What should engineers review before using SCT1270FFQAR?

Set the ILIM resistor for sufficient peak current margin, select an inductor with saturation current above the programmed current limit, place input and output capacitors close to the IC power-ground path, and evaluate thermal performance. Do not rely on the internal current limit for an output hard short.

What is the pinout of SCT1270FFQAR?

Use the SCT1270FFQAR datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about SCT1270FFQAR pinout to locate pins, power rails, and interface signals before layout.

SCT1270FFQAR Datasheet, Specs, Alternatives & ECAD | SCT(芯洲科技)

AI summary

SCT1270FFQAR is a compact synchronous boost converter for raising a 2.7 V to 12 V supply to a regulated output up to 12.6 V.

Best for

Single-cell or two-cell lithium battery boost rails
Portable 5 V, 9 V, or 12 V power conversion
Applications requiring forced PWM operation at light load

Avoid if

The output can be hard-shorted without additional protection
Required output voltage exceeds 12.6 V
Input voltage can fall below 2.7 V during normal operation

Check before use

Peak inductor current at minimum input voltage
Inductor saturation current and DCR
Loop compensation and transient response
PCB thermal pad and high-current switching layout

Key specifications

Input voltage: 2.7 V to 12 V
Output voltage: 4.5 V to 12.6 V
Peak current limit: Up to 9.5 A programmable
Switching frequency: 200 kHz to 2.2 MHz
Package: QFN-11, 2 mm × 2.5 mm

Application

Portable battery powerBluetooth speakersPower banksPortable POS terminals

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

SCT1270FFQAR is an SCT1270F fully integrated synchronous boost converter in an 11-lead 2 mm × 2.5 mm QFN package. It accepts 2.7 V to 12 V input and regulates outputs from 4.5 V to 12.6 V.