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Overview
| Topology | Buck Converter |
| Input voltage | 4.4-100 V |
| Switching frequency | 200-2000 kHz |
| Output 1 | 3.3 V / 1 A |
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
- Automotive and Military Systems
- Battery Chargers and CC/CV Supplies
- Telecommunication Systems
- Industrial, Avionics and Heavy Equipment
- Medical Instruments