Analog Devices LT7101

Description

The LT®7101 is a high efficiency, monolithic synchronousstep-down DC/DC converter utilizing a constantfrequency, average current mode control architecture. Itoperates from an input voltage range of 4.4V to 105V andprovides an adjustable regulated output voltage fro

Features

• Wide VIN Range: 4.4V to 105V (110V Abs Max)
• Ultralow EMI/EMC Emissions: CISPR 25 Compliant
• 2μA IQ When Regulating 48VIN to 3.3VOUT
• Fast and Accurate Output Current Programming and Monitoring with No External RSENSE
• Brick Wall Current Limit
• Low Minimum On-Time: 35ns
• Wide VOUT Range: 1V to VIN
• 100% Maximum Duty Cycle Operation
• Programmable Fixed Frequency: 200kHz to 2MHz
• Eight, Pin-Selectable Fixed (1.2V to 15V) or Adjustable Output Voltages
• Selectable Continuous, Pulse-Skipping, or Low Ripple Burst Mode® Operation at Light Loads
• PLL Synchronization to External Clock
• EXTVCC LDO Powers Chip from VOUT = 3.3V to 40V
• OPTI-LOOP® or Fixed Internal Compensation
• Input and Output Overvoltage Protection
• Thermally Enhanced (5mm × 6mm) QFN Package

Typical applications

• Telecommunication Systems
• Industrial, Avionics and Heavy Equipment
• Medical Instruments
• Automotive and Military Systems
• Battery Chargers and CC/CV Supplies

More information

• Datasheet
• IC product information