Texas Instruments LM27966SQ LED Drivers
IC LED DRIVER RGLTR DIM 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM27966SQ
Detailed Description
IC LED DRIVER RGLTR DIM 24WQFN
Package
24-WFQFN Exposed Pad
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM27966SQ Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM27966SQ LED Drivers technical specifications.
General
RoHS
Yes
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
Obsolete
Frequency
1.27MHz
Type
DC DC Regulator
Internal Switch S
Yes
Output Voltage
2V ~ 4V
Alternate Parts Comparison (LM27966SQ vs LM3549SQX/NOPB vs TLC69611RTWR vs TLC69652RTWR)
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) | -30°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C |
| Supply Voltage | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 3V ~ 5.5V | 3V ~ 5.5V |
| Lifecycle Status | Obsolete | Active | Active | Active |
| Current Output Channel | 30mA | 705mA | 60mA | 30mA |
| Dimming | I²C | I²C | PWM | PWM |
| Internal Switch S | Yes | Yes | No | No |
| Number of Outputs | 6 | 3 | 16 | 16 |
| Output Voltage | 2V ~ 4V | 4.6V | 20V | 50V |
| Topology | Switched Capacitor (Charge Pump) | Step-Down (Buck), Step-Up (Boost) | Constant Current | Constant Current |
| Type | DC DC Regulator | DC DC Regulator | Linear | Linear |
| Mounting Type | Surface Mount | Surface Mount | -- | Surface Mount |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MC34844AEPNXP SemiconductorsNXP
IC LED DRVR RGLTR DIM 80MA 32QFN
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
