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TPS70451PWPRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS70451PWPRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 40 page 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 GND/HEATSINK GND/HEATSINK V IN1 V IN2 V OUT2 V OUT1 V SENSE2/FB2 V IN1 V IN2 V OUT2 V OUT1 NC MR EN1 EN2 RESET GND NC=Nointernalconnection GND/HEATSINK GND/HEATSINK NC NC PG2 PG1 V SENSE1/FB1 PWPPACKAGE (TOPVIEW) 1.8 V VIN1 VIN2 EN1 EN2 VOUT1 VSENSE1 PG1 MR RESET PG2 VSENSE2 VOUT2 TPS70451PWP 5V 3.3V I/O PG2 Core 0.22 mF RESET 22 mF 47 mF 0.22 mF MR PG1 EN1 250kW >2V <0.7V 250kW >2V <0.7V >2V <0.7V EN2 250kW TPS70445, TPS70448 TPS70451, TPS70458 TPS70402 www.ti.com SLVS307F – SEPTEMBER 2000 – REVISED APRIL 2010 DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS Check for Samples: TPS70445, TPS70448, TPS70451, TPS70458, TPS70402 1 FEATURES DESCRIPTION 23 • Dual Output Voltages for Split-Supply The TPS704xx family of devices consists of Applications dual-output, low-dropout voltage regulators with integrated SVS (RESET, POR, or power on reset) • Independent Enable Functions (See Part and power good (PG) functions. These devices are Number TPS703xx for Sequenced Outputs) capable of supplying 1 A and 2 A by regulator 1 and • Output Current Range of 1 A on Regulator 1 regulator 2 respectively. Quiescent current is typically and 2 A on Regulator 2 185 mA at full load. Differentiated features, such as • Fast Transient Response accuracy, fast transient response, SVS supervisory circuit (power on reset), manual reset input, and • Voltage Options: 3.3-V/2.5-V, 3.3-V/1.8-V, independent enable functions provide a complete 3.3-V/1.5-V, 3.3-V/1.2-V, and Dual Adjustable system solution. Outputs • Open Drain Power-On Reset with 120-ms Delay • Open Drain Power Good for Regulator 1 and Regulator 2 • Ultralow 185mA (typ) Quiescent Current • 2mA Input Current During Standby • Low Noise: 78mVRMS Without Bypass Capacitor • Quick Output Capacitor Discharge Feature • One Manual Reset Input • 2% Accuracy Over Load and Temperature • Undervoltage Lockout (UVLO) Feature • 24-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 © 2000–2010, 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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