LT3510EFE#TRPBF | Dual 2A Buck Converter | Adjustable Tracking DC/DC

Product Overview

     The LT3510EFE#TRPBF is a dual current-mode PWM step-down DC/DC converter with two internally integrated 2.5 A switches. Each regulator channel features independent input voltage, feedback, soft-start, and power-good functions, simplifying complex sequencing and tracking power supply requirements. The converters can be synchronized to a common external clock or operated at a fixed, resistor-programmable frequency from 250 kHz to 1.5 MHz. An antiphase relationship between channels reduces input ripple and minimizes external component size.

Key Features

• Dual 2A step-down converters with internal 2.5 A switches
• Independent input, feedback, soft-start, and power-good pins per channel
• Synchronizable to external clock or resistor programmable 250 kHz–1.5 MHz
• 180° phase interleaving to reduce input ripple
• Outputs can be paralleled for higher current
• Independent, sequential, ratiometric, or absolute tracking between outputs
• Low dropout with ~95% maximum duty cycle
• Low shutdown current (< 10 µA) and enhanced short-circuit protection
• Adjustable output voltage range: 0.8 V–23.75 V
• Low quiescent current (~3.5 mA) and compact 20-lead TSSOP with exposed pad

Applications

• High-efficiency power supplies for DSP, microcontrollers, and FPGAs
• Embedded and distributed power systems
• Telecom and networking power rails
• Industrial control and automation power modules
• Disk drives, DSL/cable modems, PCI cards
• Multiple output buck supply designs with tracking or sequencing

Electrical Characteristics