XL2596S-ADJE1

@@ -0,0 +1,51 @@+# XL2596S-ADJE1++**XLSEMI** · DC-DC Converters · TO-263-5++XL2596S-ADJE1 from XLSEMI, in a TO-263-5. 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 | Supply Voltage Input Pin. Operates from a 4.5V to 40V DC voltage (absolute max 45V). Bypass VIN to GND with a suitably large capacitor (e.g., 470uF/35V) to eliminate noise on the input. |+| 2 | OUTPUT | output | Power Switch Output Pin (SW). This is the internal switch node that supplies power to the output through the external inductor and Schottky diode. Rated for 3A continuous. |+| 3 | GND | power_in | Ground Pin. Care must be taken in layout. This pin should be placed outside of the Schottky Diode to output capacitor ground path to prevent switching ground-current spikes from inducing voltage noise into the XL2596. Metal tab is also GND. |+| 4 | FEEDBACK | input | Feedback Pin (FB). Through an external resistor divider network, FEEDBACK senses the output voltage and regulates it. The feedback threshold voltage is 1.23V (typ). Absolute max -0.3V to VIN. |+| 5 | ON/OFF | input | Enable Pin. Drive ON/OFF pin low to turn on the device; drive it high to turn it off. Floating is default low (enabled). TTL-compatible with hysteresis. Absolute max -0.3V to VIN. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | XLSEMI |+| Package | TO-263-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `XL2596S-ADJE1S-ADJE1`+- `XL2596S-ADJE1S-3.3E1`+- `XL2596S-ADJE1S-5.0E1`+- `XL2596S-ADJE1S-12E1`+- `XL2596S-ADJE1T-ADJE1`+- `XL2596S-ADJE1T-3.3E1`+- `XL2596S-ADJE1T-5.0E1`+- `XL2596S-ADJE1T-12E1`++## CAD (KiCad official)++- Symbol: `XL2596S-ADJE1`+- Footprint: `Package_TO_SOT_SMD:TO-263-2`+- 3D model: TO-263-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [XLSEMI datasheet](docs/xl2596s-adje1-datasheet.pdf) (14 pp, sha256 `c2a385c60d33d0a3`, retrieved 2026-08-17, tier: manufacturer)+- **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/xl2596s-adje1-datasheet.pdf)

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