The APL1085 is a low dropout three-terminal adjustable regulator with 3A output current capability.
The APL1085 is a three-terminal adjustable regulator with a 3A output current capability, optimized for lower dropout voltage and faster transient response in low voltage applications. It offers an output voltage range from 1.25V to 5.75V (adjustable) or a fixed 3.3V option, suitable for Pentium™ Processor Supplies, PowerPC™ Supplies, and battery-powered circuitry.
The device includes on-chip thermal limiting protection against excessive junction temperatures and features guaranteed dropout voltage at multiple currents. It is available in standard through-hole and surface mount packages including TO-220, TO-252, and TO-263.
| Output Current | 3A |
|---|---|
| Load Regulation | 0.05% Typ. |
| Line Regulation | 0.03% Typ. |
| Dropout Voltage | 1.2V Typ. |
| Current Limit | 3A Typ. |
| Thermal Limiting | 150 °C Typ. |
The APL1085 has a guaranteed trim current limit of 3A typical at 125 °C.
The regulator maintains a low dropout voltage of 1.2V typical when delivering 3A.
The output available voltage range is from 1.25 to 5.75V with an input supply below 7V.