Texas Instruments LM3551SD LED Drivers
IC LED DRIVER RGLTR 1A 14WSON
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM3551SD
Detailed Description
IC LED DRIVER RGLTR 1A 14WSON
Package
14-WFDFN Exposed Pad
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
LM3551SD Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM3551SD LED Drivers technical specifications.
General
Package / Case
14-WFDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Frequency
1.25MHz
Type
DC DC Regulator
Internal Switch S
Yes
Current Output Channel
1A (Flash)
Number of Outputs
1
Topology
Step-Up (Boost)
Voltage Supply Max
5.5V
Alternate Parts Comparison (LM3551SD vs LM27952SD/NOPB vs LM4970SDX/NOPB vs LM27952SD)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 14-WFDFN Exposed Pad | 14-WFDFN Exposed Pad | 14-WFDFN Exposed Pad | 14-WFDFN Exposed Pad |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Current Output Channel | 1A (Flash) | 30mA | 42mA | 30mA |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Type | DC DC Regulator | DC DC Regulator | Linear | DC DC Regulator |
| Voltage Supply Max | 5.5V | 5.5V | 5.5V | 5.5V |
| Voltage Supply Min | 2.7V | 3V | 2.7V | 3V |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Frequency | 1.25MHz | 750kHz | -- | 750kHz |
| Applications | Camera Flash | -- | Backlight | Backlight |
| Number of Outputs | 1 | -- | 3 | 4 |
| Topology | Step-Up (Boost) | Switched Capacitor (Charge Pump) | -- | Switched Capacitor (Charge Pump) |
| 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.
LM27952SD/NOPBTexas InstrumentsWhite LED adaptive 1.5X/1X switched capacitor current driver with 3V-5.5V input voltage range