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The LTC3311JV-1 is a very small, low noise, single-chip step-down DC/DC converter capable of delivering up to 12.5A output current from a 2.25V to 5.5V input. The device features a Silent Switcher 1 architecture with internal thermal return bypass capacitors for low EMI and high efficiency at switching frequencies up to 5MHz. For systems with higher power requirements, it is easy to implement a multi-phase parallel converter.

The LTC3311JV-1 features a constant-frequency, peak-current-mode control architecture for fast transient response, a 500mV reference voltage source for low-voltage outputs, and 100% duty cycle operation for low dropout voltage.

Other features include a power good signal to indicate that the output is regulated, precision enable thresholds, output overvoltage protection, thermal shutdown, temperature monitor, clock synchronisation, mode selection and output short circuit protection. The device is available in a compact 18-pin 3mm × 3mm LQFN package.

Features

LTC3311S pin compatible

Silent Switcher® architecture:

Ultra-low EMI emissions

High efficiency - 4.5mΩ NMOS and 16mΩ PMOS

Wide bandwidth, fast transient response

Safe from overload inductive saturation

VIN range: 2.25V to 5.5V

VOUT range: 0.5V to VIN

VOUT accuracy: ±1% with remote detection

Peak current mode control

Minimum turn-on time: 35ns

Programmable frequency to 5MHz

Precision 400mV enable threshold with 1µA shutdown current

Output soft-start and voltage tracking

Power Normal Output

Die Temperature Monitor

Configurable as parallel power stage in forced continuous mode

Enhanced thermal performance 3mm × 3mm LQFN package

AEC-Q100 compliant for automotive applications

Applications

Automotive/Industrial/Communications

Server, telecom power supplies

Distributed DC power systems (POL)

FPGA, ASIC, μP kernel power supplies

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.