LT3478IFE#PBF Step-Down (Buck) LED Drivers by Analog Devices
| Status: | Production |
|---|---|
| Series: | LT3478 |
| RoHS: | Compliant |
Features
| True Color PWM™ Dimming Delivers Constant LED Color with Up to 3000:1 Range |
| Wide Input Voltage Range: 2.8V to 36V |
| 4.5A, 60mΩ, 42V Internal Switch |
| Drives LEDs in Boost, Buck-Boost or Buck Modes |
| Integrated Resistors for Inductor and LED Current Sensing |
| Program LED Current: |
| 100mA to 1050mA (LT3478-1) |
| (10mV to 105mV)/RSENSE (LT3478) |
| Program LED Current De-Rating vs Temperature |
| Separate Inductor Supply Input |
| Inrush Current Protection |
| Programmable Soft-Start |
| Fixed Frequency Operation from 200kHz to 2.25MHz |
| Open LED Protection (Programmable OVP) |
| Accurate Shutdown/UVLO Threshold with Programmable Hysteresis |
| 16-Pin Thermally Enhanced TSSOP Package |
Alternative Descriptions
| Led Driver, Buck/Boost, -40 To 125Deg C | Newark Electronics |
| LED DRIVER, BUCK/BOOST, -40 TO 125DEG C | element14 |
| 4.5A Mono LED Drvrs w/ True Co | Analog Devices |
| LED DRIVER IC | Richardson RFPD |
LT3478IFE#PBF Semiconductors - ICs by Linear Technology
LED DRIVER 42V 2.25MHZ 16TSSOP
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Device Topology | Boost (Step Up) |
|---|---|
| Input Voltage Min | 2.8V |
| Input Voltage Max | 36V |
| Output Voltage Max | 42V |
| Output Current Max | 4.5A |
| Switching Frequency | 2.25MHz |
| No. of Outputs | 1Outputs |
| IC Mounting | SMD |
| Driver Case Style | TSSOP |
| No. of Pins | 16Pins |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 125°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
| Base Number | 3478 |
| Device Type | LED |
| Dimming Control Type | PWM |
| Input Voltage | 2.8V to 36V |
| LED Display Type | Discrete LED |
| LED Driver Application | Automotive Lighting High Power LED Driver |
| Operating Temperature Range | -40°C to +125°C |
| Output Current | 4.5A |
| Output Voltage | 41V |
| Termination Type | Surface Mount Device |
| Topology | Boost (Step Up) |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a LT3478IFE#PBF?
Additional datasheets, footprints and schematics for LT3478IFE#PBF are listed on our Part Details page. You can also find images and similar parts to LT3478IFE#PBF on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for LT3478IFE#PBF on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LT3478IFE#PBF price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does LT3478IFE#PBF fall under?
The LT3478IFE#PBF is listed under Step-Down (Buck) LED Drivers.
Can I view similar or alternative parts?
You can view similar parts to LT3478IFE#PBF when available in the Step-Down (Buck) LED Drivers range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the LT3478IFE#PBF you can contact the distributor directly for product support, shipping queries etc.
Is the LT3478IFE#PBF RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Analog Devices.
Which authorised distributors for LT3478IFE#PBF have stock available?
Authorised distributors including Newark Electronics, element14, Farnell, Analog Devices and Richardson RFPD have stock available or on a lead time for LT3478IFE#PBF.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for LT3478IFE#PBF often in real-time on the comparison pages.
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