LD1085D2M33R

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1. Description

The LD1085D2M33R 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 LD1085D2M33R is pin-to-pin compatible with the older 3-terminal adjustable regulators, but offers better performance in terms of drop and output tolerance. 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, within ± 1% at 25 °C.

2. Features

    1. Typical dropout 1.3 V (at 3 A)

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

    3. Guaranteed output current up to 3 A

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

    5. Internal power and thermal limit

    6. Wide operating temperature range -40 °C to 125 °C

    7. Package available: TO-220, TO-220FP, D²PAK, D²PAK/A

    8. Pinout compatibility with standard adjustable VREG

3. Pin configuration

4. Electrical characteristics

5. Packaging Information