TPS70175-Q1

TPS70175-Q1 www.ti.com SGLS300B – MARCH 2005 – REVISED SEPTEMBER 2010 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATOR WITH POWER-UP SEQUENCING FOR SPLIT-VOLTAGE DSP SYSTEMS Check for Samples: TPS70175-Q1 FEATURES 1 2 Qualified for Automotive Applications Dual Output Voltages for Split-Supply Applications Selectable Power-Up Sequencing for DSP Applications Output Current Range of 500 mA on Regulator 1 and 250 mA on Regulator 2 Fast Transient Response Voltage Options: 5 V/2.5 V Open Drain Power-On Reset With 30-ms Delay Open Drain Power Good for Regulator 1 Ultra Low 190-mA (Typ) Quiescent Current 1-mA Input Current During Standby Low Noise = 65 mVRMS Without a Bypass Capacitor Quick Output Capacitor Discharge Feature Two Manual Reset Inputs 2% Accuracy Over Load and Temperature Undervoltage Lockout (UVLO) Feature 20-Pin PowerPAD™ TSSOP Package Thermal Shutdown Protection DESCRIPTION The TPS70175 is designed to provide a complete power management solution for the TMS320™ DSP family, processor power, ASIC, FPGA, and digital applications where dual output voltage regulators are required. Easy programmability of the sequencing function makes the TPS70175 ideal for any TMS320 DSP applications with power sequencing requirements. Differentiated features, such as accuracy, fast transient response, SVS supervisory circuit, manual reset inputs, and an enable function, provide a complete system solution. The TPS70175 voltage regulator offers low dropout vol...