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LTC3869EUFD#TRPBF
IC REG CTRLR BUCK 28QFN
- Manufacturer
- Mfr. Part #LTC3869EUFD#TRPBF
- Package QFN-28
- Datasheet LTC3869EUFD#TRPBF DataSheet
- In Stock2942
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Specifications
| 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 |
Overview
Description
Key features of the LTC3869EUFD#TRPBF include:
1. Dual-Phase Operation: Improves efficiency and reduces component size by interleaving two phases.
2. Wide Input Voltage Range: Typically supports a broad input range, making it versatile for different power sources.
3. High Efficiency: Synchronous rectification enhances efficiency, reducing thermal management requirements.
4. Current Sharing: Ensures balanced current distribution between phases and improves reliability.
5. Adjustable Frequency: Allows customization of the switching frequency to optimize performance.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout to enhance safety and reliability.
The LTC3869EUFD#TRPBF is typically used in applications requiring efficient power management and robust performance under varying load conditions.
Features
1. Dual Output: It supports two independent output voltages, offering flexibility for multi-rail systems.
2. High Efficiency: Synchronous rectification ensures high efficiency, suitable for power-sensitive applications.
3. Wide Input Voltage Range: It operates over a broad input voltage range, making it versatile for different power sources.
4. Current Mode Control: This feature provides excellent transient response and simplifies loop compensation.
5. Adjustable Switching Frequency: The controller allows the switching frequency to be set between 250kHz and 780kHz, enabling optimization for efficiency or size.
6. Phase-Lock Loop (PLL) Synchronization: It can synchronize with an external clock, beneficial for systems requiring precise control over switching times.
7. Soft-Start Functionality: The adjustable soft-start reduces inrush current during startup.
8. Output Overvoltage Protection: It safeguards the load against excessive voltage levels.
9. Thermal Shutdown: Protects against overheating by shutting down the controller when a certain temperature threshold is exceeded.
These features make the LTC3869EUFD#TRPBF suitable for applications in telecommunications, computers, and industrial equipment where efficient power conversion is critical.
Package
Pinout
The LTC3869EUFD#TRPBF is packaged in a 28-lead (pin) 4mm × 5mm plastic QFN package. It features a wide input voltage range, output voltage tracking, and a constant frequency current-mode architecture that provides excellent line and load transient response.
Key functions of the LTC3869 include:
- Dual output synchronous step-down controller.
- Wide input voltage range compatibility.
- Output voltage tracking capability.
- Current mode control for fast transient response.
- Frequency synchronization with an external clock.
- Programmable soft-start and output over-voltage protection.
These features make it suitable for a broad range of applications in telecommunications, data processing, industrial, and other electronics requiring efficient power management solutions.
Manufacturer
Application
Equivalent
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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