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Overview
| Topology | Buck Converter |
| Switching frequency | 200-2000 kHz |
Description
It is an LT Journal, Synchronous, Low EMI LED DriverFeatures Integrated Switches andInternal PWM Dimming
Features
±2% LED Current Regulation±2% Output Voltage Regulation5000:1 PWM Dimming at 100Hz128:1 Internal PWM DimmingSpread-Spectrum Frequency ModulationSilent Switcher® Architecture for Low EMIOperates in Boost, Buck Mode and Buck-Boost Mode2.8V to 36V Input Voltage RangeUp to 34V LED String Voltage2A, 40V Internal Switches200kHz to 2MHz with SYNC FunctionAnalog or Duty Cycle LED Current ControlOpen/Short LED Protection and Fault IndicationThermally Enhanced 28-Pin (4mm × 5mm) QFN
Typical applications
- Machine Vision
- Automotive and Industrial Lighting
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | Size | Version | ISAT,10%(A) | ISAT,30%(A) | Mount | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR 2(A) | RDC max.(mΩ) | Type | L1(µH) | L2(µH) | IR(A) | ISAT(A) | RDC1 typ(Ω) | RDC2 typ(Ω) | RDC1 max(Ω) | RDC2 max(Ω) | fres(MHz) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-LHMI SMT Power Inductor, 4.7 µH, 2.95 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance4.7 µH | Performance Rated Current2.95 A | – | Size4020 | – | Saturation Current @ 10%2.45 A | Saturation Current @ 30%5.4 A | MountSMT | – | – | – | – | DC Resistance105 mΩ | – | – | – | – | – | – | – | – | – | Self Resonant Frequency31 MHz | –Check availability | |||
 | SPECWE-PD SMT Power Inductor, 10 µH, 3.55 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance10 µH | Performance Rated Current3.55 A | Saturation Current2.6 A | Size7345 | VersionStandard | Saturation Current @ 10%2.6 A | Saturation Current @ 30%3.2 A | MountSMT | – | – | – | – | DC Resistance49 mΩ | – | – | – | – | – | – | – | – | – | Self Resonant Frequency26 MHz | –Check availability | |||
 | SPECWE-DD SMT Shielded Coupled Inductor, 10 µH, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-DD SMT Shielded Coupled Inductor | Inductance10 µH | – | Saturation Current2.8 A | Size7345 | – | – | – | – | – | – | – | Rated Current 21.1 A | DC Resistance120 mΩ | TypeStraight | Inductance 110 µH | Inductance 210 µH | Rated Current1.1 A | Saturation Current2.8 A | DC Resistance 10.11 Ω | DC Resistance 20.11 Ω | DC Resistance 10.12 Ω | DC Resistance 20.12 Ω | Self Resonant Frequency27 MHz | –Check availability | |||
 | SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | Size0805 | VersionSMT | – | – | MountSMT | Impedance @ 100 MHz600 Ω | Maximum Impedance660 Ω | Maximum Impedance150 MHz | Rated Current 21.5 A | DC Resistance300 mΩ | TypeWide Band | – | – | Rated Current0.5 A | – | – | – | – | – | – | –Check availability | |||
| SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | Size0805 | VersionSMT | – | – | MountSMT | Impedance @ 100 MHz600 Ω | Maximum Impedance700 Ω | Maximum Impedance150 MHz | Rated Current 22 A | DC Resistance150 mΩ | TypeHigh Current | Inductance 152000000 µH | – | Rated Current1.5 A | – | – | – | – | – | – | –Check availability | |||
| SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CBF SMT EMI Suppression Ferrite Bead | – | – | – | Size0805 | VersionSMT | – | – | MountSMT | Impedance @ 100 MHz1500 Ω | Maximum Impedance1800 Ω | Maximum Impedance70 MHz | Rated Current 21 A | DC Resistance300 mΩ | TypeHigh Current | – | – | Rated Current0.7 A | – | – | – | – | – | – | –Check availability | |||
750316134 | SPECPower Transformer, –, – | Simulation– | Availability – | Downloads– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Power Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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