AP62500SJ-7

Overview

The AP62500SJ-7 is a high-voltage synchronous buck DC-DC converter manufactured by Diodes Incorporated. It operates with an input voltage range of 4.5 V to 18 V and delivers a maximum output current of 5 A. The device features an adjustable output voltage from 600 mV to 7 V and integrates a fixed switching frequency of 1.2 MHz. Key electrical specifications include a quiescent current of 195 uA and a shutdown supply current of 1 uA. It supports operation across a temperature range of -40°C to +125°C and is housed in a QFN-12 package.

Feature Summary

• Integrates a high-side N-channel MOSFET for efficient synchronous rectification within a compact footprint.
• Includes internal soft-start circuitry to limit inrush current during power-up sequences.
• Provides comprehensive protection mechanisms including over-current, over-temperature, and undervoltage lockout.

Applications

• Point-of-load regulation for industrial control systems
• Power distribution networks in automotive electronics
• Voltage conversion for embedded computing modules

Procurement Notes

Verify the specific suffix 'SJ-7' against the manufacturer's latest datasheet to confirm pinout compatibility and tape-and-reel specifications. Ensure that the ordering documentation explicitly references the QFN-12 package variant. Cross-reference RoHS compliance status with current regulatory requirements before finalizing procurement orders.

Selection Notes

Select this component when a 5 A output capability is required from an input source up to 18 V. The 1.2 MHz switching frequency allows for smaller external inductors compared to lower-frequency alternatives. Consider the thermal performance of the QFN-12 package relative to the expected ambient temperature and load conditions.

Part Context

This part belongs to the AP62500 series of high-voltage step-down converters. It shares functional similarities with other members like the AP62600 but differs in output current ratings and package configurations. The series targets applications requiring robust power management in space-constrained environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative devices by comparing pin assignments, electrical parameters, and thermal characteristics directly with the manufacturer's cross-reference tools.

FAQ

What is the minimum operating input voltage for the AP62500SJ-7?

The minimum operating input voltage is 4.5 V.

Does the AP62500SJ-7 support adjustable output voltages?

Yes, the output voltage is adjustable from 600 mV to 7 V.