TNY264PN

@@ -0,0 +1,49 @@+# TNY264PN++**POWER INTEGRATIONS** · AC-DC Controllers and Regulators · DIP-8B++TNY264PN from POWER INTEGRATIONS, in a DIP-8B. 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 | BP | power_in | BYPASS pin. Connection point for a 0.1 µF external bypass capacitor to the internally generated 5.8 V supply. Also served by an internal 6.3 V shunt regulator for optional external bias-winding powering. |+| 2 | S | power_in | SOURCE pin. Control-circuit common, internally connected to the output MOSFET source. Serves as signal-ground reference for BP and EN/UV. |+| 3 | S | power_in | SOURCE pin. Control-circuit common, internally connected to the output MOSFET source. |+| 4 | EN/UV | input | ENABLE/UNDERVOLTAGE pin. Dual-function enable input and line undervoltage sense. MOSFET switching is terminated when >240 µA is drawn from this pin. An external resistor from the DC bus programs the line undervoltage threshold (~49 µA to initiate switching, ~2 µA disables the UV function). |+| 5 | D | power_in | DRAIN pin. Power MOSFET drain connection (700 V rated). Also provides internal operating current for start-up and steady-state operation, eliminating the need for a bias winding. |+| 7 | S_HV_RTN | power_in | SOURCE (HV RTN) pin. Output MOSFET source connection for high-voltage return current. Connected to the primary-side bulk return. |+| 8 | S_HV_RTN | power_in | SOURCE (HV RTN) pin. Output MOSFET source connection for high-voltage return current. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | POWER INTEGRATIONS |+| Package | DIP-8B |+| Category | PMIC |+| Pins | 7 |++## Ordering variants++- `TNY264PN`+- `TNY264PNP`+- `TNY264PNGN`+- `TNY264PNG`++## CAD (KiCad official)++- Symbol: `TNY264PN`+- Footprint: `Package_DIP:DIP-8_W7.62mm`+- 3D model: DIP-8B (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [POWER INTEGRATIONS datasheet](docs/tny264pn-datasheet.pdf) (22 pp, sha256 `97b14aa7b280edc7`, 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/tny264pn-datasheet.pdf)

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