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Overview
| Topology | Buck Converter |
| Input voltage | 12-100 V |
| Switching frequency | 200-2000 kHz |
| Output 1 | 5 V / 2.3 A |
Description
TheLTC®7103is a highefficiency, monolithic synchronousstep-downDC/DCconverterutilizing a constantfrequency,average currentmode control architecture. Itoperates froman input voltage range of 4.4V to 105V and provides anadjustable regulated output voltage from 1V to VIN whiledelivering up to 2.3A of output current.
Features
n Wide VIN Range: 4.4V to 105V (110V Abs Max)n Ultralow EMI/EMC Emissions: CISPR 25 Compliantn 2µA IQ When Regulating 48VIN to 3.3VOUTn Fast and Accurate Output Current Programming andMonitoring with No External RSENSEn Brick Wall Current Limitn Low Minimum On-Time: 40nsn Wide VOUT Range: 1V to VINn 100% Maximum Duty Cycle Operation
Typical applications
- Industrial, Avionics and Heavy Equipment
- Automotive and Military Systems
- Battery Chargers and CC/CV Supplies
- Medical Instruments and Telecommunication Systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT,10%(A) | ISAT,30%(A) | IR,40K(A) | IRP,40K(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 47 µH, 4.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance47 µH | Saturation Current @ 10%4.5 A | Saturation Current @ 30%5.5 A | Rated Current3.8 A | Performance Rated Current4.9 A | DC Resistance60 mΩ | Self Resonant Frequency6.5 MHz | Size1210 | VersionStandard |