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LM2585SX-3.3
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LM2585SX-3.3

  • Category:Inductorless DC/DC regulator (charge pump)
  • Product Name:3 amp flyback regulator
  • Manufacturers:NSC
  • Production Batch Number:08+
  • Encapsulation:TO-263
  • Stock Status:There is stock
  • Stock Quantity:2500
  • Minimum order quantity: 1
  • Details:点击查找LM2585SX-3.3的pdf资料
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  • Product introduction

peculiarity

  • Few external components are required
  • Standard inductors and transformer homes
  • NPN output switch 3.0A, can stand off-site 65V
  • Wide input voltage range: 4V to 40V
  • Current mode operation for improved transient response, profile and current limiting
  • Switching frequency of 100 kHz
  • An internal soft-start feature reduces inrush current during start-up
  • Protects the output transistors from current limiting, undervoltage lockout, and thermal shutdown
  • The output voltage tolerance of the system ± line and load conditions up to more than 4%.

illustrate

The voltage regulator LM2585 series is a monolithic IC specifically designed for flyback, step-up (boost), and forward converter applications. The device is available in 4 different output voltage versions: 3.3V, 5.0V, 12V, and adjustable.

Requiring a minimum number of external components, these regulatory bodies are cost-effective and easy to use. Typical circuits for boost and flyback regulators included in the datasheet. While listing diodes and capacitors and a home of standard design work, these switching regulator inductors and flyback transformers are selected guides.

The power switch is a 3.0A NPN device that can be independently turned off to 65V. Protect power switch current and thermal limit circuit, undervoltage lockout circuit. The IC contains an internal oscillator at a fixed frequency of 100 kHz, allowing the use of small magnetics. Other features include a soft-start mode to reduce inrush current, repulsion to improve input voltage and output load transient response during start-up, and cycle-by-cycle current limit repulsion, and current-mode control. The output voltage tolerance is ± 4%, which guarantees the power supply system under the specified input voltage and output load conditions.

andLM2585SX-3.3Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LM2585SX-ADJ/NOPB   10+11+   Hong Kong spot, imported original
LM2585SX-ADJ NSC 09+10+ TO263 3 amp flyback regulator
LM2585SX-5.0 NSC 10+ TO-263 3 amp flyback regulator
LM2585SX-3.3 NSC 08+ TO-263 3 amp flyback regulator
LM2585SX-12 NSC 08+ TO-263-5 3 amp flyback regulator

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