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CJ6386A50MR

Changjing · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5L

CJ6386A50MR from Changjing, in a SOT-23-5L. 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 VSS power_in Ground pin for the regulator; it is the common return and the reference for VIN and VOUT.
2 VIN power_in Power input; the datasheet specifies an operating supply range of 2.5V to 45V, with an absolute maximum input of -0.3V to 50V.
3 VOUT power_out Regulated output; the output voltage range is 2.1V to 12V and output current is rated up to 250mA.
4 NC unconnected No connection.
5 NC unconnected No connection.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23-5L
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 VIN -0.3 50 V 3
Output Voltage VOUT -0.3 12 V 3
Power Dissipation PD 0.3 W SOT-23-3/5L 3
Operating Junction Temperature Range Tj 150 °C 3
Storage Temperature Tstg -65 150 °C 3
Lead Temperature Tsolder 260 °C Soldering, 10 sec 3
Supply voltage at VIN 2.5 45 V 3
Operating junction temperature range Tj -40 125 °C 3
Operating free air temperature range TA -40 85 °C 3
Output Current IOUT 250 mA 3
Input Voltage VIN 2.5 45 V 4
Output Voltage Range VOUT 2.1 12 V 4
DC Output Accuracy -2 2 % IOUT=10mA 4
DC Output Accuracy -1 1 % IOUT=10mA 4
Supply Current ISS 2 10 μA IOUT=0A 4
Line Regulation ΔVOUT/(VOUT×ΔVIN) 0.01 0.3 %/V IOUT =10mA, VOUT +1V≤VIN≤36V 4
Temperature Coefficient ΔVOUT/(VOUT×ΔTA) 50 ppm IOUT=40mA, -40°C<TA<85°C 4

CAD (KiCad official)

  • Symbol: CJ6386A50MR
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: cj6386a50mr-etched.step / cj6386a50mr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj6386a50mr.step / cj6386a50mr.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (12 pp, sha256 d7fca24d7313944f, 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