Product Overview NCP59749: Ultra-Low Dropout Voltage Regulator with Bias Rail, 3 A For complete documentation, see the data sheet Product Description NCP59749 is 3 A ultra-low dropout (LDO) voltage regulator, capable of providing an output current in excess of 3 A with a dropout voltage of 120 mV typ. at full load current. Output voltage is adjustable down to 0.8 V. Internal protection features consist of thermal shutdown and output current limiting protection. Additional features include user-programmable Soft-Start and Power-Good. NCP59749 is available in 5x5 QFN20 package. Features Benefits • • • • • • 0.8V to 3.6V Output Voltage Range 0.8V to 5.5V Input Voltage Range 120 mV typical dropout at the full 3.0 A load. 120mV Typ. Dropout @ 3A 25uVrms of Output Noise Very Fast Transient Response • • • • Output Current in Excess of 3.0 A Fast Transient Response Programmable Soft-Start Open Drain Power Good Output For more features, see the data sheet • • • • • • Applications Very suitable for low output voltage operation Excellent solution for low input voltage applications minimizes the power loss across the regulator Able to operate with very small Vin - Vout voltage headroom Ideal for Noise Sensitive Applications Very Suitable choice for Voltage Regulation in High-Speed Digital Applications End Products • POL Applications • Networking and Telecommunications • Voltage Regulation for Low Voltage, High Current FPGA, DSP power rails • Industrial • Voltage Regulation for Mixed-Signal Transceiver ICs • Servers • Routers • Networking Switches • Cellular Infrastructure Equipment • Cellular Telecom Equipment Part Electrical Specifications Product Compliance Status Output Polarity VO (V) NCP59749MN2ADJTB G Pb-free Active Single Positive Adjustabl 3 e Halide free IO Typ (A) VI Max (V) VDO Typ (V) Iq Typ (mA) PSRR (dB) Noise (µVrms) Package Type 5.5 0.12 1.2 75 20 QFN-20 For more information please contact your local sales support at www.onsemi.com Created on: 6/30/2016