Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
PRODUCTION (Last Updated: 3 weeks ago) |
Mounting Type |
Surface Mount |
Package / Case |
20-WFQFN Exposed Pad |
Surface Mount |
YES |
Number of Pins |
20 |
Operating Temperature |
-40°C~125°C TA |
Packaging |
Tape & Reel (TR) |
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 |
Terminal Form |
NO LEAD |
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 |
Qualification Status |
Not Qualified |
Input Voltage-Nom |
2.5V |
Max Supply Voltage |
25V |
Min Supply Voltage |
2.5V |
Topology |
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) |
Min Input Voltage |
2.3V |
Control Mode |
CURRENT-MODE |
Output Current-Max |
5A |
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 |
Height Seated (Max) |
0.8mm |
RoHS Status |
ROHS3 Compliant |
LT3477IUF#TRPBF Overview
The 20-WFQFN Exposed Pad package saves space on the board. LED drivers design with 1 outputs.Surface Mount is used to mount the led driver.It emerges as a DC DC Regulator, which is efficient and reliable.It is possible for the led light driver to operate at a temperature of -40°C~125°C TA.The system operates at a frequency of 200kHz~3.5MHz.There are 20 terminations that are designed to operate with it.Its configuration is based on 20 pins.There are 4 segments.Under the base part number LT3477, you'll find this LED driver.The supply voltage of 25V is an acceptable maximum value.There are 20 pins on this device.In addition, it can be classified as Switching Regulator or Controllers according to its characteristics.When the input voltage is set to 2.3V, it operates.To meet highest efficiency standards, it works on a supply voltage of 2.5V.There are 2.5V volts assigned to the circuit when operating the device.There should be no more than 5A current coming out of the output.
LT3477IUF#TRPBF Features
Available in the 20-WFQFN Exposed Pad package
Operating temperature of -40°C~125°C TA
Frequency of 200kHz~3.5MHz
LT3477IUF#TRPBF Applications
There are a lot of Linear Technology/Analog Devices LT3477IUF#TRPBF LED Driver ICs applications.
- General lighting
- Dimmable LED for vehicle interiors
- LED Lightings for Industrial Equipment
- Down lighting
- Power source for accessories such as car audios, car navigation systems, and ETC systems
- Refrigeration lighting
- Stage and Studio lighting
- Museum lighting
- Ultraviolet (UV) and Infrared (IR) Irradiation Devices
- Replacement lamps