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Manufacturer / Brand: AD
Details: 25V, 2.2A, 2.8MHz Step-Down Switching Regulator IC
Series: LT1938
Quantity Available: Over 68980 pieces

Datasheet for LT1938EDD#PBF:

LT1938EDD#PBF datasheet
Price for LT1938EDD#PBF
Product Parameters
  • Manufacturer Part Number : LT1938EDD#PBF
  • Manufacturer : AD
  • Description : 25V, 2.2A, 2.8MHz Step-Down Switching Regulator IC
  • Series : LT1938
  • Reference Price : USD 2.2
  • Our Price : We have a better price, contact us by email
  • Product Type : Switching Regulators
  • Function : Step-Down (Buck) Regulators
  • Current Suggest : Production
  • Status : Production
  • ROHS Status : ROHS Compliant (Lead Free)
  • Package Type : 10-Lead DFN (3mm x 3mm w/ EP)
  • Pins : 10
  • MFG Package Case : 05-08-1699
  • Part Type : OTH
  • Standard Packing Type : Tube
  • Standard Packing Quantity : 121
  • Working Temperature : -40 to 125C
  • Other Part Number : LT1938EDD#PBF
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LT1938EDD#PBF
Product Detailed Description for LT1938EDD#PBF

The LT1938 is an adjustable frequency (300kHz to 2.8MHz) monolithic buck switching regulator that accepts input voltages up to 25V. A high efficiency 0.18Ω switch is included on the die along with a boost Schottky diode and the necessary oscillator, control and logic circuitry. Current mode topology is used for fast transient response and good loop stability. The LT1938's high operating frequency allows the use of small, low cost inductors and ceramic capacitors resulting in low output ripple while keeping total solution size to a minimum. The low current shutdown mode reduces input supply current to less than 1µA while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good flag signals when VOUT reaches 90% of the programmed output voltage. The LT1938 is available in a 3mm × 3mm DFN package with Exposed Pad for low thermal resistance.

Applications

  • Automotive Battery Regulation
  • Power for Portable Products
  • Distributed Supply Regulation
  • Industrial Supplies
  • Wall Transformer Regulation
Lifecycle information of LT1938EDD#PBF

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

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