General Description

The MIC2130/1 is a high voltage input PWM synchronous buck controller IC. It is a voltage mode controller with a fast hysteretic control loop (FHyCL) employed during fast line and load transients. The internal gate drivers are designed to drive high current MOSFETs.

Features

• 8V to 40V input voltage range

• Adjustable output voltages down to 0.7V

• LOW EMI option MIC2131

• Fixed 150kHz and 400kHz frequency options

• Excellent line and load regulation due to fast hysteretic control loop during transients

• Adaptive gate drive allows efficiencies over 95

• Programmable current limit with no sense resistor

• Senses low-side MOSFET current

• Internal drivers allow 15A output current

• Power Good output allow simple sequencing

• Programmable soft-start pin

• 100 increase in current limit (MIC2131)

• Output over-voltage protection

• Programmable Input UVLO

• 16-pin e-TSSOP and 16-pin 4mm x 4mm MLF®

• Junction temperature range of –40°C to +125°C

Applications

• Industrial/Medical DC/DC point of use power

• Printer head drivers

• Automotive Systems

• Telecom systems

• LCD/ Plasma TV

• Gaming Machines