| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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12 pcs
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12 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Clock Sync | |
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| Duty Cycle (Max) | |
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| Synchronous Rectifier | |
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| Voltage |
The LTC1775CS#PBF from Analog Devices is a high-efficiency, current mode synchronous step-down switching regulator controller. It is designed to drive external N-channel power MOSFETs, eliminating the need for a sense resistor and improving overall efficiency. This controller supports a wide input voltage range from 4V to 36V and offers an output voltage adjustable from 1.19V up to the input voltage.
Key features include a 1.19V reference with 1% accuracy, a programmable fixed frequency up to 150kHz with synchronization capability, and very low dropout operation at 99% duty cycle. It also incorporates foldback current limiting and output overvoltage protection for fault tolerance. The device is available in a 16-SOIC package, suitable for surface mount applications.
This controller is well-suited for applications requiring high current and high efficiency, such as notebook computers, automotive electronics, and distributed power systems. Its current mode control with MOSFET VDS sensing simplifies design and enhances performance in demanding power management scenarios.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.78 | $0.78 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
4V to 36V.
1.19V to VIN.
150kHz.
99%.
16-SOIC (0.154", 3.90mm Width).
0°C to 70°C.
Less than 30mA.