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Contents

README

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TNY288PG

POWER INTEGRATIONS · AC-DC Controllers and Regulators · DIP-8C

TNY288PG from POWER INTEGRATIONS, in a DIP-8C. 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 EN/UV input ENABLE/UNDERVOLTAGE input. Dual-function pin: enable input and line undervoltage sense. Internal source follower clamps at ~1.2 V; threshold current 75-115 uA disables switching (ON/OFF control). An external resistor from the DC line can be tied here to enable line UV sense (>25 uA to initiate switching).
2 BP/M power_in BYPASS/MULTI-FUNCTION pin. Connection for external bypass capacitor for internally generated 5.85 V supply. Capacitor value also selects current limit (0.1 uF = standard, 1 uF = reduced, 10 uF = increased). A 6.4 V shunt clamp allows OVP latch shutdown when current into pin exceeds ISD.
4 D power_in DRAIN pin of the integrated 725 V power MOSFET. Provides internal operating current for both start-up and steady-state operation via the internal high-voltage current source to the BP/M capacitor. Connects to the transformer primary in a typical flyback topology.
5 S power_in SOURCE pin. Internally connected to the output MOSFET source for high-voltage power return and control-circuit common. Pins 5, 6, 7, 8 are all SOURCE (tied together internally) and simplify heat sinking to the PCB.
6 S power_in SOURCE pin. Internally tied to the MOSFET source; serves as power return and PCB thermal path.
7 S power_in SOURCE pin. Internally tied to the MOSFET source; serves as power return and PCB thermal path.
8 S power_in SOURCE pin. Internally tied to the MOSFET source; serves as power return and PCB thermal path.

Key specifications

Parameter Value
Manufacturer POWER INTEGRATIONS
Package DIP-8C
Category PMIC
Pins 7

Ordering variants

Same part, different packaging or reel option.

  • TNY288PGP
  • TNY288PG
  • TNY288PGD
  • TNY288PGDG
  • TNY288PGK
  • TNY288PGKG

CAD (KiCad official)

  • Symbol: TNY288PG
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8C (KiCad packages3D, STEP)
  • 3D model files: tny288pg-etched.step / tny288pg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tny288pg.step / tny288pg.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: POWER INTEGRATIONS datasheet (26 pp, sha256 9117cb81a319b0d4, 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