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FP6186S5

Public Made by Adom

by adom

Fitipower Integrated Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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FP6186S5

Fitipower Integrated Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

FP6186S5 from Fitipower Integrated Tech, in a SOT-23-5. 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 VIN power_in Supply voltage input, specified for 1.7V to 5.5V, with absolute maximum VIN to GND of -0.3V to +6V.
2 GND power_in Ground reference pin for the regulator.
3 EN input Chip enable input: pull high to enable and pull low or leave floating to disable; TTL/CMOS compatible with VEN(ON) of 1V minimum and VEN(OFF) of 0.4V maximum.
4 FB input Feedback pin for the external resistor divider that sets the output voltage, with VFB of 0.79V to 0.81V (0.8V typical) at IOUT = 10mA.
5 VOUT power_out LDO regulated output rated for 300mA, requiring a minimum 1µF X7R or X5R ceramic output capacitor for stability.

Key specifications

Parameter Value
Manufacturer Fitipower Integrated Tech
Package SOT-23-5
Category Power Management (PMIC)
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 1.7 5.5 V 4
Output Voltage Accuracy ΔVOUT -1.25 1.25 % IOUT = 10mA 4
Feedback Reference VFB 0.79 0.8 0.81 V IOUT = 10mA 4
Current Limit ILIM 0.45 A RLOAD=0Ω, 2.2V≦VIN≦5.5V 4
Quiescent Current IQ 60 μA VEN=5V, IOUT=0A 4
Standby Current ISTBY 0.1 1 μA VEN=0V 4
Dropout Voltage VDROP 700 910 mV IOUT=300mA; VOUT =1.2V 4
Dropout Voltage VDROP 400 520 mV IOUT=300mA; VOUT =1.5V 4
Dropout Voltage VDROP 290 380 mV IOUT=300mA; VOUT =1.8V 4
Dropout Voltage VDROP 260 340 mV IOUT=300mA; VOUT =2.5V 4
Dropout Voltage VDROP 240 310 mV IOUT=300mA; VOUT =2.7V 4
Dropout Voltage VDROP 220 290 mV IOUT=300mA; VOUT =3.0V 4
Dropout Voltage VDROP 200 260 mV IOUT=300mA; VOUT =3.3V 4
Line Regulation ΔVLINE 1 8 mV IOUT=1mA, VIN=VOUT +1V to 5V 4
Load Regulation ΔVLOAD 6 30 mV IOUT =0 ~ 300mA 4
EN Threshold Start-up VEN(ON) 1 V Start-up 4
EN Threshold Shutdown VEN(OFF) 0.4 V Shutdown 4
Enable Pin Current IEN 0.3 μA 4
Output Noise Voltage VON 50 μVRMS COUT=1μF, IOUT=0A 4
Output Discharge Resistance RDIS 60 Ω VEN=0V 4
Ripple Rejection PSRR 75 dB VIN=VOUT+1VDC+0.2VP-P(AC), fRIPPLE=1KHz, VOUT≧1.8V, IOUT=10mA 4
Thermal Shutdown Threshold TSD 145 °C 4
Thermal Shutdown Hysteresis ΔTSD 25 °C 4
Supply Voltage VIN 1.7 5.5 V 3
Output Current IOUT 300 mA 3
Operating Temperature Range -40 85 °C 3
VIN, EN to GND -0.3 6 V 3
Power Dissipation PD 0.4 W @25°C 3
Package Thermal Resistance Junction-to-Ambient θJA 250 °C/W 3
Package Thermal Resistance Junction-to-Case θJC 130 °C/W 3
Junction Temperature -40 150 °C 3
Storage Temperature Range TSTG -65 150 °C 3
Lead Temperature (Soldering) 260 °C 10 sec soldering 3

CAD (KiCad official)

  • Symbol: FP6186S5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: fp6186s5-etched.step / fp6186s5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); fp6186s5.step / fp6186s5.glb are the bare package body.

Provenance

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

  • Datasheet: Fitipower Integrated Tech datasheet (7 pp, sha256 db03f4a622d21852, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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