TPS78101DDCR

@@ -0,0 +1,47 @@+# TPS78101DDCR++**Texas Instruments** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TSOT-23-5++TPS78101DDCR from Texas Instruments, in a TSOT-23-5. 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 | IN | power_in | Input supply pin, 2.2V to 5.5V operating range (6.0V absolute max). Requires a small ceramic input capacitor (typ 1.0µF) to ground for stability; input and output capacitor grounds should be tied back to the IC ground with no significant impedance between them. |+| 2 | GND | power_in | Ground reference pin. Ground pin current is typically 1.0µA at IOUT = 0mA and 8µA at IOUT = 150mA; drops to ~18nA in shutdown. |+| 3 | EN | input | CMOS-logic-compatible enable input. Driving EN above 1.2V (VHI) turns the regulator on; driving EN below 0.4V (VLO) puts the regulator into shutdown, reducing operating current to ~18nA typical. EN absolute max is VIN + 0.3V or 6.0V, whichever is less. EN pin current is typically 40nA at VEN = VSET = 5.5V. |+| 4 | VSET/FB | input | Dual-function pin: on adjustable versions (TPS78101) this is the feedback (FB) input tied to the external resistor divider from OUT; internal reference VFB = 1.216V. On fixed-voltage/dual-level versions this is the VSET select pin - driving VSET below 0.4V selects VOUT(HIGH); driving VSET above 1.2V selects VOUT(LOW). VSET pin current is typically 70nA at VEN = VSET = 5.5V. |+| 5 | OUT | power_out | Regulated output voltage pin, 150mA maximum. Requires a small (1µF typ) ceramic capacitor from OUT to GND for stability. Dropout voltage is 250mV max at 150mA; internal current limit is 150-400mA (typ 230mA) at 0.90 × VOUT(NOM). Adjustable range 1.22V (VFB) to 5.25V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSOT-23-5 |+| Category | PMIC |+| Pins | 5 |++## Ordering variants++- `TPS78101DDCRDDCR`+- `TPS78101DDCRDDCT`+- `TPS78101DDCRDRVR`+- `TPS78101DDCRDRVT`++## CAD (KiCad official)++- Symbol: `TPS78101DDCR`+- Footprint: `Package_TO_SOT_SMD:SOT-23-5`+- 3D model: TSOT-23-5 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tps78101ddcr.pdf) (28 pp, sha256 `b3bc91f74778dc8b`, 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/tps78101ddcr-datasheet.pdf)

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