LP3944ISQ/NOPB
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 6 days ago) |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad |
| Number of Pins | 24 |
| Operating Temperature | -40°C~85°C TA |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e3 |
| Feature | I2C |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Number of Terminations | 24 |
| ECCN Code | EAR99 |
| Type | Power Switch |
| Terminal Finish | Matte Tin (Sn) |
| 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 |
| Current Rating | 25mA |
| Frequency | 400kHz |
| Base Part Number | LP3944 |
| Power Supplies | 2.5/5V |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.3V |
| Nominal Supply Current | 550μA |
| Power Dissipation | 1.76W |
| Output Current | 25mA |
| Max Supply Current | 550μA |
| Quiescent Current | 350μA |
| Topology | Shift Register |
| Input Characteristics | STANDARD |
| Internal Switch(s) | Yes |
| Low Level Output Current | 25mA |
| fmax-Min | 0.4 MHz |
| Dimming | I2C, SMBus |
| Number of Segments | 8 |
| Voltage - Supply (Min) | 2.3V |
| Multiplexed Display Capability | NO |
| Data Input Mode | SERIAL |
| Height | 800μm |
| Length | 4mm |
| Width | 4mm |
| Thickness | 750μm |
| Radiation Hardening | No |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
LP3944ISQ/NOPB Overview
Its 24-WFQFN Exposed Pad package is used to save board space. The mounting method adopted is Surface Mount.Power Switch emerges with high efficiency and reliability.This LED driver can be operated at a temperature of -40°C~85°C TA. Camera Flash benefits significantly from the program.The system operates at a frequency of 400kHz.There are 24 terminations associated with it.There are 24 pins used to form the base of its configuration.A voltage supply below 2.3V may cause undetermined failures.A total of 8 segments are estimated.Surface Mount is mounted on it.The LED driver can be found under the base part number LP3944.It's acceptable for the voltage to be 5.5V.According to its characteristics, it is also categorized into Display Drivers.For highest efficiency, it works with a minimal supply voltage of 2.3V.When the maximum supply current is below 550μA, the device can deliver high efficiency.The load is capable of receiving 25mA current.350μA current is consumed in the case of no external factors.
LP3944ISQ/NOPB Features
Available in the 24-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 400kHz
Supply voltage of 5V
LP3944ISQ/NOPB Applications
There are a lot of Texas Instruments LP3944ISQ/NOPB LED Driver ICs applications.
- LED Lightings for Inspection Devices
- Industrial LED Lighting: Image Recognition Devices
- Medical surgery lighting
- Constant Voltage Power Source for portable equipment
- Ultraviolet (UV) and Infrared (IR) Irradiation Devices
- Amusement Machines
- Power source for accessories such as car audios, car navigation systems, and ETC systems
- Linear fluorescent
- Down lights
- Museum lighting
