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LM7800C - Series 3-Terminal Positive Regulators

Description

The LM140/LM340A/LM340/LM7800C monolithic 3-terminal positive voltage regulators employ internal current-limiting, thermal shutdown and safe-area compensation, making them essentially indestructible.

If adequate heat sinking is provided, they can deliver over 1.0A output current.

Features

  • n Complete specifications at 1A load n Output voltage tolerances of ± 2% at Tj = 25˚C and ± 4% over the temperature range (LM140A/LM340A) n Line regulation of 0.01% of VOUT/V of ∆VIN at 1A load (LM140A/LM340A) n Load regulation of 0.3% of VOUT/A (LM140A/LM340A) n Internal thermal overload protection n Internal short-circuit current limit n Output transistor safe area protection n P+ Product Enhancement tested Device LM140 LM340A/LM340 Output Voltages 5, 12, 15 5, 12, 15 5, 8, 12, 15 TO-3 (K) TO-.

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LM140/LM340A/LM340/LM7800C Series 3-Terminal Positive Regulators May 1999 LM140/LM340A/LM340/LM7800C Series 3-Terminal Positive Regulators General Description The LM140/LM340A/LM340/LM7800C monolithic 3-terminal positive voltage regulators employ internal current-limiting, thermal shutdown and safe-area compensation, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents.
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