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Overview
| Topology | Boost Converter |
| Input voltage | 9-18 V |
| Output 1 | 57 V / 0.12 A |
Description
Demonstration circuit 2630A is an I2C programmable quad channel monolithic boost LED driver featuring the LT®3966. It drives four separate strings of LEDs (up to 50V) at 125mA when VIN is between 9V and 18V. DC2630A runs at 2MHz switching frequency. Its four channels are capable of powering LED strings which can have different currents, voltages, or dimming ratios. Each channel can be independently controlled via I2C communications or analog inputs. DC2630A can be configured to run in either mode by modifying the ADDR pin settings. It is protected against output overcurrent, overvoltage events, and reports open and short LED fault events by latching an alert pin. In I2C mode, faults can be enabled or disabled. A DC2026C Linduino® One demonstration circuit is used to interface with the board by directly connecting it with a QuikEval™ ribbon cable and provided command line interface code.
Features
The LT3966 has an input voltage range from 3V to 60V.Each boost channel has an integrated 60V 1.6A low-side power switch. It has adjustable switching frequency between 300kHz and 2MHz and can be synchronized to an external clock source. Additionally, LT3966 can be programmed to output its own master clock to sync other devices. The high side PWMTG MOSFET drivers assist with PWM dimming and fault protection. The LT3966 channels can be configured to operate as a ground-referenced step-up (boost) LED driver, or as a floating output LED driver to perform step-down (buck mode) or step-up/step-down (buck-boost mode) operation.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | f(mm) | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | Packaging | Pins | Type | Mount | L(mm) | H(mm) | IR(A) | Working Voltage(V (AC)) | Operating Temperature | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-MAPI SMT Power Inductor, –, 10 µH | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | – | Inductance10 µH | Performance Rated Current1.65 A | Saturation Current @ 30%3 A | DC Resistance280 mΩ | Self Resonant Frequency18 MHz | Operating Voltage80 V | – | – | – | – | – | – | – | – | – | Pins2 | – | MountSMT | Length3 mm | Height2 mm | Rated Current1.2 A | – | Operating Temperature -40 °C up to +125 °C | –Check availability | |||
 | SPECWCAP-ASLI Aluminum Electrolytic Capacitors, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance47 µF | Rated Voltage50 V (DC) | Endurance 2000 | Ripple Current230 mA | Impedance700 mΩ | Leakage Current23.5 µA | Dissipation Factor12 % | Diameter6.3 mm | Packaging15" Tape & Reel | – | – | MountV-Chip SMT | Length7.7 mm | – | – | – | Operating Temperature -55 °C up to +105 °C | –Check availability | |||
 | SPECWA-SNSR Self-Retaining Spacer, 4.8 mm, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SNSR Self-Retaining Spacer | Drilling in Panel4.8 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Length6.4 mm | – | – | – | Operating Temperature -30 °C up to +85 °C | –Check availability | ||
 | SPECWR-PHD Jumper, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Jumper | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingBag | Pins2 | – | – | – | – | Rated Current3 A | Working Voltage200 V (AC) | Operating Temperature -25 °C up to +105 °C | –Check availability | ||
 | SPECWR-PHD Pin Header, –, – | Simulation– | Availability – | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | PackagingBag | Pins6 | TypeStraight | MountTHT | Length6 mm | – | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | –Check availability |
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |