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Contents

README

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SSP9193-33M5R

Shanghai Siproin Microelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

SSP9193-33M5R from Shanghai Siproin Microelectronics, in a SOT-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 VIN power_in Power input voltage. Recommended operating range 2.5V to 5.5V. Bypass to GND with a 1uF (X7R) ceramic capacitor placed close to the pin.
2 GND power_in Device ground reference. Common return for VIN, VOUT, EN and BP.
3 EN input Chip Enable (active high). VIH >= 1.2V enables the regulator; VIL <= 0.4V shuts it down (standby <0.01uA typ). High-impedance input; must not float - tie to VIN or via a 100k pull-down to GND. EN input voltage range 0V to 5.5V.
4 BP passive Reference noise bypass. May be left floating; for lowest output noise (100uVRMS) connect a 22nF ceramic capacitor from BP to GND.
5 VOUT power_out Regulated output voltage. Factory-trimmed to 3.3V (±2%) for the -33 option. Output current capability 400mA typ / 500mA max (Vin-Vout=1V). Requires a >=1uF (X7R) ceramic output capacitor to GND placed close to the pin for phase compensation.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-23-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • SSP9193-33M5R

CAD (KiCad official)

  • Symbol: SSP9193-33M5R
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ssp9193-33m5r-etched.step / ssp9193-33m5r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ssp9193-33m5r.step / ssp9193-33m5r.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (5 pp, sha256 5f97ec3254b903c5, 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