DS8201-50S5 from DSTECH, in a SOT23-5. 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	VIN	power_in	Power supply input. Absolute maximum 125 V to GND; recommended operating range 3.0 V to 110 V. Place a >=1 uF ceramic cap close to this pin and GND.
2	GND	power_in	Device ground reference.
3	EN	input	Enable control input. VIH >= 3.0 V (rising) turns the regulator on; VIL <= 0.6 V (falling) puts the chip into shutdown (~100 nA typ). IEN typ 10 nA at VEN=36 V. Do not float; pull high (e.g. via a 1K series resistor) to enable.
4	SNS	input	Output voltage sense/feedback input. For the fixed-output -50 variant, tie SNS to VOUT for 5.0 V regulation. Can also be driven by an external R1/R2 divider from VOUT for adjustable outputs (1.8 V to 24 V); divider current should be >50 uA. ISNS typ 0.85 uA.
5	VOUT	power_out	Regulated LDO output. Fixed 5.0 V for the -50 option, up to 80 mA. Current-limited to ~140 mA typ. Place a 1 uF to 22 uF output capacitor (ceramic or tantalum, ESR >= 1 mOhm) close to the pin.

Key specifications

Parameter	Value
Manufacturer	DSTECH
Package	SOT23-5
Category	PMIC
Pins	5

Ordering variants

Same part, different packaging or reel option.

DS8201-50S5
DS8201-50S5A3
DS8201-50S5F8
DS8201-50S5B8

CAD (KiCad official)

Symbol: DS8201-50S5
Footprint: Package_TO_SOT_SMD:SOT-23-5
3D model: SOT23-5 (KiCad packages3D, STEP)

Provenance

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

Datasheet: DSTECH datasheet (13 pp, sha256 53613125cec676a8, retrieved 2026-08-17, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
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