Features

• Output voltage: 3.3V, 5V, 12V and adjustable output

version

• Adjustable version output voltage range, 1.23V to

37V+4%

• 50KHz +15% fixed switching frequency

• Voltage mode non-synchronous PWM control

• Thermal-shutdown and current-limit protection

• ON/OFF shutdown control input

• Operating voltage can be up to 60V

• Output load current: 2A (for AP1512)

3A (for AP1512A)

• Low power standby mode

• Built-in switching transistor on chip

• Lead Free Finish/ RoHS Compliant (Note 1)

Applications

• Simple High-efficiency step-down regulator

• On-card switching regulators

• Positive to negative converter