Datasheet for LTC3850IGN-2#TRPBF:
- Manufacturer Part Number : LTC3850IGN-2#TRPBF
- Manufacturer : AD
- Description : Dual, 2-Phase Synchronous Step-Down Switching Controller IC
- Series : LTC3850-2
- Reference Price : USD 2.088
- 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 : 28-Lead SSOP (Narrow 0.15 Inch)
- Pins : 28
- MFG Package Case : 05-08-1641 (GN28)
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 125C
- Other Part Number : LTC3850IGN-2#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 LTC3850-2 is a high performance dual synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages. A constant-frequency current mode architecture allows a phase-lockable frequency of up to 780kHz. Power loss and supply noise are minimized by operating the two controller output stages out of phase.
OPTI-LOOP® compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC3850-2 features a precision 0.8V reference and a power good output indicator. A wide 4V to 30V input supply range encompasses most battery chemistries and intermediate bus voltages.
Independent TK/SS pins for each controller ramp the output voltages during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions. The MODE/PLLIN pin selects among Burst Mode® operation, pulse-skipping mode, or continuous inductor current mode and allows the IC to be synchronized to an external clock.
The LTC3850-2 is identical to the LTC3850-1, except they have different pin assignments.
| Features | |
| LTC3850 | SSOP-28 and QFN-28 Packages |
| LTC3850-1 | ILIM function replaced with an EXTVCC function, SSOP-28 package only |
| LTC3850-2 | The LTC3850-2 is identical to the LTC3850-1 SSOP-28, except they have different pin-outs |
Applications
- Notebook and Palmtop Computers
- Portable Instruments
- Battery-Operated Digital Devices
- DC Power Distribution 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.
