| Allicdata Part #: | LTC3870EUFD#PBF-ND |
| Manufacturer Part#: |
LTC3870EUFD#PBF |
| Price: | $ 3.56 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG CTRLR BUCK 28QFN |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: | LTC3870EUFD#PBF Datasheet/PDF |
| Quantity: | 22 |
| 1 +: | $ 3.23190 |
| 25 +: | $ 2.15914 |
| 100 +: | $ 1.83141 |
| Frequency - Switching: | 500kHz |
| Base Part Number: | LTC3870 |
| Supplier Device Package: | 28-QFN (4x5) |
| Package / Case: | 28-WFQFN Exposed Pad |
| Operating Temperature: | -40°C ~ 125°C (TJ) |
| Control Features: | Current Limit, Enable, Frequency Control, Phase Control |
| Serial Interfaces: | -- |
| Clock Sync: | Yes |
| Synchronous Rectifier: | Yes |
| Duty Cycle (Max): | -- |
| Series: | PolyPhase® |
| Voltage - Supply (Vcc/Vdd): | 4.5 V ~ 60 V |
| Output Phases: | 2 |
| Number of Outputs: | 2 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tube |
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LTC3870EUFD#PBF application field and working principle
The LTC3870EUFD#PBF is a high-performance, high-frequency synchronous buck switching regulator controller. With a peak-current mode architecture, LTC3870EUFD#PBF provides excellent transient response. It is capable of operating in the PFM (pulse-frequency modulation) mode at light loads to reduce noise and save power. Employing a current-limited, high-frequency control architecture, the LTC3870EUFD#PBF provides many system level advantages such as fast transient response, low noise and fast load steps.The LTC3870EUFD#PBF is designed to provide superior performance in demanding applications including medical, power supplies, industrial, automotive, avionics and telecom systems. When combined with external components, it can provide a complete power solution with low noise and fast transient response in a small, efficient package.The LTC3870EUFD#PBF can be used in both step-down and step-up design configurations. It supports wide input voltage ranges from 3.3V to 80V and synchronous rectification from a wide range of switching frequencies from 0. 5MHz to 7MHz. It also supports both high-voltage current monitoring and voltage monitoring for easy control.The LTC3870EUFD#PBF is based on a topology that offers a degree of flexibility and excellent dynamic response. It has accreditation from the major standards institutions and operates from -40°C to +85°C user environment.The LTC3870EUFD#PBF uses a digital control algorithm to continually monitor the voltage and current through the power conversion circuit. The LTC3870EUFD#PBF is designed to track the current and voltage feedback signals to ensure the output is set with a stable and precise output voltage. The controller also adjusts the output voltage based on the input voltage to ensure a stable output voltage over a wide input voltage range.The LTC3870EUFD#PBF uses a PWM switching topology and provides an open loop gain of up to 1V/A. This enables excellent transient performance regardless of the load or input voltage which makes it ideal for a range of systems including LED lighting, portable consumer electronics, and battery chargers.The LTC3870EUFD#PBF also provides over temperature protection, undervoltage lockout, power-up sequencing, a voltage mode pre-charge circuit and a low-side MOSFET current-sense circuit. This ensures efficient and reliable power conversion.The LTC3870EUFD#PBF is an ideal solution for powering a wide range of different applications and systems. Its wide input voltage range, accuracy, flexibility and fast dynamic response make it the ideal choice for a variety of different applications. Whether you need to power a medical device, LED lighting system, or any other system where efficiency and reliability are a must, the LTC3870EUFD#PBF will be the perfect choice.
The specific data is subject to PDF, and the above content is for reference
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LTC3870EUFD#PBF Datasheet/PDF