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5 A low-drop positive voltage regulator adjustable

Quantity $ per Unit Savings
1 - 9$2.090%
10 - 24$1.8710%
25 - 50$1.7616%
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In stock
Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
Packing TypeTube
RoHs compliantEcopack2
Package NameTO-220

The LD1084 is a low-drop voltage regulator providing up to 5 A of output current. Dropout is guaranteed at a maximum of 1.5 V at the maximum output current, decreasing at lower loads. The LD1084 is pin-to-pin compatible with the older 3-terminal adjustable regulators, but it has better performances in terms of drop and output tolerance.

Unlike PNP regulators, where a part of the output current is wasted as quiescent current, the LD1084 quiescent current flows into the load, so to increase the efficiency. A minimum capacitor of 10 μF is needed for stability.

The device is supplied in TO-220. The on-chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1% at 25 °C.

Key features
  • Typical dropout 1.3 V (at 5 A)
  • Three-terminal adjustable output voltage
  • Guaranteed output current up to 5 A
  • Output tolerance ± 1% at 25 °C and ± 2% in full temperature range
  • Internal power and thermal limit
  • Wide operating temperature range -40 °C to 125 °C
  • Package available: TO-220
  • Pinout compatibility with standard adjustable VREG