Texas Instruments LM27402SQ/NOPB Microcontrollers
3-20V, Voltage Mode Synchronous Buck Controller with DCR Current Sensing 16-WQFN -40 to 125
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM27402SQ/NOPB
Detailed Description
3-20V, Voltage Mode Synchronous Buck Controller with DCR Current Sensing 16-WQFN -40 to 125
Package
16-WQFN Exposed Pad
Lifecycle Status
Active
Datasheet
LM27402SQ/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM27402SQ/NOPB Microcontrollers technical specifications.
General
Package / Case
16-WQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
3V ~ 20V
Output Type
Transistor Driver
Switching Frequency
200kHz ~ 1.2MHz
Number of Outputs
1
Topology
Buck
Control Features
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Output Configuration
Positive
Alternate Parts Comparison (LM27402SQ/NOPB vs LM51501QRUMTQ1 vs TMUX6211RUMR vs TMUX7213RUMR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-WQFN Exposed Pad | 16-WQFN Exposed Pad | 16-WQFN Exposed Pad | 16-WQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Switching Frequency | 200kHz ~ 1.2MHz | 220kHz ~ 2.3MHz | -- | -- |
| Function | Step-Down | Step-Up | -- | -- |
| Number of Outputs | 1 | 1 | -- | -- |
| Output Configuration | Positive | Positive | -- | -- |
| Output Type | Transistor Driver | Adjustable | -- | -- |
| Synchronous Rectifier | Yes | No | -- | -- |
| Topology | Buck | Boost | -- | -- |
| Supply Voltage | 3V ~ 20V | -- | -- | -- |
| Clock Sync | Yes | -- | -- | -- |
| 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.
LM51501QRUMTQ1Texas InstrumentsDC/DC Cntrlr Single-OUT Step Up 2500kHz Automotive 16-Pin WQFN EP T/R