LT3477EUF#PBF
| Parameters | |
|---|---|
| Operating Supply Voltage | 3.3V |
| Input Voltage-Nom | 2.5V |
| Max Supply Voltage | 25V |
| Min Supply Voltage | 2.5V |
| Output Current | 3A |
| Max Output Voltage | 40V |
| Topology | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) |
| Min Input Voltage | 2.3V |
| Control Mode | CURRENT-MODE |
| Max Input Voltage | 25V |
| Control Technique | PULSE WIDTH MODULATION |
| Switcher Configuration | BUCK-BOOST |
| Current - Output / Channel | 3A Switch |
| Internal Switch(s) | Yes |
| High Level Output Current | 10μA |
| Low Level Output Current | 10μA |
| Dimming | PWM |
| Number of Segments | 4 |
| Switching Frequency | 3.5MHz |
| Height | 750μm |
| Length | 4mm |
| Width | 4mm |
| Radiation Hardening | No |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
| Factory Lead Time | 1 Week |
| Lifecycle Status | PRODUCTION (Last Updated: 2 weeks ago) |
| Mounting Type | Surface Mount |
| Package / Case | 20-WFQFN Exposed Pad |
| Surface Mount | YES |
| Number of Pins | 20 |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tube |
| Published | 2009 |
| JESD-609 Code | e3 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 20 |
| ECCN Code | EAR99 |
| Type | DC DC Regulator |
| Terminal Finish | Matte Tin (Sn) |
| Subcategory | Switching Regulator or Controllers |
| Terminal Position | QUAD |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Terminal Pitch | 0.5mm |
| Frequency | 200kHz~3.5MHz |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LT3477 |
| Pin Count | 20 |
| Number of Outputs | 1 |
| Output Voltage | 42V |
LT3477EUF#PBF Overview
It saves board space with the 20-WFQFN Exposed Pad package. Using this LED driver, there are 1 outputs.The led driver mounting is done by using Surface Mount.In this case, the result is a DC DC Regulator with high efficiency.The led light driver can work at -40°C~85°C TA.In this case, the frequency is 200kHz~3.5MHz.It operates with terminations of 20.It is configured with 20 pins as its base.A total of 4 segments are estimated.This LED driver has the part number LT3477.It is acceptable to operate with a supply voltage of 25V.In addition, it is equipped with a total of 20 pins.According to its characteristics, it is also categorized into Switching Regulator or Controllers.As its minimal input voltage, it operates at a voltage of 2.3V.In order to achieve the highest efficiency, it is designed to operate at a low voltage of 2.5V.When the maximum supply current is allowed, it reaches 25V.A load can be supplied with 3A current.In order to power systems, 3.3V voltage is needed.Electronic components can function properly when their switching frequency is set to 3.5MHz.The output voltage is 42V.40V should be the maximum output voltage.Device operation requires 2.5V volts from the circuit.
LT3477EUF#PBF Features
Available in the 20-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 200kHz~3.5MHz
Operating with the supply voltage of 3.3V
Switching frequency of 3.5MHz
Output voltage of 42V
LT3477EUF#PBF Applications
There are a lot of Linear Technology/Analog Devices LT3477EUF#PBF LED Driver ICs applications.
- Constant Voltage Power Source for portable equipment
- White LED Backlight for portable equipment
- Museum lighting
- General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
- Gallery lighting
- Refrigeration lighting
- Architectural lighting
- Replacement lamps
- Stage and Studio lighting
- Down lights
