Parameters |
Factory Lead Time |
1 Week |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
16-UFQFN Exposed Pad |
Number of Pins |
16 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
Published |
2008 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
16 |
ECCN Code |
EAR99 |
Type |
DC DC Regulator |
Applications |
Backlight |
Terminal Position |
QUAD |
Number of Functions |
1 |
Supply Voltage |
12V |
Terminal Pitch |
0.5mm |
Frequency |
800kHz |
Pin Count |
16 |
Number of Outputs |
3 |
Operating Supply Voltage |
21V |
Max Supply Voltage |
27V |
Min Supply Voltage |
4.5V |
Voltage - Output |
42V |
Topology |
Step-Up (Boost) |
Output Current per Channel |
30mA |
Internal Switch(s) |
Yes |
Dimming |
PWM |
Number of Segments |
30 |
Voltage - Supply (Min) |
4.5V |
Multiplexed Display Capability |
NO |
Height Seated (Max) |
0.6mm |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
SC443ULTRT Overview
In order to save board space, the led driver uses the 16-UFQFN Exposed Pad package. It has 3 outputs for LED drivers.Surface Mount is used to mount the led driver.With high efficiency, it appears as a DC DC Regulator.The led light driver is capable of working normally at -40°C~85°C TA.The benefits of Backlight are considerable.This system operates at 800kHz frequency.There are 16 terminations that are designed to operate with it.It has a base of 16 pins.A voltage supply below 4.5V may cause undetermined failures.There are estimated to be 30 segments.As you can see, it is mounted by Surface Mount.27V is an acceptable voltage.Its output voltage is 42V.It is equipped with 16 pin count.For maximum efficiency, it operates at the minimal voltage of 4.5V.In order to power systems, 21V voltage is needed.
SC443ULTRT Features
Available in the 16-UFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 800kHz
Supply voltage of 12V
Operating with the supply voltage of 21V
SC443ULTRT Applications
There are a lot of Semtech Corporation SC443ULTRT LED Driver ICs applications.
- Scanners and Handy Terminals
- Industrial LED Lighting: Image Recognition Devices
- Sports Facility Lighting
- Down lighting
- Auxiliary lights for on-vehicle cameras
- Street lighting
- LED Lighting PFCs, Linear Dimmable
- Constant Voltage Power Source for portable equipment
- Gallery lighting
- Museum lighting