General Description
AP1580 consists of step-down switching regulator with PWM control. These devices include a reference voltage source, oscillation circuit, error amplifier and internal NMOS.

FEATUREs
• Input Voltage: 10V to 40V
• Adjustable Output Voltage from 0.8V to 0.9Vcc
• Duty Ratio: 0% to 90% PWM control
• Oscillation Frequency: 300KHz typical
• Short Circuit Protect Frequency: 30 KHz
• 2uA Maximum Standby Current
• Current Limit, Enable Function
• Thermal Shutdown Function
• Built-in Internal SW N-channel MOS
• Lead Free Finish/RoHS Compliant for Lead Free products (Note 1)
• Lead-Free Package: SOP-8L

APPLICATIONs
• Microprocessor Core Supply
• Networking Power Supply
• LCD MNT, TV Power Supply
• Telecom Power Supply