Microchip | MIC49500-0.9WR

The MIC49500-0.9WR is an ultra-high-bandwidth, low-dropout, 5.0 A voltage regulator ideal for powering core voltages of low-voltage microprocessors. The MIC49500 implements a dual supply configuration allowing for very low output impedance and very fast transient response.

The MIC49500 requires a bias input supply and a main input supply, allowing for ultra-low input voltages on the main supply rail. The input supply operates from 1.4 V to 6 V and the bias supply requires between 3 V and 6 V for proper operation. The MIC49500 can regulate to an output voltage as low as 0.7 V, making it an ideal product for low-voltage to low-voltage conversion.

The MIC49500 requires a minimum of output capacitance for stability, working optimally with any type of capacitor, including small ceramic capacitors. Available in fixed output voltages from 0.9 V to 1.8 V and adjustable output voltages down to 0.7 V, the MIC49500 comes in both 7-pin S-Pak and TO-263 packages. The MIC49500 is rated to the full operating temperature range of -40°C to 125°C junction temperature.

Features:

• Input voltage range: 2.7 V to 6.0 V
• VIN: 1.4 V to 6 V
• VIN: 1.4 V to 6 V
• Stable with 10µF ceramic output capacitor
• ±1.0% initial output tolerance
• Maximum dropout (VIN - VOUT) is 500 mV over temperature
• Adjustable output voltage down to 0.7 V
• Ultra Fast Transient Response (Up to 10 MHz bandwidth)
• Excellent line and load regulation specifications
• Logic controlled shutdown option
• Thermal shutdown and current limit protection
• Thin 7-pin S-Pak package
• TO-263 7-pin package
• -40°C to +125°C operating junction temperature range

Applications:

• ASIC Core Voltage Regulator
• PLD/FPGA Core Power Supply
• Linear Point-of-Load Conversion
• High Speed Post-Regulator