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TPS70245 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS70245 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 PWPPACKAGE (TOPVIEW) NC VIN1 VIN1 MR EN1 EN2 RESET GND VIN2 VIN2 NC VOUT1 VOUT1 VSENSE1/FB1 PG1 PG2 VSENSE2/FB2 VOUT2 VOUT2 NC NC=Nointernalconnection 1.8 V VIN1 VIN2 EN1 EN2 VOUT1 VSENSE1 PG1 MR RESET PG2 VSENSE2 VOUT2 TPS70251PWP 5V 3.3V I/O PG2 Core 0.1 mF RESET 10 mF 10 mF 0.1 mF MR PG1 EN1 250kW >2V <0.7V 250kW >2V <0.7V >2V <0.7V EN2 250kW TPS70245, TPS70248 TPS70251, TPS70258 TPS70202 www.ti.com SLVS286E – JUNE 2000 – REVISED DECEMBER 2009 DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS 1 FEATURES DESCRIPTION 23 • Dual Output Voltages for Split-Supply The TPS702xx is a low dropout voltage regulator with Applications integrated SVS (RESET, POR, or power on reset) and power good (PG) functions. These devices are • Independent Enable Functions (See Part capable of supplying 500mA and 250mA by regulator Number TPS701xx for Sequenced Outputs) 1 and regulator 2 respectively. Quiescent current is • Output Current Range of 500mA on Regulator typically 190 μA at full load. Differentiated features, 1 and 250mA on Regulator 2 such as accuracy, fast transient response, SVS • Fast Transient Response supervisory circuit (power on reset), manual reset input, and independent enable functions provide a • Voltage Options: 3.3V/2.5V, 3.3V/1.8V, complete system solution. 3.3V/1.5V, 3.3V/1.2V, and Dual Adjustable Outputs • Open Drain Power-On Reset with 120ms Delay • Open Drain Power Good for Regulator 1 and Regulator 2 • Ultralow 190 μA (typ) Quiescent Current • 1 μA Input Current During Standby • Low Noise: 65 μVRMS Without Bypass Capacitor • Quick Output Capacitor Discharge Feature • One Manual Reset Input • 2% Accuracy Over Load and Temperature • Undervoltage Lockout (UVLO) Feature • 20-Pin PowerPAD™ TSSOP Package • 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 is a trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2000–2009, 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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