LTM4623EY#PBF

Key Features

Type: Step-Down (Buck) DC/DC µModule Regulator

Input Voltage Range: 4 V – 20 V

Output Voltage Range: 0.6 V – 5.5 V (programmable via resistor divider)

Output Current: Up to 3 A continuous

Switching Frequency: 1 MHz typical

Efficiency: Up to 94% (at 12 V input, 3.3 V output, 3 A load)

Control Mode: Current Mode with Fast Transient Response

Quiescent Current: 25 µA typical (shutdown)

Soft-Start / Tracking: Programmable

Protections:

Overvoltage Protection (OVP)

Overcurrent Protection (OCP)

Overtemperature Protection (OTP)

Synchronization: External clock synchronization up to 3 MHz

Remote Sense: Yes (for load regulation accuracy)

Package Type: 25-ball LGA / BGA µModule package

Package Dimensions: 6.25 mm × 6.25 mm × 1.82 mm (LGA), 2.42 mm (BGA)

Operating Temperature Range: –40 °C to +125 °C

RoHS / REACH: Compliant and Pb-Free

Performance Highlights

Fully integrated power module simplifies PCB layout and reduces design time

High efficiency and compact footprint (6.25 × 6.25 mm)

Supports low-voltage digital rails down to 0.6 V

Low output ripple and low EMI performance

Supports parallel operation for higher current output

Optimized thermal performance with low junction-to-ambient resistance

Applications

FPGA, DSP, and ASIC power supplies

Networking and telecom infrastructure

Industrial and medical equipment

Portable and embedded systems

Test and measurement instruments

High-density point-of-load (POL) regulators