LTC3256EMSE#PBF

Overview

The DC2375A is an evaluation board for the LTC3256EMSE, a dual-output step-down charge pump with post-regulator LDO and watchdog timer. It operates from a 5.5V to 38V input range. The board provides two non-isolated outputs: VOUT1 at 5V delivering up to 100mA, and VOUT2 at 3.3V delivering up to 250mA. Total output current capability is 350mA. Designed for automotive applications, it supports ISO 26262 diagnostic coverage requirements.

Feature Summary

• Dual-output topology combining a step-down charge pump with a post-regulator LDO
• Integrated watchdog timer functionality for system monitoring
• Engineered specifically for high diagnostic coverage in ISO 26262 automotive systems
• Populated with automotive-grade components for robust evaluation

Applications

• Automotive electronic systems requiring wide input voltage tolerance
• Evaluation of power management solutions for ISO 26262 compliance
• Development of battery-powered circuits needing isolated or non-isolated dual rails
• Testing charge pump efficiency compared to linear regulators in 12V battery architectures

Procurement Notes

Verify that the specific part number matches the required automotive grade specifications. Confirm that the evaluation board includes all necessary passive components as documented in the official datasheet. Ensure compatibility with the target input voltage range before integration into design prototypes.

Selection Notes

Select this evaluation kit when assessing the LTC3256's performance in automotive environments. It is suitable for engineers validating power supply designs that require both charge pump and LDO regulation. Consider its wide input range if designing for fluctuating battery voltages.

Part Context

This evaluation board utilizes the LTC3256EMSE#PBF, a PMIC from Analog Devices. It belongs to the family of power management ICs designed for automotive applications. The board serves as a reference design to demonstrate the IC's capabilities in converting higher input voltages to stable lower output voltages efficiently.

Replacement Considerations

Direct substitutes include other LTC3256 variants such as LTC3256HMSE#PBF or LTC3256IMSE#PBF, which offer different temperature grades or performance characteristics while maintaining the same functional interface.