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TPS56428DDAR +BOM

Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 4A 8-PowerSOIC (0.154", 3.90mm Width)

TPS56428DDAR General Description

Efficiency is further optimized with the TPS56428DDAR's internal FET, which boasts low RDS(on) to minimize power losses. This, in turn, improves overall efficiency and reduces operating costs. Furthermore, the regulator is equipped with overcurrent, overvoltage, and thermal protection features to protect both the IC and the connected system from potential damage, ensuring longevity and reliability

Key Features

  • D-CAP2™ Mode at 650kHz Switching for Fast
    Transient Response, Ceramic Capacitor Support
  • VIN Input Voltage Range: 4.5 V to 18 V
  • Output Voltage Range: 0.6 V to 7.0 V
  • Advanced Eco-mode for High Light Load
    Efficiency
  • Integrated FETs Optimized for Lower Duty Cycle
    – 68 mΩ (High Side) and 37 mΩ (Low Side)
  • Shutdown Current Less Than 10 µA
  • 1% Initial Reference Voltage Accuracy
  • Soft Start with Pre-Bias Output Support
  • Cycle By Cycle Over Current Limit
  • Power Good Output
  • Fixed Soft Start : 1.0ms

Specifications

Vin (min) (V) 4.5 Vin (max) (V) 18
Vout (min) (V) 0.6 Vout (max) (V) 5.5
Iout (max) (A) 4 Iq (typ) (mA) 0.25
Switching frequency (min) (kHz) 650 Switching frequency (max) (kHz) 650
Features Enable, Light Load Efficiency, Power good, Soft Start Fixed, Synchronous Rectification Operating temperature range (°C) -40 to 85
Rating Catalog Regulated outputs (#) 1
Control mode D-CAP2 Duty cycle (max) (%) 65
Type Converter

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