Texas Instruments LP3943ISQ/NOPB LED Drivers
IC LED DRIVER PS DIM 25MA 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP3943ISQ/NOPB
Detailed Description
IC LED DRIVER PS DIM 25MA 24WQFN
Package
24-WFQFN Exposed Pad
Key Features
Package / Case: 24-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LP3943ISQ/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP3943ISQ/NOPB LED Drivers technical specifications.
General
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Type
Power Switch
Internal Switch S
Yes
Current Output Channel
25mA
Number of Outputs
16
Topology
Shift Register
Voltage Supply Max
5.5V
Voltage Supply Min
2.3V
Alternate Parts Comparison (LP3943ISQ/NOPB vs LP8556SQX-E00/NOPB vs LP8556SQ-E09/NOPB vs LP55231SQE/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) | -30°C ~ 85°C (TA) |
| Applications | Camera Flash | Backlight | Backlight | Backlight |
| Current Output Channel | 25mA | 25mA | 25mA | 25.5mA |
| Dimming | I²C, SMBus | PWM | PWM | PWM |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Number of Outputs | 16 | 5 | 6 | 9 |
| Topology | Shift Register | Step-Up (Boost) | Step-Up (Boost) | Switched Capacitor (Charge Pump) |
| Type | Power Switch | DC DC Regulator | DC DC Regulator | DC DC Regulator |
| Voltage Supply Max | 5.5V | 20V | 20V | 5.5V |
| Voltage Supply Min | 2.3V | 2.7V | 2.7V | 2.7V |
| Action |
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