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LM2990SX-12
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LM2990SX-12

  • Category:Switching regulators
  • Product Name:Negative low dropout regulator
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:TO-263
  • Stock Status:There is stock
  • Stock Quantity:26200
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM2990SX-12
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  • Product introduction

peculiarity

  • 5% output accuracy over the entire operating range
  • The output current exceeds 1A
  • Typically 0.6V, 1A load voltage difference
  • Low quiescent current
  • Internal short-circuit current limit
  • Internal thermal shutdown with hysteresis
  • The LM2940 series is complemented by functions

illustrate

The LM2990 three-terminal, low dropout, 1 amp negative voltage regulator has fixed output voltages of -5, -5.2, -12, and -15V.

The LM2990 uses new circuit design techniques to provide low dropout and low quiescent current. The low dropout voltage of 1A load current is typically 0.6V and a worst-case maximum of 1V over the entire operating temperature range. Typical quiescent current is 1A, load current, and 1 mA input-output voltage difference is greater than 3V. A unique circuit design with an internal bias supply limits the quiescent current to only 9 mA (typical) when regulated dropout mode(VOUT-V IN 3V)。 Output voltage accuracy is guaranteed to be ± 5% full load and extreme temperatures.

The LM2990 is short-circuit protected and thermally shut down to improve equipment reliability during long periods of heavy load, including hysteresis. The LM2990 is a 3-pin TO-220 package rated for -40°C to +125°C operation over the automotive temperature range


apply

  • Post switching regulator
  • Local, on the card, regulated
  • Battery-powered devices

andLM2990SX-12Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LM2990SX-12/NOPB   10+11+   Hong Kong spot, imported original
LM2990SX-5.0/NOPB   10+11+   Hong Kong spot, imported original
LM2990SX-15 NSC 07+ TO-263-3 Negative low dropout regulator
LM2990SX-12 NSC 10+ TO-263 Negative low dropout regulator
LM2990SX-5.0 NSC 08+ TO263 Negative low dropout regulator

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