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TI TPS54202DDCT product image
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TI TPS54202DDCTRoHS

Manufacturer
TI
MPN
TPS54202DDCT
LCSC Part #
C2070672
Packaging
TSOT-23-6
Customer #
Key Attributes
4.5V to 28V Input, 2A Output, EMI-Friendly Synchronous Buck Converter
Datasheetpdf iconTI TPS54202DDCT
In-Stock: 360
360 In stock, ships now
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QtyUnit PriceTotal Amount
5+$ 0.2959$ 1.48
50+$ 0.2331$ 11.66
250+$ 0.2061$ 51.53
500+$ 0.1725$ 86.25
2,500+$ 0.1575$ 393.75
5,000+$ 0.1485$ 742.50
Standard Packaging250/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingTSOT-23-6
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching500kHz
FunctionStep-down type
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Hiccup current limiting;EMI optimization (spread spectrum);Light load efficient mode;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage4.5V~28V
Switch tube (built-in/external)Built-in
Output Current2A
Output Voltage596mV~28V
Quiescent Current45uA
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

The TPS54202 is a 2A synchronous buck converter with an input voltage range of 4.5V to 28V. The device integrates two switching FETs and features internal loop compensation and a 5ms internal soft-start to reduce component count. By integrating MOSFETs in a SOT-23 package, the TPS54202 achieves high power density with a minimal PCB footprint. Advanced Eco-mode maximizes light-load efficiency and reduces power dissipation. Spread-spectrum operation is incorporated to improve EMI performance. Cycle-by-cycle current limiting on the high-side MOSFET protects the converter under overload conditions, enhanced by low-side MOSFET freewheeling current limiting to prevent current runaway. When the overcurrent duration exceeds a preset threshold, hiccup-mode protection is triggered.

Features

AI Translation
  • Wide input voltage range: 4.5V to 28V
  • Integrated 148mΩ and 78mΩ MOSFETs, 2A continuous output current
  • Shutdown current as low as 2μA, quiescent current 45μA
  • Internal 5ms soft-start
  • 500kHz fixed switching frequency
  • Spread spectrum for reduced EMI
  • Advanced Eco-mode™ pulse skipping
  • Peak current mode control
  • Internal loop compensation
  • Overcurrent protection for both MOSFETs via discontinuous mode protection
  • Overvoltage protection
  • Thermal shutdown
  • SOT-23 (6) package

Applications

AI Translation
  • 12V, 24V distributed bus power supplies
  • Industrial applications
    • White goods
  • Consumer applications
    • Audio
    • Set-Top Box (STB)
    • Digital TV (DTV)
    • Printers