Datasheet for LTC3822EDD-1#PBF:
- Manufacturer Part Number : LTC3822EDD-1#PBF
- Manufacturer : AD
- Description : No RSENSE™, Low Input Voltage, Synchronous Step-Down DC/DC Controller IC
- Series : LTC3822-1
- Reference Price : USD 1.4
- 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 : 12-Lead DFN (3mm x 3mm w/ EP)
- Pins : 12
- MFG Package Case : 05-08-1725
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 121
- Working Temperature : -40 to 125C
- Other Part Number : LTC3822EDD-1#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 LTC3822-1 is a synchronous step-down switching regulator controller that drives external N-channel power MOSFETs using few external components. The constant frequency current mode architecture with MOSFET VDS sensing eliminates the need for sense resistors and improves efficiency.
Burst Mode operation provides high efficiency at light loads. The 99% maximum duty cycle provides low dropout operation, extending operating time in battery-powered systems.
The operating frequency can be programmed up to 750kHz, allowing the use of small surface mount inductors and capacitors. For noise sensitive applications, the LTC3822-1 can be synchronized to an external clock from 250kHz to 750kHz.
The LTC3822-1 is available in the tiny footprint thermally enhanced 12-pin DFN package or 16-pin narrow SSOP package.
| Features | |
| LTC3822 | Internal soft-start, 34µA in sleep mode |
| LTC3822-1 | External soft start, selectable pulse skip/Burst Mode operation, power good (SSOP-16 package only), 105µA in sleep mode |
Applications
- Single Cell Li-Ion Powered Systems
- 3.3VIN 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.
