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TPS72216DBVT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS72216DBVT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page TPS72201, TPS72215 TPS72216, TPS72218 SLVS390B – DECEMBER 2001 – REVISED MAY 2002 LOW INPUT VOLTAGE, CAP FREE 50-mA LOW-DROPOUT LINEAR REGULATORS (3,00 mm x 3,00 mm) Actual Size FEATURES D 50-mA LDO D Available in 1.5-V, 1.6-V, and 1.8-V Fixed-Output and Adjustable Versions D Low Input Voltage Requirement (Down to 1.8 V) D Small Output Capacitor, 0.1-µF D Dropout Voltage Typically 50 mV at 50 mA D Less Than 1 µA Quiescent Current in Shutdown Mode D Thermal Protection D Over Current Limitation D 5-Pin SOT-23 (DBV) Package APPLICATIONS D Portable Communication Devices D Battery Powered Equipment D PCMCIA Cards D Personal Digital Assistants D Modems D Bar Code Scanners D Backup Power Supplies D SMPS Post Regulation D Internet Audio DESCRIPTION The TPS722xx family of LDO regulators is available in fixed voltage options that are commonly used to power the latest DSP’s and microcontrollers with an adjustable option ranging from 1.22 V to 2.5 V. These regulators can be used in a wide variety of applications ranging from portable, battery-powered equipment to PC peripherals. The family features operation over a wide range of input voltages (1.8 V to 5.5 V) and low dropout voltage (50 mV at full load). Therefore, compared to many other regulators that require 2.5-V or higher input voltages for operation, these regulators can be operated directly from two AAA batteries. Also, the typical quiescent current (ground pin current) is low, starting at 85 µA during normal operation and 1 µA in shutdown mode. Thus, these regulators can be operated very efficiently and, in a battery-powered application, help extend the longevity of the device. Similar LDO regulators require 1- µF or larger output capacitors for stability. However, this regulator uses an internal compensation scheme that stabilizes the feedback loop over the full range of input voltages and load currents with output capacitances as low as 0.1- µF. Ceramic capacitors of this size are relatively inexpensive and available in small footprints. This family of regulators is particularly suited as a portable power supply solution due to its minimal board space requirement and 1.8-V minimum input voltage. Being able to use two off-the-shelf, AAA, batteries makes system design easier and also reduces component cost. Moreover, the solution will be more efficient than if a regulator with a higher input voltage is used. 3 2 4 5 DBV PACKAGE (TOP VIEW) 1 IN GND EN OUT NC/FB TPS72215 0.1 µF 0.1 µF 1.8 V 1.5 V GND OUT IN EN 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. 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. www.ti.com Copyright 2002, Texas Instruments Incorporated |
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