Texas Instruments LM3549SQX/NOPB LED Drivers
IC LED DRIVER RGLTR DIM 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3549SQX/NOPB
Detailed Description
IC LED DRIVER RGLTR DIM 24WQFN
Package
24-WFQFN Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM3549SQX/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3549SQX/NOPB LED Drivers technical specifications.
General
RoHS
Yes
Number of Channels
3
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-30°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Frequency
2.4MHz
Type
DC DC Regulator
Internal Switch S
Yes
Alternate Parts Comparison (LM3549SQX/NOPB vs TLC69610RTWR vs TLC69611RTWR vs LP3943ISQ/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 |
| Operating Temperature | -30°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V | 2.3V ~ 5.5V |
| Lifecycle Status | Active | Active | Active | Active |
| Current Output Channel | 705mA | 60mA | 60mA | 25mA |
| Dimming | I²C | No | PWM | I²C, SMBus |
| Internal Switch S | Yes | No | No | Yes |
| Number of Outputs | 3 | 16 | 16 | 16 |
| Type | DC DC Regulator | DC DC Controller | Linear | Power Switch |
| Output Voltage | 4.6V | 20V | 20V | -- |
| Topology | Step-Down (Buck), Step-Up (Boost) | -- | Constant Current | Shift Register |
| Action |
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