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TPS70748PWPG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS70748PWPG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 40 page 1 FEATURES DESCRIPTION 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 PWP PACKAGE (TOP VIEW) NC VIN1 VIN1 MR1 MR2 EN SEQ GND VIN2 VIN2 NC VOUT1 VOUT1 VSENSE1/FB1 PG1 RESET VSENSE2/FB2 VOUT2 VOUT2 NC TPS70745, TPS70748 TPS70751, TPS70758 TPS70702 SLVS291D – MAY 2000 – REVISED DECEMBER 2007 www.ti.com Dual-Output, Low Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP Systems 23 • Dual Output Voltages for Split-Supply TPS707xx family devices are designed to provide a Applications complete power management solution for the TMS320™ DSP family, processor power, ASIC, • Selectable Power-Up Sequencing for DSP FPGA, and digital applications where dual output Applications (See Part Number TPS708xx for voltage regulators are required. Easy programmability Independent Enable Outputs) of the sequencing function makes the TPS707xx • Output Current Range of 250mA on Regulator family ideal for any TMS320 DSP applications with 1 and 125mA on Regulator 2 power sequencing requirements. Differentiated features, such as accuracy, fast transient response, • Fast Transient Response SVS supervisory circuit, manual reset inputs, and an • Voltage Options: 3.3V/2.5V, 3.3V/1.8V, enable function, provide a complete system solution. 3.3V/1.5V, 3.3V/1.2V, and Dual Adjustable Outputs The TPS707xx family of voltage regulators offer very low dropout voltage and dual outputs with power-up • Open Drain Power-On Reset with 120ms Delay sequence control, which is designed primarily for • Open Drain Power Good for Regulator 1 DSP applications. These devices have extremely low • Ultralow 190µA (typ) Quiescent Current noise output performance without using any added filter bypass capacitors and are designed to have a • 1µA Input Current During Standby fast transient response and be stable with 10 µF low • Low Noise: 65µV RMS Without Bypass Capacitor ESR capacitors. • Quick Output Capacitor Discharge Feature These devices have fixed 3.3V/2.5V, 3.3V/1.8V, • Two Manual Reset Inputs 3.3V/1.5V, 3.3V/1.2V, and adjustable/adjustable • 2% Accuracy Over Load and Temperature voltage options. Regulator 1 can support up to 250mA, and regulator 2 can support up to 125mA. • Undervoltage Lockout (UVLO) Feature Separate voltage inputs allow the designer to • 20-Pin PowerPAD™ TSSOP Package configure the source power. • Thermal Shutdown Protection 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 PowerPAD, TMS320 are trademarks of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2000–2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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