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TPS54618EVM-606: 1.8V @ 6A, 3 ~ 6V in

Summary

The TPS54618 dc/dc converter is designed to provide up to a 6-A output from an input voltage source of 2.95 V to 6 V. This evaluation module is designed to demonstrate the small printed-circuit-board (PCB) areas that may be achieved when designing with the TPS54618 regulator. The switching frequency is externally set at a nominal 1000 kHz.

The high-side and low-side MOSFETs are incorporated inside the TPS54618 package along with the gate-drive circuitry. The low drain-to-source on-resistance of the MOSFETs allows the TPS54618 to achieve high efficiencies and helps keep the junction temperature low at high output currents. The compensation components are external to the integrated circuit (IC), and an external divider allows for an adjustable output voltage. Additionally, the TPS54618 provides adjustable slow start and undervoltage lockout inputs. The absolute maximum input voltage is 7 V for the TPS54618EVM-606.

Specifications

Manufacturer Texas Instruments
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number 296-28145-ND
Eval Board Supplier Texas Instruments
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 1.8 V
Current Out 6 A
Voltage In 3 ~ 6 V
Efficiency @ Conditions >94%, 3.3V in, 1.8V @ 0.5 ~ 2.0 A
>93%, 5V in, 1.8V @ 0.5 ~ 2 A
Voltage Out Range 0.8 ~ 2.5 V
Features Power Good Output
Shutdown, Enable, Standby
Soft Start
Synchronizable
Under Voltage Protection, Brown-Out
Switching Frequency 1 MHz
Standby Current [Typical] 5.5 µA
Quiescent Current [Typical] 515 µA
Component Count + Extras 21 + 15
Internal Switch Yes
Design Author Texas Instruments
Application / Target Market FPGA / DSP / Processors
Point of Load (PoL)
Telecom
Standby Current [Maximum] 15 µA
Quiescent Current [Maximum] 650 µA
Main I.C. Base Part TPS54618
Date Created By Author 2010-11
Date Added To Library 2012-12

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