Texas Instruments LM27964SQX-I/NOPB LED Drivers
IC LED DRIVER RGLTR DIM 24WQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM27964SQX-I/NOPB
Detailed Description
IC LED DRIVER RGLTR DIM 24WQFN
Package
24-WFQFN Exposed Pad
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM27964SQX-I/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM27964SQX-I/NOPB 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
700kHz
Type
DC DC Regulator
Internal Switch S
Yes
Output Voltage
2V ~ 4V
Alternate Parts Comparison (LM27964SQX-I/NOPB 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, 80mA | 705mA | 60mA | 30mA |
| Dimming | I²C | I²C | PWM | PWM |
| Internal Switch S | Yes | Yes | No | No |
| Number of Outputs | 7 | 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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