Datasheet for LTC3547BIDDB#TRMPBF:
- Manufacturer Part Number : LTC3547BIDDB#TRMPBF
- Manufacturer : AD
- Description : Dual Monolithic 300mA Synchronous Step-Down Regulator IC
- Series : LTC3547B
- Reference Price : USD 1.912
- 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 : 8-Lead DFN (3mm x 2mm w/ EP)
- Pins : 8
- MFG Package Case : 05-08-1702
- Part Type : OTH
- Standard Packing Type : Reel
- Standard Packing Quantity : 500
- Working Temperature : -40 to 125C
- Other Part Number : LTC3547BIDDB#TRMPBF
- 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 LTC3547B is a dual, 2.25MHz, constant-frequency, synchronous step-down DC/DC converter in a tiny 3mm × 2mm DFN package. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Low output voltages are supported with the 0.6V feedback reference voltage. Each regulator can supply 300mA continuous output current.
The input voltage range is 2.5V to 5.5V, making it ideal for Li-Ion polymer and USB powered applications. Supply current is only 1µA in shutdown.
An internally set 2.25MHz switching frequency allows the use of tiny surface mount inductors and capacitors. Internal soft-start reduces inrush current during start-up. All outputs are internally compensated to work with ceramic capacitors. The LTC3547B is available in a low profile (0.75mm) 3mm × 2mm DFN package. The LTC3547B is also available in a fixed output voltage configuration selected via internal resistor dividers.
Applications
- Cellular Telephones
- Digital Still Cameras
- Wireless and DSL Modems
- Portable Media Players
- PDAs/Palmtop PCs
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.
