LP3944ISQX
| Parameters | |
|---|---|
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad |
| Surface Mount | YES |
| Number of Pins | 24 |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e0 |
| Pbfree Code | no |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Number of Terminations | 24 |
| ECCN Code | EAR99 |
| Type | Power Switch |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Applications | Camera Flash |
| Subcategory | Display Drivers |
| Max Power Dissipation | 1.76W |
| Terminal Position | QUAD |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Supply Voltage | 5V |
| Terminal Pitch | 0.5mm |
| Base Part Number | LP3944 |
| Number of Outputs | 8 |
| Operating Supply Voltage | 5.5V |
| Power Supplies | 2.5/5V |
| Power Dissipation | 1.76W |
| Max Supply Current | 550μA |
| Topology | Shift Register |
| Internal Switch(s) | Yes |
| Low Level Output Current | 25mA |
| Dimming | I2C, SMBus |
| Number of Segments | 8 |
| Voltage - Supply (Min) | 2.3V |
| Multiplexed Display Capability | NO |
| Data Input Mode | SERIAL |
| Width | 4mm |
| Radiation Hardening | No |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Contains Lead |
LP3944ISQX Overview
There is a 24-WFQFN Exposed Pad package on the board that is used to save space. LED drivers designed using this technology use 8 outputs.Surface Mount represents this mounting method.With high efficiency, it emerges as a Power Switch.The LED driver is capable of operating at a temperature of -40°C~85°C TA.There are significant benefits for Camera Flash.For its operation, terminations with a value of 0 are used.The configuration of the board is built around 24 pins.Under 2.3V voltage supply, undetermined failures may occur.There are estimated to be 8 segments.It's under the LP3944 base part number.Moreover, it can be classified as Display Drivers due to its characteristics.If the maximum current supply is less than 550μA, this device provides high efficiency.Systems require 5.5V voltage to operate.
LP3944ISQX Features
Available in the 24-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Supply voltage of 5V
Operating with the supply voltage of 5.5V
LP3944ISQX Applications
There are a lot of Texas Instruments LP3944ISQX LED Driver ICs applications.
- Auxiliary lights for on-vehicle cameras
- Linear fluorescent
- Constant Voltage Power Source for portable equipment
- Industrial LED Lighting: Image Recognition Devices
- LED Lighting PFCs, Linear Dimmable
- LED backlight driver for LCD displays for Tablets and Note PCs
- General lighting
- Flicker-free LED Lighting using R1580N
- Portable lighting
- Replacement lamps
