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Product Descriptions

TPS54283TPS54286andaredualoutputcapableofnon-synchronousbuck converterssupporting 2-A output applications that operate from a4.5-V to 28-V input supply voltage, and require outputvoltages between 0.8 V and 90% of the input voltage.

With internally-determined operating frequency, softstart time,and control loop compensation, theseconverters provide many features with a minimum ofChannel1overcurrentexternalcomponents.protection is set at 3 A, while Channel 2 overcurrentprotection level is selected by connecting a pin toground, to BP, or left floating. The setting levels areused to allow for scaling of external components forapplications not needing the full load capability ofboth outputs.

The outputs may be enabled independently, or maybe configured to allow either ratiometric or sequentialstartup sequencing. Additionally, the two outputs mayalso be powered from different sources

Product Features

• 4.5-V to 28-V Input Range

• Output Voltage Range 0.8 V to 90% of lnput Voltage

• Output Current Up to 2 A

• Two Fixed Switching Frequency Versions:

• - TPS54283: 300 kHz

• - TPS54286: 600 kHz

• Two Selectable Levels of Overcurrent Protection (Output 2)

• 0.8-V 1.5% Voltage Reference

• 2.1-ms Internal Soft Start

• Dual PWM Outputs 180° Out-of-Phase

• Ratiometric or Sequential Startup Modes Selectable by a Single Pin

• 100-m ohm Internal High-Side MOSFETs

• Current Mode Control

• Internal Compensation (See Page 16)

• Pulse-by-Pulse Overcurrent Protection

• Thermal Shutdown Protection at 148°C

• 14-Pin PowerPADTM HTSSOP package

Product Applications

• Set Top Box

• Digital TV

• Power for DSP

• Consumer Electronics

Specifications

Actual product photos

Product Data Book：

For more product information, please download the PDF

Payment&Transportation

Official Certificate&Certificate

Multiple product supply

Company office environment

Warehouse Real Shot

Standard packaging

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