the Tab is grounded. MIC29150/29300/29500/29750 Three Terminal Devices: Pin 1 = Input, 2 = Ground, 3 = Output MIC29151/29301/29501/29751 Five Terminal Fixed Voltage Devices: Pin 1 = Enable, 2 = Input, 3 = Ground, 4 = Output, 5 = Flag MIC29152/29302/29502/29752 Adjustable with ON/OFF Control Pin 1 = Enable, 2 = Input, 3 = Ground, 4 = Output, 5 = Adjust MIC29153/29303/29503 Adjustable with Flag Pin 1 = Flag, 2 = Input, 3 = Ground, 4 = Output, 5 = Adjust 1 2 3 1 2 3 4 5 MIC29151/29152/29153BT MIC29301/29302/29303BT MIC29501/29502/29503BT MIC29751/29752BWT MIC29150/29300/ 29500BT and MIC29750BWT Pin Configuration 1 2 3 MIC29150/29300BU MIC29151/29152/29153BU MIC29301/29302/29303BU MIC29501/29502/29503BU 1 2 3 4 5 Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com |
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