Datasheet for LT3740EDHC#PBF:
- Manufacturer Part Number : LT3740EDHC#PBF
- Manufacturer : AD
- Description : Wide Operating Range, Valley Mode, No RSENSE™ Synchronous Step-Down Controller IC
- Series : LT3740
- Reference Price : USD 1.56
- 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 : 16-Lead DFN (5mm x 3mm w/ EP)
- Pins : 16
- MFG Package Case : 05-08-1706
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 73
- Working Temperature : -40 to 125C
- Other Part Number : LT3740EDHC#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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The LT3740 is a synchronous step-down switching regulator controller that drives N-channel power MOSFET stages. The controller uses valley current mode architecture to achieve very low duty cycles with excellent transient response without requiring a sense resistor.
The LT3740 includes an internal step-up converter to provide a bias 7.8V higher than the input voltage for the drive. This enables the part to work from an input voltage as low as 2.2V.
The XREF pin is an external reference input that allows the user to override the internal 0.8V feedback reference with any lower value, allowing full control of the output voltage during operation, output voltage tracking or soft-start.
The LT3740 has three current limit levels that can be chosen by connecting the RANGE pin to ground, open, and input respectively.
Applications
- Notebook and Palmtop Computers, PDA
- Portable Instruments
- Distributed Power Systems
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.
