Texas Instruments LM3553SD/NOPB Microcontrollers
1.2A Dual Flash LED Driver, I²C, Boost, 5.5V, 1MHz, WSON
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3553SD/NOPB
Detailed Description
1.2A Dual Flash LED Driver, I²C, Boost, 5.5V, 1MHz, WSON
Package
12-WFDFN Exposed Pad
Lifecycle Status
Active
Datasheet
LM3553SD/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3553SD/NOPB Microcontrollers technical specifications.
General
Package / Case
12-WFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-30°C ~ 85°C (TA)
Frequency
1.2MHz
Type
DC DC Regulator
Internal Switch S
Yes
Current Output Channel
1.2A (Flash)
Number of Outputs
1
Topology
Step-Up (Boost)
Voltage Supply Max
5.5V
Alternate Parts Comparison (LM3553SD/NOPB vs LM5160ADNTJ vs LM34919CQSD/NOPB vs LM51551DSST)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -30°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Topology | Step-Up (Boost) | Buck, Flyback | Buck | Boost, Flyback, SEPIC |
| Switching Frequency | -- | Adj to 1MHz | 2.6MHz | 100kHz ~ 2.2MHz |
| Function | -- | Step-Down | Step-Down | Step-Up, Step-Up/Step-Down |
| Output Configuration | -- | Positive, Isolation Capable | Positive | Positive |
| Output Type | -- | Adjustable | Adjustable | Transistor Driver |
| Synchronous Rectifier | -- | Yes | No | No |
| Action |
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
LM5160ADNTJTexas InstrumentsLM5160A Wide Input 65V, 2A Synchronous Buck / Fly-Buck™ Converter 12-WSON -40 to 125
LMR23625CFPDRRRTexas InstrumentsSIMPLE SWITCHER®, 36V 2.5A Synchronous Step-Down Converter 12-SON -40 to 125
LM34919CQSD/NOPBTexas InstrumentsAutomotive 4.5-50V Wide Vin 600mA 2.6MHz Ultra-Small Constant On-Time Non-Synchronous Buck Regulator 12-WSON -40 to 125