| Allicdata Part #: | LTC3835IUFD#PBF-ND |
| Manufacturer Part#: |
LTC3835IUFD#PBF |
| Price: | $ 6.03 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Linear Technology/Analog Devices |
| Short Description: | IC REG CTRLR BUCK 20QFN |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: |  LTC3835IUFD#PBF Datasheet/PDF |
| Quantity: | 328 |
| 1 +: | $ 5.48730 |
| 25 +: | $ 3.94556 |
| 100 +: | $ 3.35437 |
Specifications
| Frequency - Switching: | 250kHz ~ 530kHz |
| Base Part Number: | LTC3835 |
| Supplier Device Package: | 20-QFN (5x4) |
| Package / Case: | 20-WFQFN Exposed Pad |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Control Features: | Enable, Phase Control, Power Good, Soft Start, Tracking |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | Yes |
| Duty Cycle (Max): | 99.4% |
| Series: | -- |
| Voltage - Supply (Vcc/Vdd): | 4 V ~ 36 V |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Active |
| Packaging: | Tube |
Description
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LTC3835IUFD#PBF is a DC DC switching controllers developed by Analog Devices Inc. It is classified under PMIC - Voltage Regulators - DC DC Switching Controllers. This type of switching controllers helps to solve a wide range of industrial and consumer applications with ultra-high peak efficiency and precise, adjustable output voltage for intelligent power management. The core purpose of DC DC switching controllers such as the LTC3835IUFD#PBF is to efficiently power and convert varying input voltages into a steady output voltage. It features high accuracy voltage regulation and current limiting protection, making it suitable to power sensitive devices such as SoC, FPGA and ASICs. It also optimizes power efficiency while maintaining dynamic load step response, making it ideal for industrial and consumer applications such as automotive, communication and medical equipment.The LTC3835IUFD#PBF works in two modes: pulse-width-modulated (PWM) mode and pulse-frequency-modulated (PFM) mode. In PWM mode, it will pulses the power switch at a fixed average frequency with a fixed width, providing the output voltage with minimum ripple. This operation mode requires extra components such as a low pass filter with some need of an isolation transformer, depending on the type of circuit. In the PFM mode, the device will adjust the switch on time, depending on the output voltage level, in order to maintain a tight regulation. This mode has minimum output voltage ripple and allows the use of a low ESR output capacitor.The LTC3835IUFD#PBF also features over temperature protection and undervoltage lockout that allows the design of power system to be highly reliable and easy to implement. Advanced features such as soft-start and wake-up capability allow the design of power systems that can power up edge system quickly and reliably in the most reliable manner. Other features include an adjustable soft-start time, programmable duty cycle and a three-terminal low side power supply for enhanced power system design.The LTC3835IUFD#PBF has a power dissipation of 5W and it supports input voltage from 4.5 V to 27 V. It offers frequency of switching of 400 kHz to 600 kHz in PWM mode and from 5 kHz to 500 kHz in PFM mode. It also has a monitor output voltage of 0.8V to 4.0V for adjusting the output voltage accurately. It is available in 10-lead MSOP and PowerPAD packages for various industrial and consumer applications.In conclusion, the LTC3835IUFD#PBF offers a highly efficient and versatile solution to power management and conversion needs. It features high accuracy voltage regulation, over temperature protection and adjustable soft-start time among other features. With its advanced features, it is suitable for automotive, communication and medical equipment as well as other industrial and consumer applications that require reliable and efficient power management solutions.The specific data is subject to PDF, and the above content is for reference
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