TPS561201DDCT

Voltage Regulators - DC DC Switching Regulators Overview

The TPS561201DDCR is a synchronous step-down voltage regulator from Texas Instruments' SWIFT™ family. It operates with an input voltage range of 4.5V to 17V and provides a single adjustable output from 0.76V to 7V at up to 1A. The device integrates high-side and low-side MOSFETs, operating at a fixed switching frequency of 580kHz. It utilizes a compact SOT-23-6 (TSOT-23-6) package suitable for space-constrained designs. The regulator supports operation over a junction temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel MOSFETs for efficient synchronous rectification
• Utilizes SWIFT topology to minimize external component count and board area
• Features fixed-frequency current mode control for stable loop performance
• Includes comprehensive protection mechanisms against thermal overload and short circuits

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring compact power solutions
• Industrial equipment with 5V or 12V bus architectures
• Infotainment systems in automotive environments
• Base station infrastructure power distribution

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation, as standard listings typically reference the DDCR variant. Confirm that the requested part matches the required pinout and thermal characteristics for your PCB layout. Ensure compliance with RoHS3 standards if applicable to your manufacturing process. Cross-reference the manufacturer's latest datasheet revision to confirm any updates to electrical specifications or recommended operating conditions prior to finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small form factor is critical due to its six-pin SOT-23 packaging. It is appropriate for applications requiring a wide input voltage range up to 17V and moderate output currents near 1A. Consider the fixed 580kHz switching frequency when designing filter components. Evaluate the thermal performance requirements relative to the exposed pad design to ensure adequate heat dissipation within the specified temperature limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS5612x series of SWIFT converters, designed to simplify DC/DC design by integrating power switches and control logic. It shares architectural similarities with other members like the TPS56121 but offers distinct input voltage ranges and current capabilities. The series targets applications demanding high efficiency and minimal footprint in portable and industrial sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the TPS56121 for similar functionality with adjusted input ranges. For higher current needs, consider the TPS562200 or TPS565201 families. Verify pin compatibility and thermal resistance values when transitioning between these variants to ensure seamless integration without redesigning the printed circuit board.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum output voltage supported by this regulator?

The minimum adjustable output voltage is 0.76V.

Does the device support synchronous rectification?

Yes, it integrates both high-side and low-side N-channel MOSFETs for synchronous operation.

What is the maximum input voltage allowed?

The maximum input voltage rating is 17V.