Texas Instruments LM51551QDSSTQ1 DC DC Switching Controllers
POWER MANAGEMENT
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM51551QDSSTQ1
Detailed Description
POWER MANAGEMENT
Package
12-WFDFN Exposed Pad
Key Features
Package / Case: 12-WFDFN Exposed Pad; Mounting Type: Surface Mount, Wettable Flank
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM51551QDSSTQ1 Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM51551QDSSTQ1 DC DC Switching Controllers technical specifications.
General
RoHS
Yes
Package / Case
12-WFDFN Exposed Pad
Mounting Type
Surface Mount, Wettable Flank
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
2.97V ~ 45V
Lifecycle Status
Active
Output Type
Transistor Driver
Switching Frequency
100kHz ~ 2.2MHz
Number of Outputs
1
Topology
Boost, Flyback, SEPIC
Alternate Parts Comparison (LM51551QDSSTQ1 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 | 12-WFDFN Exposed Pad | 100-LQFP | 100-LQFP | 100-LQFP |
| Mounting Type | Surface Mount, Wettable Flank | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 105°C (TA) |
| Supply Voltage | 2.97V ~ 45V | 2.25V ~ 2.75V | 2.25V ~ 2.75V | 2.25V ~ 2.75V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Package | WFDFN-12 | LQFP | LQFP | LQFP |
| Series | -- | Stellaris® ARM® Cortex®-M3S 1000 | Stellaris® ARM® Cortex®-M3S 1000 | Stellaris® ARM® Cortex®-M3S 2000 |
| 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 |
| 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 .
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