TPS77433

TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT TPS77401/415/418/427/428/433/450 WITH POWER GOOD OUTPUT 250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING SLVS281E – FEBRUARY 2000 – REVISED JULY 2001 D Open Drain Power-On Reset With 220-ms Delay (TPS773xx) D Open Drain Power-Good (PG) Status Output (TPS774xx) D 250-mA Low-Dropout Voltage Regulator D Available in 1.5-V, 1.6-V (TPS77316 Only), 1.8-V, 2.7-V, 2.8-V, 3.3-V, 5.0-V Fixed Output and Adjustable Versions D Dropout Voltage Typically 200 mV at 250 mA (TPS77333, TPS77433) D Ultralow 92-µA Quiescent Current (Typ) D 8-Pin MSOP (DGK) Package D Low Noise (55 µVrms) Without an External Filter (Bypass) Capacitor (TPS77318, TPS77418) D 2% Tolerance Over Specified Conditions For Fixed-Output Versions D Fast Transient Response D Thermal Shutdown Protection D See the TPS779xx Family of Devices for Active High Enable FB/SENSE RESET EN GND FB/SENSE PG EN GND TPS773xx DGK Package (TOP VIEW) 1 8 2 7 3 6 4 5 TPS774xx DGK Package (TOP VIEW) 1 8 2 7 3 6 4 5 OUT OUT IN IN OUT OUT IN IN TPS77x33 DROPOUT VOLTAGE vs JUNCTION TEMPERATURE 300 description The TPS773xx and TPS774xx are low-dropout regulators with integrated power-on reset and power good (PG) function respectively. These devices are capable of supplying 250 mA of output current with a dropout of 200 mV (TPS77333, TPS77433). Quiescent current is 92 µA at full load dropping down to 1 µA when device is disabled. These devices are optimized to be stable with...