Datasheet Texas Instruments LP3944
Manufacturer | Texas Instruments |
Series | LP3944 |
RGB/White/Blue 8-LED Fun Light Driver
Datasheets
LP3944 RGB/White/Blue 8-LED Fun Light Driver datasheet
PDF, 930 Kb, Revision: A, File published: Apr 6, 2013
Extract from the document
Prices
Status
LP3944ISQ/NOPB | LP3944ISQX/NOPB | |
---|---|---|
Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
Manufacture's Sample Availability | Yes | No |
Packaging
LP3944ISQ/NOPB | LP3944ISQX/NOPB | |
---|---|---|
N | 1 | 2 |
Pin | 24 | 24 |
Package Type | RTW | RTW |
Industry STD Term | WQFN | WQFN |
JEDEC Code | S-PQFP-N | S-PQFP-N |
Package QTY | 1000 | 4500 |
Carrier | SMALL T&R | LARGE T&R |
Device Marking | 3944SQ | 3944SQ |
Width (mm) | 4 | 4 |
Length (mm) | 4 | 4 |
Thickness (mm) | .75 | .75 |
Pitch (mm) | .5 | .5 |
Max Height (mm) | .8 | .8 |
Mechanical Data | Download | Download |
Parametrics
Parameters / Models | LP3944ISQ/NOPB | LP3944ISQX/NOPB |
---|---|---|
Number of Channels | 8 | 8 |
Iout(Max), A | 0.2 | 0.2 |
Iq(Typ), mA | 0.35 | 0.35 |
LED | 8 | 8 |
LED Configuration | Parallel | Parallel |
LED Current Per Channel, mA | 25 | 25 |
Operating Temperature Range, C | -40 to 85 | -40 to 85 |
Package Group | WQFN | WQFN |
Package Size: mm2:W x L, PKG | 24WQFN: 16 mm2: 4 x 4(WQFN) | 24WQFN: 16 mm2: 4 x 4(WQFN) |
Peak Efficiency, % | 100 | 100 |
Program Memory | No | No |
Programmable Ramp Control | No | No |
Rating | Catalog | Catalog |
Shutdown Current(Typ), uA | 2 | 2 |
Special Features | I2C Control | I2C Control |
Topology | Linear | Linear |
Vin(Max), V | 5.5 | 5.5 |
Vin(Min), V | 2.3 | 2.3 |
Vout(Max), V | 5.5 | 5.5 |
Vout(Min), V | -0.5 | -0.5 |
Eco Plan
LP3944ISQ/NOPB | LP3944ISQX/NOPB | |
---|---|---|
RoHS | Compliant | Compliant |
Application Notes
- AN-1715 LP3943/LP3944 as a GPIO Expander (Rev. A)PDF, 138 Kb, Revision: A, File published: Apr 30, 2013
This application report describes how to use LP3943/44 as a general-purpose input/output (GPIO)expander. It is recommended that circuit data sheets are read first and used in conjunction with thisdocument.
Model Line
Series: LP3944 (2)
Manufacturer's Classification
- Semiconductors> Power Management> LED Driver> Indicator/RGBW