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TPS79733 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS79733 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 11 page TPS79718 TPS79730 TPS79733 SLVS332B – MARCH 2001 – REVISED JUNE 2001 ULTRALOW-POWER SC70/SOT-323 PACKAGED 10 mA LDO LINEAR REGULATORS WITH POWER GOOD OUTPUT (2,15 mm x 2,3 mm) Actual Size 1 www.ti.com FEATURES D 10-mA Low-Dropout Regulator D Ultralow 1.2-µA Quiescent Current at 10 mA D 5-Pin SC70/SOT-323 (DCK) Package D Integrated Power Good Output D Stable With Any Capacitor (>0.47 µF) D Dropout Voltage Typically 105 mV at 10 mA (TPS79733) D Over Current Limitation D –40°C to 85°C Operating Junction Temperature Range APPLICATIONS D Battery Powered Microcontrollers and Microprocessors DESCRIPTION The TPS797xx family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage and ultralow-power operation. The device is stable with any capacitor ( >0.47 µF). Therefore, implementations of this device require very little board space due to the miniaturized packaging and potentially small output capacitor. In addition, the family includes an integrated open drain active-high power good (PG) output. Intended for use in microcontroller based, battery-powered applications, the TPS797xx family’s low dropout and ultralow-powered operation results in a significant increase in system battery operating life. The small packaging minimizes consumption of board space. The device is enabled when the applied voltage exceeds the minimum input voltage. The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very low, typically 105 mV at 10 mA of load current, and is directly proportional to the load current. The quiescent current is ultralow (1.2 µA typically) and is stable over the entire range of output load current (0 mA to 10 mA). When properly configured with a pullup resistor, the PG output can be used to implement a power-on reset or low battery indicator. The TPS797xx is offered in 1.8-V, 3-V, 3.3-V fixed options. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright 2001, Texas Instruments Incorporated 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. 3 2 4 5 DCK PACKAGE (TOP VIEW) 1 PG GND NC OUT IN 0.50 0.75 1 1.25 1.50 1.75 2 –40 –15 10 35 60 TA – Free-Air Temperature – °C TPS79733 GROUND CURRENT vs FREE-AIR TEMPERATURE 85 VI = 4.3 V VO = 3.3 V Co = 1 µF IO = 10 mA |
Numéro de pièce similaire - TPS79733 |
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Description similaire - TPS79733 |
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