Key facts
- Brand
- HTC
- Model
- LM2596
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-01
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HTC LM2596 Step-Down Switching Regulator Datasheet
The LM2596 series is a monolithic step‑down (buck) switching regulator available in TO‑220, TO‑220V, TO‑263 (D2) and other packages. It provides up to 3.0 A output current, a wide input voltage range, and requires only four external components.
The document includes electrical characteristics, absolute maximum ratings, typical application circuits, layout guidelines, pin descriptions, and mechanical dimensions for each package.
HTC LM2596 specifications
| Maximum Supply Voltage (Vin) | 45 V |
|---|---|
| Output Current (continuous) | 3.0 A |
| Typical Efficiency (12 V in, 3 A out) | 73 % (3.3 V version) |
| Typical Efficiency (15 V in, 3 A out) | 90 % (12 V version) |
| Typical Efficiency (18 V in, 3 A out) | 98 % (15 V version) |
| Standby Current (ON/OFF pin high) | ≈80 µA |
| Thermal Resistance, Junction‑to‑Ambient (TO‑220) | 65 °C/W |
All HTC LM2596 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum output current of the LM2596?
The LM2596 can deliver a continuous output current of up to 3.0 A.
What is the standby current when the regulator is shut down?
When shut down, the regulator draws about 80 µA of standby current.
What is the maximum output current of the LM2596?
The LM2596 is guaranteed to deliver up to 3 A of output current.
What is the typical efficiency of the LM2596 15 V version?
The 15 V version can reach up to 98 % efficiency under the specified test conditions.