General Description

MIC20XX family of switches are current limiting, high-side power switches, designed for general purpose power distribution and control in digital televisions (DTV), printers, set top boxes (STB), PCs, PDAs, and other peripheral devices (see Functionality Table and Pin Configuration drawings)

Features

• MIC20X3 – MIC20X9

70mΩ typical on-resistance @ 5V

• MIC2005A/20X9A

170mΩ typical on-resistance @ 5V

• Enable active high or active low

• 2.5V – 5.5V operating range

• Pre-set current limit values of 0.5A, 0.8A, and 1.2A*

• Adjustable current limit 0.2A to 2.0A* (MIC20X7- MIC20X9)

• Adjustable current limit 0.1A to 0.9A* (MIC20X9A)

• Undervoltage lock-out (UVLO)

• Variable UVLO allows adjustable UVLO thresholds*

• Automatic load discharge for capacitive loads*

• Soft-start prevents large current inrush

• Adjustable slew rate allows custom slew rates*

• Automatic-on output after fault

• Thermal protection

Applications

• Digital televisions (DTV)

• Set top boxes

• PDAs

• Printers

• USB / IEEE 1394 power distribution

• Desktop and laptop PCs

• Game consoles

• Docking stations