APR34709SP-13

@@ -0,0 +1,48 @@+# APR34709SP-13++**Diodes Incorporated** · Supervisor and Reset ICs · SO-8-EP++APR34709SP-13 from Diodes Incorporated, in a SO-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 | AREF | input | Programs a voltage reference via an external resistor from AREF to GND to enable the synchronous rectification MOSFET drive signal. VAREF absolute max -0.3 to 7V. |+| 2 | DRISR | output | Synchronous rectification MOSFET gate drive output. Drive voltage tracks VCC/VDD (e.g., VCC-0.1V for 4.75V<VCC<5.5V). VDRISR absolute max -0.3 to 7V. |+| 3 | VDD | power_out | Internal power supply output providing bias for internal logic and the MOSFET driver. Connect a decoupling capacitor to this pin. Internal supply typ 5.5V max. |+| 4 | VCC | power_in | Power supply pin, connected to the system output. Input to the internal LDO and system output voltage sensing circuit. Recommended 3.3V to 16V (abs max 28V). |+| 5 | DRAIN | passive | Drain pin of the internal N-channel MOSFET. The drain voltage signal is available at this pin. Also connected to the Exposed Pad for thermal/current path. Abs max 60V. |+| 6 | VDET | input | Synchronous rectification sense input and dynamic function output; connect to DRAIN through a resistor. ESD sensitive. Abs max -2 to 60V. |+| 7 | GND | power_in | Source pin of the internal MOSFET, connected to Ground. Secondary current should flow from GND (pins 7 and 8) to the exposed DRAIN pad. |+| 8 | GND | power_in | Source pin of the internal MOSFET, connected to Ground. Secondary current should flow from GND (pins 7 and 8) to the exposed DRAIN pad. |+| EP | DRAIN | passive | Exposed thermal pad, electrically connected to the DRAIN of the internal MOSFET. Secondary current should flow from GND (pins 7 and 8) to this DRAIN pad. Must be soldered to the PCB for current handling and thermal dissipation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SO-8-EP |+| Category | PMIC |+| Pins | 9 |++## Ordering variants++- `APR34709SP-13SP-13`++## CAD (KiCad official)++- Symbol: `APR34709SP-13`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SO-8-EP (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/APR34709SP-13.pdf) (11 pp, sha256 `bcc52a50ee52b80c`, 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/apr34709sp-13-datasheet.pdf)

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