Parameters |
Factory Lead Time |
1 Week |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
14-UFQFN |
Number of Pins |
14 |
Operating Temperature |
-40°C~85°C TA |
Packaging |
Tape & Reel (TR) |
Published |
2015 |
Series |
SemPulse® |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
14 |
ECCN Code |
EAR99 |
Type |
DC DC Regulator |
Applications |
Backlight |
Subcategory |
Display Drivers |
Terminal Position |
QUAD |
Number of Functions |
1 |
Supply Voltage |
3.7V |
Terminal Pitch |
0.4mm |
Frequency |
250kHz |
Pin Count |
14 |
Number of Outputs |
5 |
Power Supplies |
3.7V |
Max Supply Voltage |
5.5V |
Voltage - Output |
2.5V~5.25V |
Topology |
Switched Capacitor (Charge Pump) |
Output Current per Channel |
25mA |
Current - Output / Channel |
25mA |
Internal Switch(s) |
Yes |
Number of Segments |
5 |
Voltage - Supply (Min) |
2.9V |
Multiplexed Display Capability |
NO |
Data Input Mode |
SERIAL |
Height Seated (Max) |
0.6mm |
Length |
2mm |
Width |
2mm |
Radiation Hardening |
No |
RoHS Status |
RoHS Compliant |
Lead Free |
Lead Free |
SC657ULTRT Overview
14-UFQFN package saves space on the board. LED drivers are designed with 5 outputs.Surface Mount is used to mount the led light driver.In this case, the result is a DC DC Regulator with high efficiency.At -40°C~85°C TA, the led driver is capable of operating.Backlight provides many benefits.The system operates on the basis of the frequency 250kHz.For its operation, 14 terminations are designed.This LED driver is configured with a base of 14 pins.Undetermined failures may occur when the voltage supply is less than 2.9V.Based on our estimates, there are 5 segments.Surface Mount is mounted on it.It is acceptable for the voltage to be 5.5V.Its output voltage is 2.5V~5.25V.14 pins are available on the device.Furthermore, it can be classified as Display Drivers based on its characteristics.A component of the SemPulse? series, this LED driver is widely used in a variety of applications.
SC657ULTRT Features
Available in the 14-UFQFN package
Operating temperature of -40°C~85°C TA
Frequency of 250kHz
Supply voltage of 3.7V
SC657ULTRT Applications
There are a lot of Semtech Corporation SC657ULTRT LED Driver ICs applications.
- Portable lighting
- Linear fluorescent
- Museum lighting
- Constant Voltage Power Source for portable equipment
- General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
- Scanners and Handy Terminals
- LED Lighting PFCs, Linear Dimmable
- Gallery lighting
- LED Lightings for Inspection Devices
- Architectural lighting