Parameters |
Factory Lead Time |
6 Weeks |
Lifecycle Status |
ACTIVE (Last Updated: 3 days ago) |
Contact Plating |
Copper, Silver, Tin |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
24-VFQFN Exposed Pad |
Number of Pins |
24 |
Operating Temperature |
-30°C~85°C TA |
Packaging |
Tape & Reel (TR) |
JESD-609 Code |
e1 |
Pbfree Code |
yes |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
24 |
ECCN Code |
EAR99 |
Type |
DC DC Regulator |
Terminal Finish |
Tin/Silver/Copper (Sn/Ag/Cu) |
Applications |
Backlight |
Subcategory |
Display Drivers |
Terminal Position |
QUAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
3.6V |
Base Part Number |
LP5521 |
Pin Count |
24 |
Max Supply Voltage |
5.5V |
Min Supply Voltage |
2.7V |
Nominal Supply Current |
1.5mA |
Output Current |
25.5mA |
Max Supply Current |
1.5mA |
Quiescent Current |
1.5mA |
Voltage - Output |
4.55V |
Topology |
Switched Capacitor (Charge Pump) |
Output Characteristics |
CONSTANT-CURRENT |
Input Characteristics |
STANDARD |
Internal Switch(s) |
Yes |
High Level Output Current |
25.5mA |
fmax-Min |
0.4 MHz |
Dimming |
I2C |
Number of Segments |
3 |
Switching Frequency |
1.25MHz |
Voltage - Supply (Min) |
2.7V |
Multiplexed Display Capability |
YES |
Touchscreen |
Capacitive |
Data Input Mode |
SERIAL |
Height |
910μm |
Length |
5mm |
Width |
4mm |
Thickness |
800μm |
Radiation Hardening |
No |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
LP5521YQ/NOPB Overview
Additionally, there is a 24-VFQFN Exposed Pad package for saving space.This mounting method is Surface Mount.It emergys as a DC DC Regulator with high efficiency and reliable performance.LED drivers capable of operating at -30°C~85°C TA can be used.There are many benefits for Backlight.It operates with 24 terminations.It is configured with 24 pins as its base.It is possible for undetermined failures to occur if the voltage supply falls below 2.7V.A total of 3 segments are estimated.The mount is in the direction of Surface Mount.Under the base part number LP5521, you'll find this LED driver.As a maximum value, 5.5V is acceptable.The device has a voltage output of 4.55V volts.On it, there are 24 pins.Further, it can be classified as Display Drivers based on its characteristics.The system works with a minimum supply voltage of 2.7V in order to achieve maximum efficiency.When the maximum supply current is less than 1.5mA, the device is able to provide a high level of efficiency.Loads can only be powered by 25.5mA current.It's possible for this electronic component to fully function when the switching frequency is maintained at 1.25MHz.In the absence of external factors, there is 1.5mA consumption of current.
LP5521YQ/NOPB Features
Available in the 24-VFQFN Exposed Pad package
Operating temperature of -30°C~85°C TA
Supply voltage of 3.6V
Switching frequency of 1.25MHz
LP5521YQ/NOPB Applications
There are a lot of Texas Instruments LP5521YQ/NOPB LED Driver ICs applications.
- Dimmable LED for vehicle interiors
- Portable lighting
- Flicker-free LED Lighting using R1580N
- Refrigeration lighting
- LED backlight driver for LCD displays for Tablets and Note PCs
- LED backlight driver for LCD displays for portable equipment
- Gallery lighting
- Ultraviolet (UV) and Infrared (IR) Irradiation Devices
- Auxiliary lights for on-vehicle cameras
- Scanners and Handy Terminals