TPS77725

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 −...