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TPS767D301-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS767D301-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page 1 FEATURES DESCRIPTION NC NC 1GND 1IN 1IN NC NC 2GND 2IN 2IN NC NC NC=Nointernalconnection NC NC 1FB/NC 1OUT 1OUT NC NC NC 2OUT 2OUT NC NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1EN 2EN 2RESET 1RESET PWPPACKAGE (TOPVIEW) 0 20 200 40 60 80 100 120 140 160 180 LINETRANSIENTRESPONSE V =3.3V C =10 F T =25 C OUT L A m ° 5.3 4.3 10 0 - 10 t Time s - - m 10 3 10 2 10 1 10 - 1 10 - 2 10 - 60 -40 -20 0 20 40 60 80 100 120 140 T Free-AirTemperature C A - - ° V =3.3V C =10 F OUT OUT m I =0 OUT I =10mA OUT I =1A OUT DROPOUTVOLTAGE vsFREE-AIRTEMPERATURE TPS767D3xx www.ti.com......................................................................................................................................................... SLVS209H – JULY 1999 – REVISED AUGUST 2008 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS Because the PMOS device behaves as a low-value 23 • Dual Output Voltages for Split-Supply resistor, the dropout voltage is very low (350mV Applications typically at an output current of 1A for the • Output Current Range of 0mA to 1.0A per TPS767D325) and is directly proportional to the Regulator output current. Additionally, since the PMOS pass • 3.3V/2.5V, 3.3V/1.8V, and 3.3V/Adjustable element is a voltage-driven device, the quiescent Output current is very low and independent of output loading (typically 85 µA over the full range of output current, • Fast-Transient Response 0mA to 1A). These two key specifications yield a • 2% Tolerance Over Load and Temperature significant improvement in operating life for • Dropout Voltage Typically 350mV at 1A battery-powered systems. This LDO family also features a sleep mode; applying a TTL high signal to • Ultra-low 85µA Typical Quiescent Current EN (enable) shuts down the regulator, reducing the • 1µA Quiescent Current During Shutdown quiescent current to 1 µA at T J = +25°C. • Dual Open-Drain Power-On Reset with 200ms The RESET output of the TPS767D3xx initiates a Delay for Each Regulator reset in microcomputer and microprocessor systems • 28-Pin PowerPAD™ TSSOP Package in the event of an undervoltage condition. An internal • Thermal Shutdown Protection for Each comparator in the TPS767D3xx monitors the output voltage of the regulator to detect an undervoltage Regulator condition on the regulated output voltage. The TPS767D3xx is offered in 1.8V, 2.5V, and 3.3V fixed-voltage versions and in an adjustable version The TPS767D3xx family of dual voltage regulators (programmable over the range of 1.5V to 5.5V). offers fast transient response, low dropout voltages Output voltage tolerance is specified as a maximum and dual outputs in a compact package and of 2% over line, load, and temperature ranges. The incorporating stability with 10 µF low ESR output TPS767D3xx family is available in a 28-pin PWP capacitors. TSSOP package. They operate over a junction The TPS767D3xx family of dual voltage regulators is temperature range of –40°C to +125°C. designed primarily for DSP applications. These devices can be used in any mixed-output voltage application, with each regulator supporting up to 1A. Dual active-low reset signals allow resetting of core-logic and I/O separately. 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 © 1999–2008, 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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