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TPS77715 Dataheets PDF



Part Number TPS77715
Manufacturers Texas Instruments
Logo Texas Instruments
Description Linear Regulators
Datasheet TPS77715 DatasheetTPS77715 Datasheet (PDF)

www.ti.com TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 with RESET OUTPUT TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 with PG OUTPUT FASTĆTRANSIENTĆRESPONSE 750ĆmA LOWĆDROPOUT LINEAR REGULATORS SLVS230G − SEPTEMBER 1999 − REVISED JANUARY 2004 D Open Drain Power-On Reset With 200 ms Delay (TPS777xx) D Open Drain Power Good (TPS778xx) D 750-mA Low-Dropout Voltage Regulator D Available in 1.5-V, 1.8-V, 2.5-V, 3.3-V Fixed Output and Adjustable Versions D Dropout Voltage to 260 mV (Typ) at.

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www.ti.com TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 with RESET OUTPUT TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 with PG OUTPUT FASTĆTRANSIENTĆRESPONSE 750ĆmA LOWĆDROPOUT LINEAR REGULATORS SLVS230G − SEPTEMBER 1999 − REVISED JANUARY 2004 D Open Drain Power-On Reset With 200 ms Delay (TPS777xx) D Open Drain Power Good (TPS778xx) D 750-mA Low-Dropout Voltage Regulator D Available in 1.5-V, 1.8-V, 2.5-V, 3.3-V Fixed Output and Adjustable Versions D Dropout Voltage to 260 mV (Typ) at 750 mA (TPS77x33) D Ultralow 85 mA Typical Quiescent Current D Fast Transient Response D 2% Tolerance Over Specified Conditions for Fixed-Output Versions D 8-Pin SOIC and 20-Pin TSSOP PowerPAD (PWP) Package D Thermal Shutdown Protection GND/HSINK GND/HSINK GND NC EN IN IN NC GND/HSINK GND/HSINK PWP PACKAGE (TOP VIEW) 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 NC − No internal connection D PACKAGE (TOP VIEW) GND/HSINK GND/HSINK NC NC RESET/PG FB/NC OUT OUT GND/HSINK GND/HSINK description TPS777xx and TPS778xx are designed to have a fast transient response and be stable with a 10 µF low ESR capacitor. This combination provides high performance at a reasonable cost. GND 1 EN 2 IN 3 IN 4 8 RESET/PG 7 FB/NC 6 OUT 5 OUT TPS77x33 DROPOUT VOLTAGE vs FREE-AIR TEMPERATURE 103 102 IO = 750 mA TPS77x33 LOAD TRANSIENT RESPONSE Co = 2x47 µF 50 ESR = 1/2x100 mΩ VO = 3.3 V VI = 4.3 V 0 ∆ VO − Change in Output Voltage − mV IO − Output Current − mA VDO − Dropout Voltage − mV 101 IO = 10 mA 100 −50 1000 500 10−1 Co = 10 µF 10−2 −60 −40 −20 0 IO = 0 20 40 60 80 100 120 140 TA − Free-Air Temperature − °C 0 0 20 40 60 80 100 120 140 160 180 200 t − Time − µs 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. All trademarks are the property of their respective owners. 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  1999 − 2004, Texas Instruments Incorporated1 TPS77701, TPS77715, TPS77718, TPS77725, TPS77733 with RESET OUTPUT TPS77801, TPS77815, TPS77818, TPS77825, TPS77833 with PG OUTPUT FASTĆTRANSIENTĆRESPONSE 750ĆmA LOWĆDROPOUT LINEAR REGULATORS SLVS230G − SEPTEMBER 1999 − REVISED JANUARY 2004 description (continued) www.ti.com Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 260 mV at an output current of 750 mA for the TPS77x33) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 85 µA over the full range of output current, 0 mA to 750 mA). These two key s.


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