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TPS76633D Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS76633D Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 24 page 1 FEATURES DESCRIPTION TPS76615 ,, TPS76618,, TPS76625 TPS76627, TPS76628, TPS76630 TPS76633, TPS76650, TPS76601 www.ti.com................................................................................................................................................. SLVS237C – AUGUST 1999 – REVISED JANUARY 2009 ULTRALOW QUIESCENT CURRENT 250-mA LOW DROPOUT VOLTAGE REGULATORS Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 2 • 250-mA Low Dropout Voltage Regulator mV at an output current of 250 mA for the TPS76650) • Available in 1.5 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V, and is directly proportional to the output current. 3.0 V, 3.3 V, 5.0 V Fixed Output and Adjustable Additionally, since the PMOS pass element is a Versions voltage-driven device, the quiescent current is very low and independent of output loading (typically 35 • Dropout Voltage to 140 mV (Typ) at 250 mA µA over the full range of output current, 0 mA to 250 (TPS76650) mA). These two key specifications yield a significant • Ultralow 35-µA Typical Quiescent Current improvement in operating life for battery-powered • 3% Tolerance Over Specified Conditions for systems. This LDO family also features a sleep Fixed Output Versions mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent • Open-Drain Power Good current to less than 1 µA (typ). • 8-Pin SOIC Package Power good (PG) is an active high output that can be • Thermal Shutdown Protection used to implement a power-on reset or a low-battery indicator. The TPS766xx is offered in 1.5 V, 1.8 V, 2.5 V, 2.7 V, This device is designed to have an ultralow quiescent 2.8 V, 3.0 V, 3.3 V and 5.0 V fixed voltage versions current and be stable with a 4.7- µF capacitor. This and in an adjustable version (programmable over the combination provides high performance at a range of 1.25 V to 5.5 V). Output voltage tolerance is reasonable cost. specified as a maximum of 3% over line, load, and temperature ranges. The TPS766xx family is available in an 8-pin SOIC package. 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 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2009, 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. |
Numéro de pièce similaire - TPS76633D |
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Description similaire - TPS76633D |
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