LP3943ISQ
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 2 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 | e0 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 24 |
| ECCN Code | EAR99 |
| Type | Power Switch |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Applications | Camera Flash |
| HTS Code | 8542.39.00.01 |
| Subcategory | Display Drivers |
| Max Power Dissipation | 400mW |
| Terminal Position | QUAD |
| Peak Reflow Temperature (Cel) | 260 |
| Number of Functions | 1 |
| Supply Voltage | 5V |
| Terminal Pitch | 0.5mm |
| Frequency | 400kHz |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Base Part Number | LP3943 |
| Pin Count | 24 |
| Number of Outputs | 16 |
| Power Supplies | 2.5/5V |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.3V |
| Nominal Supply Current | 550μA |
| Power Dissipation | 400mW |
| Max Supply Current | 550μA |
| Quiescent Current | 350μA |
| Topology | Shift Register |
| Output Characteristics | OPEN-DRAIN |
| Input Characteristics | STANDARD |
| Internal Switch(s) | Yes |
| Low Level Output Current | 25mA |
| fmax-Min | 0.4 MHz |
| Dimming | I2C, SMBus |
| Number of Segments | 16 |
| 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 | Non-RoHS Compliant |
| Lead Free | Contains Lead |
LP3943ISQ Overview
The 24-WFQFN Exposed Pad package is used for saving board space. There are 16 outputs used for the design of this LED drivers.It adopts the way of Surface Mount for mounting.It emergys as a Power Switch with high efficiency and reliable performance.It is capable of operating at a temperature of -40°C~85°C TA. Camera Flash has considerable advantages.The system operates at a frequency of 400kHz.It operates with 24 terminations.The LED light driver is configured with a base of 0 pins.Undetermined failures may occur when the voltage supply is less than 2.3V.16 segments exist.The mount is in the direction of Surface Mount.It can be found under the part number LP3943.In this case, 5.5V is acceptable.24 pins are available on the device.It is also classified into Display Drivers according to its characteristics.To meet high efficiency standards, it works with a voltage of 2.3V.It is capable of delivering high efficiency when the maximal supply current is below 550μA.There is no external factor that consumes current when there is 350μA current consumption.
LP3943ISQ Features
Available in the 24-WFQFN Exposed Pad package
Operating temperature of -40°C~85°C TA
Frequency of 400kHz
Supply voltage of 5V
LP3943ISQ Applications
There are a lot of Texas Instruments LP3943ISQ LED Driver ICs applications.
- Gallery lighting
- Auxiliary lights for on-vehicle cameras
- LED Lighting PFCs, Linear Dimmable
- Sports Facility Lighting
- General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights
- Architectural lighting
- Scanners and Handy Terminals
- Amusement Machines
- LED headlights
- LED backlight driver for LCD displays for Tablets and Note PCs
