LTC3255EDD#TRPBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC3255EDD#TRPBF is a micropower synchronous buck charge pump DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 4V to 48V and provides an adjustable output voltage from 2.4V to 12.5V. The device delivers a maximum output current of 50mA at a fixed switching frequency of 500kHz. It is housed in a compact 10-WFDFN (3x3) package with an exposed pad, designed for surface mount installation. The component supports a wide operating temperature range from -55°C to +150°C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification within a buck charge pump topology for efficient step-down conversion
• Wide input voltage capability supporting high-voltage sources up to 48V
• Adjustable output voltage regulation across a broad operational range
• Fault protection features integrated into the design

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable equipment requiring high input voltage tolerance
• Industrial control systems utilizing wide-range power supplies
• Automotive electronics operating under varying line conditions
• Telecommunications infrastructure power management modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm the EDD grade corresponds to the required industrial temperature specifications. Ensure the DFN-8 footprint matches the PCB layout constraints. Cross-reference the datasheet revision to validate electrical characteristics against current production standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-inductor solution is preferred over traditional multi-phase converters for moderate current loads. The 500kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the thermal performance of the exposed pad for heat dissipation in enclosed environments. Evaluate the input voltage range to ensure compatibility with the system's power source variations.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC3255 family of wide VIN range buck charge pumps. It shares architectural similarities with other micropower regulators but distinguishes itself through its specific 50mA output capability and robust fault protection mechanisms. The series targets applications needing efficient power conversion from higher voltage rails to lower logic or sensor voltages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include the LTC3255MPDD#PBF, LTC3255HDD#PBF, and LTC3255IDD#PBF. Verify that the replacement variant meets the specific temperature grade and packaging requirements of the original design.