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TPS563201DDCT

TITPS563201DDCT

Texas Instruments
Buck Switching Regulator IC Positive Adjustable 0.768V 1 Output 3A SOT-23-6 Thin, TSOT-23-6
NRND26,222 in stock
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Overview

The TPS563201DDCT is a synchronous step-down buck regulator from Texas Instruments, designed to provide up to 3A of continuous output current from a 4.5V to 17V input range. It utilizes the proprietary D-CAP2 control mode to deliver fast transient response without the need for external compensation components. This regulator is housed in a compact 6-pin SOT-23 package, making it suitable for space-constrained power management designs.

Why Choose This Part

The integration of D-CAP2 control allows for a simplified design with low-ESR output capacitors and eliminates the complexity of external loop compensation. It features low shutdown current of 8uA and supports pulse-skip ECO mode to maintain high efficiency during light-load conditions. Safety is enhanced through cycle-by-cycle overcurrent limits, hiccup-mode protection, and thermal shutdown.

Applications

Digital TV and Set-Top Boxes
Provides efficient point-of-load regulation for core and I/O voltages in consumer media devices.
Distributed Power Systems
Acts as a secondary stage regulator converting 12V or 5V rails down to lower voltages for digital ICs.
Network Switches and Routers
Powers communication processors and memory with high efficiency and minimal board footprint.

Key Specifications

Function Step-Down
Topology Buck
Output Type Adjustable
Mounting Type Surface Mount
Package / Case SOT-23-6 Thin, TSOT-23-6
Current - Output 3A
Number of Outputs 1
Output Configuration Positive
Frequency - Switching 580kHz
Operating Temperature -40degC ~ 125degC (TJ)
Synchronous Rectifier Yes
Voltage - Input (Max) 17V
Voltage - Input (Min) 4.5V
Voltage - Output (Max) 7V
Supplier Device Package SOT-23-THIN
Voltage - Output (Min/Fixed) 0.768V

Getting Started

Engineers can use the WEBENCH Power Designer tool to simulate the circuit and calculate external resistor values for the adjustable 0.76V to 7V output. Ensure the input and output capacitors are placed as close as possible to the IC pins to minimize parasitic inductance. Evaluation can be performed using the TPS563201EVM evaluation module to verify thermal performance and transient response.

Categories

Power Management > Switching Regulators