LD1085 Datasheet - ST Microelectronics

LD1085 3A low drop positive voltage regulator

The LD1085 is a low drop voltage regulator able to provide up to 3 A of output current. Dropout is guaranteed at a maximum of 1.2 V at the maximum output current, decreasing at lower loads. The LD1085 is pin-to-pin compatible with the older 3-terminal adjustable regulators, but offers better perform.

LD1085 3 A low drop positive voltage regulator: adjustable and fixed TO-220 TO-220FP Datasheet - production data Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1085 quiescent current flows into the load, thus increase efficiency. Only a 10 µF minimum capacitor is need for stability. The device is supplied in TO-220, TO-220FP, D²PAK and D²PAK/A packages. On-chip trimming allows the regulator to reach a very tight output voltage tolerance, withi.

LD1085 Features

* Typical dropout 1.3 V (at 3 A)

* Three terminal adjustable or fixed output voltage 1.8 V, 2.5 V, 3.3 V, 5 V

* Guaranteed output current up to 3 A

* Output tolerance ± 1% at 25 °C and ± 2% in full temperature range

* Internal power and thermal limit

LD1085_STMicroelectronics.pdf