TD1507T5

@@ -0,0 +1,45 @@+# TD1507T5++**Techcode Semicon** · DC-DC Converters · TO-252-5++TD1507T5 from Techcode Semicon, in a TO-252-5. 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 | Input supply voltage. Operating range 3.6V to 45V (absolute max 45V). Bypass with a low-ESR input capacitor close to the pin. |+| 2 | Output | output | Switching output from the internal NPN power transistor (emitter). Connects to the external catch diode and inductor of the buck converter. Delivers up to 3A load current. |+| 3 | GND | power_in | Device ground reference for all internal circuitry and the switching return path. |+| 4 | FB | input | Output voltage feedback input to the internal error amplifier. For the fixed 5V version this pin ties directly to the regulated output; internal reference is 1.235V. Typical feedback bias current 10nA. |+| 5 | ON/OFF | input | TTL-compatible shutdown control. Regulator is ON when the pin is low (<0.6V typ) or left floating; regulator is OFF (standby, IQ ~80uA) when driven high (>2.0V). Absolute max -0.3V to Vin+0.3V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Techcode Semicon |+| Package | TO-252-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `TD1507T5T5`+- `TD1507T5TR`++## CAD (KiCad official)++- Symbol: `TD1507T5`+- Footprint: `Package_TO_SOT_SMD:TO-252-2`+- 3D model: TO-252-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Techcode Semicon datasheet](docs/td1507t5-datasheet.pdf) (16 pp, sha256 `606abcd595801ad9`, 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/td1507t5-datasheet.pdf)

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