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FAN1540B
1A/1.3A, LDO with Low Quiescent Current
FAN1539B / FAN1540B — 1A/1.3A, LDO with Low Quiescent Current June 2007 FAN1539B / FAN1540B 1A/1.3A, LDO with Low Quiescent Current Features Description The FAN1539B / FAN1540B series of high-current Very Low Ground Current (I = 1mA) GND LDOs (1.0A and 1.3A) has been developed for portable Excellent Line Regulation applications where low quiescent current is an important Excellent Load Regulation requirement. The device features excellent line and load transient response that does not exceed 10% of nominal Very Low Transient Overshoot output value for full operating temperature range, even Stable with Low-ESR Output Capacitor during power ON cycle and short-circuit removal. Thermal Shutdown Internally trimmed, temperature-compensated bandgap reference guarantees 2.5% accuracy for full range of Current Limit input voltage, output current, and temperature. Included on the chip are accurate current limit and thermal Applications shutdown protection. Device stability is achieved with only two external, low-ESR ceramic capacitors. Disk Drive Circuits The FAN1539B / FAN1540B is available in the thermally Desktop Computers enhanced 3x3mm 6-lead MLP package. Laptops, Notebook Computers General-Purpose, Three-Terminal Regulators Ordering Information Part Number Pb-Free Output Voltage Package Packing Method FAN1539BMPX Yes 3.3V 3x3mm 6-Lead Molded Leadless Package Tape and Reel FAN1540BMPX Yes 3.3V 3x3mm 6-Lead Molded Leadless Package Tape and Reel Tape and Reel Information Quantity Reel Size Width 3000 7 inch 8mm © 2007 FAN1539B / FAN1540B • Rev. 1.0.0
