Texas Instruments LM27403SQX/NOPB DC DC Switching Controllers
SYNCHRONOUS BUCK CONTROLLER
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LM27403SQX/NOPB
Detailed Description
SYNCHRONOUS BUCK CONTROLLER
Package
24-WFQFN Exposed Pad
Key Features
Package / Case: 24-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LM27403SQX/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LM27403SQX/NOPB DC DC Switching Controllers technical specifications.
General
Package / Case
24-WFQFN 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
Enable, Frequency Control, Power Good, Soft Start, Tracking
Output Configuration
Positive
Alternate Parts Comparison (LM27403SQX/NOPB vs LM5117PSQ/NOPB vs LM5117PSQX/NOPB vs LM5035SQ)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 3V ~ 20V | 5.5V ~ 65V | 5.5V ~ 65V | 13V ~ 105V |
| Switching Frequency | 200kHz ~ 1.2MHz | 200kHz, 480kHz | 200kHz, 480kHz | 200kHz, 500kHz |
| Clock Sync | Yes | No | No | Yes |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Tracking | Frequency Control, Ramp, Soft Start | Frequency Control, Ramp, Soft Start | Frequency Control, Ramp, Soft Start |
| Function | Step-Down | Step-Down | Step-Down | Step-Up/Step-Down |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive, Isolation Capable |
| Output Phases | 1 | 1 | 1 | 1 |
| Output Type | Transistor Driver | Transistor Driver | Transistor Driver | Transistor Driver |
| Action |
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