Datasheet for LT7101:
- Manufacturer Part Number : LT7101
- Manufacturer : AD
- Description : 105V, 1A Low EMI Synchronous Step-Down Regulator with Fast Current Programming
- Series : LT7101
- Reference Price : USD 3.16
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LT7101
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 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
The LT7101 is a high efficiency, monolithic synchronous step-down DC/DC converter utilizing a constant frequency, average current mode control architecture. It operates from an input voltage range of 4.4V to 105V and provides an adjustable regulated output voltage from 1V to VIN while delivering up to 1A of output current.
The LT7101 features high frequency operation and a low minimum on-time that reduce inductor size and enable constant-frequency operation even at very high stepdown ratios. In addition, the LT7101 achieves the lowest possible dropout voltage with 100% maximum duty cycle operation. During light load operation, converter efficiency and output ripple can be optimized by selecting Burst Mode, pulse-skipping or forced continuous operation.
The LT7101 includes accurate, high speed average current programming and monitoring without the need for an external sense resistor. Additional features include a bypass LDO to maximize efficiency, fixed or adjustable output voltage and loop compensation, and a wide array of protection features to enhance reliability.
Applications
- Battery Chargers and CC/CV Supplies
- Automotive and Military Systems
- Industrial, Avionics and Heavy Equipment
- Medical Instruments and Telecommunication Systems
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
