Texas Instruments LM3557SD-2/NOPB LED Drivers
IC LED DRIVER RGLTR 800MA 8WSON

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3557SD-2/NOPB
Detailed Description
IC LED DRIVER RGLTR 800MA 8WSON
Package
8-WFDFN Exposed Pad
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM3557SD-2/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3557SD-2/NOPB LED Drivers technical specifications.
General
Package / Case
8-WFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Frequency
1.2MHz
Type
DC DC Regulator
Internal Switch S
Yes
Current Output Channel
800mA (Switch)
Number of Outputs
1
Topology
Step-Up (Boost)
Voltage Supply Max
7.5V
Alternate Parts Comparison (LM3557SD-2/NOPB vs LM3S1332-EQC50-A2T vs LM3S1435-EQC50-A2 vs LM3S2533-EQC50-A2)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-WFDFN Exposed Pad | 100-LQFP | 100-LQFP | 100-LQFP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | -- | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| Data Bus Width | -- | 32bit | 32bit | 32bit |
| Number of Pins | -- | 100 | 100 | 100 |
| Core Processor | -- | ARM® Cortex®-M3 | ARM® Cortex®-M3 | ARM® Cortex®-M3 |
| Core Size | -- | 32-Bit Single-Core | 32-Bit Single-Core | 32-Bit Single-Core |
| RAM Size | -- | 16KB | 32KB | 64KB |
| ADC Channels | -- | 3 | 2 | 3 |
| AEC Qualified | -- | No | No | No |
| Automotive | -- | No | No | No |
| Action |
More Parts in LED Drivers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.