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LTC3869EUFD#TRPBF
+BOMIC REG CTRLR BUCK 28QFN
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LTC3869EUFD#TRPBF
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Bảng dữ liệu LTC3869EUFD#TRPBF DataSheet
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Gói QFN-28
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Có sẵn6777
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 2 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 38V |
| Frequency-Switching | 250kHz ~ 780kHz |
| DutyCycle(Max) | 95% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-WFQFN Exposed Pad |
Tổng quan
Description
Key features of the LTC3869EUFD#TRPBF include its ability to operate with a wide input voltage range, programmable output voltages, and current-mode control that ensures fast transient response and easy loop stabilization. It also supports a programmable switching frequency, which can be synchronized with an external clock, allowing for minimized interference in sensitive systems.
The device incorporates protection features such as overvoltage, overcurrent, and thermal shutdown, enhancing its reliability in demanding environments. Packaged in a compact QFN package, it is suitable for space-constrained designs. Overall, the LTC3869EUFD#TRPBF offers flexibility and robustness for modern power supply applications.
Equivalent
1. Texas Instruments TPS40193: A dual synchronous buck controller.
2. Maxim Integrated MAX15024/MAX15025: Dual-output, synchronous step-down controllers.
3. ON Semiconductor NCP81253: Dual output multiphase controller.
While these products have similar functionalities, always compare specific features and specifications to ensure compatibility with your application.
Features
1. Dual Outputs: It can regulate two independent outputs, making it suitable for multi-output power supply applications.
2. Wide Input Voltage Range: Operates efficiently over a broad range of input voltages, enhancing flexibility for various power sources.
3. High Efficiency: Incorporates synchronous rectification to achieve high efficiency, reducing power loss.
4. Current Mode Control: Provides fast transient response and easy loop compensation.
5. Selectable Switching Frequency: Offers a programmable frequency from 250kHz to 780kHz, with a synchronization capability to an external clock.
6. Integrated MOSFET Drivers: Reduces the need for external components, simplifying the design.
7. Power Good Output: Monitors and indicates the status of each output.
8. Adjustable Soft-Start: Allows for controlled ramp-up of output voltages, minimizing inrush current.
9. Fault Protection: Includes overvoltage, overcurrent, and thermal shutdown features for robust operation.
These features make the LTC3869EUFD#TRPBF suitable for a wide range of applications in computing, telecommunications, and industrial sectors.