Product Summary

The MIC5258-3.3BM5 is an efficient, precise CMOS voltage regulator with power good output. The MIC5258-3.3BM5 offers better than 3% initial accuracy, and constant ground current (typically 100μA)over load . Applications are (1)Processor power-up sequencing; (2)Laptop, notebook, and palmtop computers; (3)PCMCIA VCC and VPP regulation/switching.

Parametrics

MIC5258-3.3BM5 absolute maximum ratings: (1)Supply Input Voltage (VIN): 0V to +7V; (2)Enable Input Voltage (VEN): 0V to VIN; (3)Flag Output Voltage (VPG): 0V to VIN; (4)Junction Temperature (TJ): +150°C; (5)Storage Temperature: –65°C to +150°C; (6)Lead Temperature (soldering, 5 sec.): 260°C.

Features

MIC5258-3.3BM5 features: (1)Power Good indicator; (2)Load independent, ultralow ground current: 100μA; (3)150mA output current; (4)Current limiting; (5)Thermal shutdown; (6)Tight load and line regulation; (7)Zero off-mode current; (8)Stability with low-ESR capacitors; (9)Fast transient response; (10)TTL-Logic-controlled enable input.

Diagrams

MIC5258-3.3BM5 pin connection