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IBSP3032ADJST5AR00

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Inbisen Linear Voltage Regulators (LDO), SOT23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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IBSP3032ADJST5AR00

Inbisen · Linear Voltage Regulators (LDO) · SOT23-5

IBSP3032ADJST5AR00 from Inbisen, in a SOT23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN power_in Regulator input supply for 2.7 V to 20 V operation, to be bypassed to GND with a 2.2 uF or larger capacitor.
2 GND power_in Ground.
3 NC unconnected No connect (empty pin); this SOT23-5② variant has no EN pin and the regulator is always enabled.
4 ADJ input Sense input connected to the load, with an external resistor divider setting the output voltage (1.2 V reference, recommended R2 below 200 kΩ), rated -0.3 V to +5.5 V.
5 OUT power_out Regulator output voltage, to be bypassed to GND with a 2.2 uF or larger capacitor, delivering up to 300 mA.

Key specifications

Parameter Value
Manufacturer Inbisen
Package SOT23-5
Category Power Supply Chip
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input voltage range VIN 2.7 20 V 2
Output voltage accuracy VOUT -1 1 % VIN=(VOUT+1V) or 2.7V, VOUT=5V, IOUT=10mA, TA=25C 2
VIN absolute maximum VIN to GND -20 20 V 11
VOUT absolute maximum VOUT to GND -0.3 V max is VIN 11
EN absolute maximum EN to GND -0.3 V max is VIN 11
ADJ absolute maximum ADJ to GND -0.3 5.5 V 11
Storage temperature range -65 150 °C 11
Junction temperature TJ 150 °C 11
Operating ambient temperature range TA -40 125 °C 11
Operating temperature range -40 125 °C ordering table 13
Thermal resistance junction-ambient SOT23-5 θJA 182 ℃/W SOT23-5 12
Thermal resistance junction-case SOT23-5 θJC 70 ℃/W SOT23-5 12
Ground current IGND 40 uA IOUT = 0uA 2
Ground current IGND 140 uA IOUT = 10mA 2
Ground current IGND 1 mA IOUT = 300mA 2
Shutdown current IGND-SD 1.2 uA EN=GND 2
Line regulation ΔVOUT/ΔVIN 0.002 %/V VIN =(VOUT+1V) to 20V 2
Load regulation ΔVOUT/ΔIOUT 0.002 %/mA IOUT = 100uA to 300mA 2
Dropout voltage VDROPOUT 67 mV IOUT = 50mA 2
Dropout voltage VDROPOUT 203 mV IOUT = 150mA 2
Dropout voltage VDROPOUT 450 mV IOUT = 300mA 2
Start-up time tSTART-UP 380 us 2
Current limit threshold ILIMIT 480 mA 3
Thermal shutdown threshold TSSD 150 ℃ TJ rising 3
Thermal shutdown hysteresis TSSD-HYS 15 ℃ 3
UVLO rising threshold UVLORISE 2.5 V input rising 3
UVLO falling threshold UVLOFALL 2.2 V input falling 3
UVLO hysteresis UVLOHTS 300 mV 3
EN high threshold ENHIGH 1.2 V 2.7V ≤ VIN ≤ 20V 3
EN low threshold ENLOW 1.1 V 2.7V ≤ VIN ≤ 20V 3
EN logic hysteresis ENHYS 100 mV 2.7V ≤ VIN ≤ 20V 3
EN delay time tEN-DLY 80 us EN from 0V rising to VIN is 0.1×VOUT 3
Output noise OUTNOISE 10 uVrms 10Hz to 100kHz 3
PSRR PSRR 58 dB 1MHz, VIN = 7V, VOUT = 5V 3
PSRR PSRR 62 dB 100kHz, VIN = 7V, VOUT = 5V 3
PSRR PSRR 91 dB 10kHz, VIN = 7V, VOUT = 5V 3
PSRR PSRR 105 dB 10Hz, VIN = 7V, VOUT = 5V 3

CAD (KiCad official)

  • Symbol: IBSP3032ADJST5AR00
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT23-5 (KiCad packages3D, STEP)
  • 3D model files: ibsp3032adjst5ar00-etched.step / ibsp3032adjst5ar00-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ibsp3032adjst5ar00.step / ibsp3032adjst5ar00.glb are the bare package body.

Provenance

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

  • Datasheet: Inbisen datasheet (16 pp, sha256 75616965beb23546, retrieved 2026-10-23, 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: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF