DIO6305BCST6 from DIOO, in a SOT-23-6. 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	SW	passive	Boost and rectifying switch node. Connect the external boost inductor (typ. 4.7µH) between VCC and this pin. Internal power MOSFETs switch at 1.2MHz; switch current limit is typ. 1.1A.
2	GND	power_in	Power ground. Return for the internal power MOSFETs and control circuitry. Should be connected to the system ground plane close to the input and output capacitors.
3	EN	input	Enable control. Pull high to turn the converter on; drive low to shut down (<1µA shutdown current). VIH ≥ 1.6V, VIL ≤ 0.4V (1.8V logic compatible). Do not float.
4	FB	input	Output voltage feedback pin. Connect the mid-point of an external resistor divider from VOUT to GND here to program the output voltage. Regulation reference is 500mV (typ., 485-519mV). R2 recommended 100kΩ.
5	VOUT	power_out	Boost converter output. Connect the output filter capacitor (4.7µF-22µF ceramic, typ. 10µF) here. Adjustable up to 5.25V; output is internally clamped at ~6V. Provides true load disconnect during shutdown.
6	VCC	power_in	Boost converter supply voltage input, 2.7V to 5.25V. Connect the input decoupling capacitor (≥10µF ceramic) close to this pin. Also serves as the source side of the boost inductor path.

Key specifications

Parameter	Value
Manufacturer	DIOO
Package	SOT-23-6
Category	PMIC
Pins	6

Ordering variants

Same part, different packaging or reel option.

DIO6305BCST6

CAD (KiCad official)

Symbol: DIO6305BCST6
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-23-6 (KiCad packages3D, STEP)

Provenance

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

Datasheet: DIOO datasheet (10 pp, sha256 403d983cf018071b, 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