DESCRIPTION

The AIC1594 series are step-down monolithic PWM regulators delivering 1A at fixed voltages of 2.5V , 3.3V, 5.0V , 12V and using a external divider to adjust output voltage from 1.25V to 30V with excellent line and load regulation.

FEATURES

• Operating Input Voltage From 4.5V to 36V

• 2.5V, 3.3V, 5V , 12V and Adjustable Output Version

• Adjustable Version Output Voltage Range , 1.25V to 30V ± 4 max Over Line and Load Regulation

• Available in TO220-5 and TO263-5 Package

• Requires Only 4 External Components.

• 150KHz/300KHz Fixed Constant Frequency

• Low Power Standby Mode, IQ Typically 80µA

• TTL Shutdown Capability.

• Output Overvoltage Protection

• Current Limit and Thermal Shutdown Protection.

• 1A Guaranteed Output Current

APPLICATIONS

• Simple High Efficiency Step-down regulator

• On-Card Switching regulators