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PT8100 Series
40-A 3.3/5-V Input Programmable Integrated Switching Regulator
SLTS157A
(Revised 8/23/2002)
Features
• 40ADC Output Current • +3.3V or +5V Input • Low Output Voltages:
0.8V—2.7V
• High Efficiency • Programmable Output:
(VRM Compatible 5-bit Codes)
• Multiphase Topology
• Output Remote Sense • Short-Circuit Protection • Thermal Shutdown • Standby On/Off Control • Space-Saving Package • Solderable Copper Case
Description
The PT8100 Excalibur™ power modules are a family of high-output, high-efficiency, fully integrated switching regulators (ISRs), housed in a solderable 31-pin space-saving copper package. Modules are available for operation from either a 3.3V or 5V nominal input bus voltage. Each provides up to 40A of output current at output voltages as low as 0.8V.