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