Datasheet for LTC3409EDD#TRPBF:
- Manufacturer Part Number : LTC3409EDD#TRPBF
- Manufacturer : AD
- Description : 600mA Low VIN Buck Regulator in 3mm × 3mm DFN IC
- Series : LTC3409
- Reference Price : USD 1.8
- 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 3mm x 0.75mm w/ EP)
- Pins : 8
- MFG Package Case : 05-08-1698
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 125C
- Other Part Number : LTC3409EDD#TRPBF
- 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 LTC3409 is a high efficiency, monolithic synchronous buck regulator using a constant frequency, current mode architecture. The output voltage is adjusted via an external resistor divider.
Fixed switching frequencies of 1.7MHz and 2.6MHz are supported. Alternatively, an internal PLL will synchronize to an external clock in the frequency range of 1MHz to 3MHz. This range of switching frequencies allows the use of small surface mount inductors and capacitors, including ceramics.
Supply current during Burst Mode operation is only 65µA dropping to <1µA in shutdown. The 1.6V to 5.5V input voltage range makes the LTC3409 ideally suited for single cell Li-Ion, Li-Metal and 2-cell alkaline, NiCd or NiMH battery-powered applications. 100% duty cycle capability provides low dropout operation, extending battery life in portable systems. Burst Mode operation can be user enabled, increasing efficiency at light loads, further extending battery life.
The internal synchronous switch increases efficiency and eliminates the need for an external Schottky diode. Internal soft-start offers controlled output voltage rise time at start-up without the need for external components.
Protected by U.S. Patents, including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131.
| Vout Range | |
| LTC3409 | ±5% |
| LTC3409A | ±3% |
Applications
- Cellular Phones
- Digital Cameras
- MP3 Players
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.
