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TS3553 - 3A / 350kHz Synchronous Buck DC/DC Converter

Description

The TS3553 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3A continuous load current capability.

Fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection and thermal shutdown.

Features

  • Operating Voltage Range 4.75V~23V Output load current up to 3A High Efficiency: Up to 95% Fixed Switching Frequency 350kHz 100mΩ Internal Power MOSFET Adjustable Output Voltage from 0.925~20V Stable with Low ESR Output Ceramic Capacitors Current Mode Operation Input Under Voltage Lockout Over Temperature Protection Cycle-by Cycle Current limit.

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Datasheet preview – TS3553

Datasheet Details

Part number TS3553
Manufacturer Taiwan Semiconductor
File Size 441.17 KB
Description 3A / 350kHz Synchronous Buck DC/DC Converter
Datasheet download datasheet TS3553 Datasheet
Additional preview pages of the TS3553 datasheet.

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Full PDF Text Transcription

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TS3553 3A/350kHz Synchronous Buck DC/DC Converter SOP-8EP Pin Definition: 1. BS 8. SS 2. VIN 7. EN 3. SW 6. COMP 4. GND 5. FB General Description The TS3553 is a synchronous step-down DC/DC converter that provides wide 4.5V to 23V input voltage range and 3A continuous load current capability. Fault protection includes cycle-by-cycle current limit, input UVLO, output over voltage protection and thermal shutdown. Besides, adjustable soft-start function prevents inrush current at turn-on. This device uses current mode control scheme that provides fast transient response. In shutdown mode, the regulator draws 1µA or less of supply current. Features ● ● ● ● ● ● ● ● ● ● ● ● Operating Voltage Range 4.
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