LM2596DP-5.0

@@ -0,0 +1,59 @@+# LM2596DP-5.0++**HTC Korea TAEJIN Tech LM2596DP 5 0** · DC-DC Converters · SOP-8-EP++LM2596DP-5.0 from HTC Korea TAEJIN Tech LM2596DP 5 0, in a SOP-8-EP. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VIN | power_in | Positive input supply for the LM2596 step-down switching regulator. Absolute maximum 45V, operational up to 40V. Requires a suitable input bypass capacitor (typ. 470 uF, 50V) close to the pin to minimize voltage transients and supply switching currents. |+| 2 | VOUT | output | Emitter of the internal 3A switch transistor (switch node). Saturation voltage Vsat is typically 1.16 V at 3A. Connects to the external catch diode and buck inductor. PCB area at this node should be minimized to reduce switching noise coupling. |+| 3 | GND | power_in | Circuit ground pin. Exposed pad of the SOP-8PP package must also be externally connected to GND for thermal and electrical grounding. |+| 4 | FEEDBACK | input | Senses the regulated output voltage to close the feedback loop. In the fixed 5.0V version, the internal resistor divider (R2, R1) drives the internal error amplifier's non-inverting input; connect this pin directly to the +5.0V output rail. |+| 5 | ON/OFF | input | TTL-compatible shutdown input. Threshold is typically 1.3 V; driving above threshold (up to +Vin) shuts the regulator off, dropping supply current to ~80 uA standby. Pulling below 1.3 V or leaving open enables the regulator (on state). |+| 6 | NC | unconnected | No connect. Leave unconnected. |+| 7 | NC | unconnected | No connect. Leave unconnected. |+| 8 | NC | unconnected | No connect. Leave unconnected. |+| 9 | EP | power_in | Exposed thermal pad on the underside of the SOP8-PP package. Must be externally connected to GND for both thermal dissipation and electrical grounding. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HTC Korea TAEJIN Tech LM2596DP 5 0 |+| Package | SOP-8-EP |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `LM2596DP-5.0`+- `LM2596DP-5.0LM2596DP-3.3`+- `LM2596DP-5.0LM2596DP-12`+- `LM2596DP-5.0LM2596DP-ADJ`+- `LM2596DP-5.0LM2596T-5.0`+- `LM2596DP-5.0LM2596T-3.3`+- `LM2596DP-5.0LM2596T-12`+- `LM2596DP-5.0LM2596T-ADJ`+- `LM2596DP-5.0LM2596R-5.0`+- `LM2596DP-5.0LM2596R-3.3`+- `LM2596DP-5.0LM2596R-12`+- `LM2596DP-5.0LM2596R-ADJ`++## CAD (KiCad official)++- Symbol: `LM2596DP-5.0`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOP-8-EP (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HTC Korea TAEJIN Tech LM2596DP 5 0 datasheet](docs/lm2596dp-5-0-datasheet.pdf) (10 pp, sha256 `3a288026e0f41aae`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/lm2596dp-5-0-datasheet.pdf)

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