FEATURES

„ 6 V to 45 V input range

„ dc-to-dc buck converter with 5.7 V output

„ Overcurrent protection with foldback, and undervoltage lockout (UVLO)

„ Dual 5 V outputs

– Digital 5 V ±2, 200 mA

– Analog 5 V, 200 mA

– Short-to-supply protection on analog regulator

– Analog to digital regulator output tracking < 0.5, throughout

operating temperature range

„ 3.3 V linear regulator, with foldback current limit

„ Adjustable 1.2 V to 3.3 V linear regulator, adjustable foldback current limit

„ Ignition switch enable; Sleep mode

„ 100 duty cycle operation for low input voltages

„ Power OK output

„ –40°C to 135°C ambient operating temperature range