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4.5 V to 18 V input, 2 A synchronous step-down converter in HTSSOP package

TPS54225PWPR General Description

The TPS54225PWPR is a sophisticated synchronous step-down DC/DC converter that offers a high level of performance and efficiency. With its integrated high-side and low-side MOSFETs, this converter can deliver continuous output currents of up to 2.5A, making it suitable for a wide range of applications. Its broad input voltage range of 4.5V to 28V provides flexibility and versatility, while its high switching frequency of up to 1.5MHz allows for compact designs and increased power density

Key Features

  • D-CAP2™ Mode Enables Fast Transient Response
  • Low Output Ripple and Allows Ceramic Output Capacitor
  • Wide VCC Input Voltage Range: 4.5 V to 18 V
  • Wide VIN Input Voltage Range: 2 V to 18 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Highly Efficient Integrated FET’s Optimized
    for Lower Duty Cycle Applications
    – 160 mΩ (High Side) and 110 mΩ (Low Side)
  • High Efficiency, less than 10 µA at shutdown
  • High Initial Bandgap Reference Accuracy
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • 700-kHz Switching Frequency (fSW)
  • Cycle-By-Cycle Overcurrent Limit
  • Power Good Output
    • Wide Range of Applications for Low Voltage System
      • Digital TV Power Supply
      • High Definition Blu-ray Disc™ Players
      • Networking Home Terminal
      • Digital Set Top Box (STB)

D-CAP2, PowerPAD are trademarks of Texas Instruments. Blu-ray Disc is a trademark of Blu-ray Disc Association.


Vin (min) (V) 4.5 Vin (max) (V) 18
Vout (min) (V) 0.76 Vout (max) (V) 5.5
Iout (max) (A) 2 Iq (typ) (mA) 0.8
Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700
Features Enable, Power good, Soft Start Adjustable, Synchronous Rectification Operating temperature range (°C) -40 to 85
Rating Catalog Regulated outputs (#) 1
Control mode D-CAP2 Duty cycle (max) (%) 90
Type Converter

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In Stock: 6,370

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $0.949 $0.95
10+ $0.782 $7.82
30+ $0.700 $21.00
100+ $0.616 $61.60
500+ $0.522 $261.00
1000+ $0.495 $495.00

The prices below are for reference only.