XC9288B3CDPR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9288B3CDPR-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It operates with an input voltage range of 2.5 V to 5.5 V and provides a fixed output of 3.25 V at up to 1.5 A. The device features a 1.2 MHz switching frequency and ultra-low quiescent current of 15 uA. It utilizes PWM/PFM auto control for efficiency optimization. The component is housed in a compact SOT-89-5 package, suitable for surface mount applications across a temperature range of -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates HiSAT-COT technology for stable operation without external compensation components
• Features automatic switching between PWM and PFM modes to optimize efficiency under varying load conditions
• Includes built-in protection mechanisms such as over-current protection and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low standby current consumption
• Embedded circuits utilizing single-cell lithium-ion or lithium-polymer batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix CDPR against the official datasheet to confirm pinout and packaging details. Ensure compatibility with the target PCB footprint for the SOT-89-5 package. Cross-reference the fixed 3.25 V output requirement with system design specifications before procurement. Confirm RoHS compliance status through manufacturer documentation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.25 V output is required from a 2.5 V to 5.5 V input source. The 1.5 A output capability supports moderate load applications. Consider the SOT-89-5 package size constraints and the need for external inductor selection based on the 1.2 MHz frequency. Evaluate thermal performance requirements given the operating temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9288 series of synchronous step-down DC/DC converters. The series is characterized by high efficiency and small external component count due to integrated drivers and control logic. The XC9288B3 variant specifically denotes the fixed output voltage configuration within this family.

Voltage Regulators - DC DC Switching Regulators FAQ

What control mode does the XC9288B3CDPR-G use?

It employs PWM/PFM auto control, automatically switching between pulse-width modulation and pulse-frequency modulation based on load conditions.

Is the output voltage adjustable?

No, the XC9288B3CDPR-G provides a fixed output voltage of 3.25 V.