Key facts
- Brand
- Linear Technology
- Model
- LT3431
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-08-06
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DatasheetLINEAR LT3431 handbook
LINEAR LT3431 handbook
Datasheet
This datasheet introduces LT3431, a high voltage, 3A, 500kHz step-down switching regulator. It features a wide input range (5.5V to 60V), 3A peak switch current, small thermally enhanced 16-pin TSSOP package, constant 500kHz switching frequency, saturated switch design (0.1Ω), peak switch current maintained over full duty cycle range, effective supply current 2.5mA, shutdown current 30µA, 1.2V feedback reference voltage, easily synchronized, cycle-by-cycle current limiting and more.
Read onlineLinear Technology LT3431 specifications
| Input voltage range | 5.5 V to 60 V |
|---|---|
| Peak switch current | 3 A |
| Switching frequency | 500 kHz (constant) |
| Supply current (typical) | 2.5 mA |
| Shutdown current | 30 pA |
| Feedback reference voltage | 1.2 V |
| Package | 16‑lead plastic TSSOP (4.4 mm) with exposed pad |
All Linear Technology LT3431 documents by type
Datasheet 1
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the input voltage range of the LT3431?
The LT3431 operates from 5.5 V up to 60 V input.
What is the switching frequency of the LT3431?
It uses a constant 500 kHz switching frequency.