Parameters |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tube |
Published |
2007 |
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 |
DUAL |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Terminal Pitch |
0.65mm |
Frequency |
200kHz~3.5MHz |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
LT3477 |
Pin Count |
20 |
JESD-30 Code |
R-PDSO-G20 |
Number of Outputs |
1 |
Qualification Status |
Not Qualified |
Input Voltage-Nom |
2.5V |
Input Voltage (Min) |
2.5V |
Topology |
Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) |
Control Mode |
CURRENT-MODE |
Output Current-Max |
5A |
Input Voltage (Max) |
25V |
Control Technique |
PULSE WIDTH MODULATION |
Switcher Configuration |
BUCK-BOOST |
Current - Output / Channel |
3A Switch |
Internal Switch(s) |
Yes |
Dimming |
PWM |
Voltage - Supply (Max) |
25V |
Voltage - Supply (Min) |
2.5V |
Length |
6.5mm |
Width |
4.4mm |
RoHS Status |
ROHS3 Compliant |
Factory Lead Time |
1 Week |
Mounting Type |
Surface Mount |
Package / Case |
20-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Surface Mount |
YES |
LT3477EFE#PBF Overview
There is a 20-TSSOP (0.173, 4.40mm Width) Exposed Pad package on the board that is used to save space. In this LED driver, there are 1 outputs.Surface Mount is used for mounting the led light driver.It emerges as a DC DC Regulator, which is efficient and reliable.It is possible for the led driver ic to function normally at -40°C~85°C TA.A frequency of 200kHz~3.5MHz is used to operate it.In order for it to operate, it has 20 terminations.Failures may occur if the voltage supply is below 2.5V.Part number LT3477 represents this LED driver.A total of 20 pins are present on this device.An optimized supply voltage of 25V is provided.According to its characteristics, it is also categorized into Switching Regulator or Controllers.While operating the device, the circuit has 2.5V volts.It is greatly simplified when used with input voltages greater than or equal to 2.5V.Keeping the input voltage below 0 ensures high stability.You should not exceed 5A for the output current.
LT3477EFE#PBF Features
Available in the 20-TSSOP (0.173, 4.40mm Width) Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 200kHz~3.5MHz
LT3477EFE#PBF Applications
There are a lot of Linear Technology/Analog Devices LT3477EFE#PBF LED Driver ICs applications.
- LED Lightings for Inspection Devices
- White LED Backlight for portable equipment
- General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
- LED headlights
- Scanners and Handy Terminals
- General lighting
- A- lamps
- Auxiliary lights for on-vehicle cameras
- Panel lighting
- Architectural lighting