SCT1270FQAR

Voltage Regulators - DC DC Switching Regulators Overview

The SCT1270FQAR is a high-efficiency synchronous boost converter featuring fully integrated 17mΩ high-side and 14mΩ low-side MOSFETs. It supports an input voltage range of 2.7V to 12V, accommodating single or dual lithium-ion/polymer batteries, with a maximum output voltage of 12.6V. The device delivers a continuous switch current of 7A and a peak current capability of 9.5A, adjustable via external resistors. Operating under constant turn-off time peak current control, it ensures rapid transient response. The switching frequency is programmable from 200kHz to 2.2MHz. Protection features include output overvoltage protection, thermal shutdown at 160°C, and cycle-by-cycle overcurrent protection.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Fully integrated high-side and low-side power MOSFETs for compact design
• Programmable switching frequency ranging from 200kHz to 2.2MHz
• Adjustable peak switch current limit up to 9.5A via external resistor
• Constant turn-off time peak current control for fast transient response

Voltage Regulators - DC DC Switching Regulators Applications

• Bluetooth speakers
• Point-of-sale (POS) machines
• Fast charging power banks
• Electronic cigarettes
• Outdoor flashlights

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix FQAR against the manufacturer's official datasheet to confirm package type and temperature grade. Ensure compatibility with required input voltage ranges and load conditions. Confirm that external component values for frequency setting and current limiting align with design specifications. Check for updated revision levels to ensure feature consistency.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing boost converters requiring wide input voltage support for single or dual-cell battery systems. It is suitable for applications demanding high efficiency and compact footprint due to integrated MOSFETs. Consider the programmable frequency and current limits for optimizing performance across varying load conditions. Ensure thermal management strategies account for the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

The SCT1270 belongs to a family of synchronous boost converters designed for portable electronics. It utilizes peak current mode control to manage power delivery efficiently. The integration of power switches reduces external component count, simplifying layout and improving reliability in space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical parameters before considering any alternative components.