Best New Arrival China Power Blocks - TPS54140ADGQR 3.5V to 42V Input – FlyBird Pricelist and Supplier

New Arrival China Power Blocks - TPS54140ADGQR 3.5V to 42V Input – FlyBird

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New Arrival China Power Blocks - TPS54140ADGQR 3.5V to 42V Input – FlyBird Detail:

Features for the TPS54140A

3.5-V to 42-V Input Voltage Range

200-mΩ High-Side MOSFET

High Efficiency at Light Loads with a Pulse

Skipping Eco-mode™

Tighter Enable Threshold than TPS54140 for

More Accurate UVLO Voltage

Adjustable UVLO Voltage and Hysteresis

116-µA Operating Quiescent Current

1.3-µA Shutdown Current

100-kHz to 2.5-MHz Switching Frequency

Synchronizes to External Clock

Adjustable Slow Start/Sequencing

UV and OV Power Good Output

0.8-V Internal Voltage Reference

MSOP10 and 3-mm × 3-mm VSON-10 Package

With PowerPAD™

Supported by WEBENCH^® and SwitcherPro™

Software Tool

Description for the TPS54140A

The TPS54140A device is a 42-V, 1.5-A, step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low ripple-pulse skip mode reduces the no-load, regulated output supply current to 116 µA. Using the enable pin, shutdown supply current is reduced to 1.3 µA.

Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power good signal indicates the output is within 94% to 107% of its nominal voltage.

A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.

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1. Who are the staff in your R & D department? What are your qualifications?

-R & D Director: formulate the company’s long-term R & D plan and grasp the direction of research and development; Guide and supervise r&d department to implement company r&d strategy and annual R&D plan; Control the progress of product development and adjust the plan; Set up excellent product research and development team, audit and training related technical personnel.

R & D Manager: make new product R & D plan and demonstrate the feasibility of the plan; Supervise and manage the progress and quality of r&d work; Research new product development and propose effective solutions according to customer requirements in different fields

R&d staff: collect and sort out key data; Computer programming; Conducting experiments, tests and analyses; Prepare materials and equipment for experiments, tests and analyses; Record measurement data, make calculations and prepare charts; Conduct statistical surveys

2. What is your product research and development idea?

- Product conception and selection product concept and evaluation product definition and project plan design and development product testing and validation launch to market

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