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CJ6211A18N

Public Made by Adom

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

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CJ6211A18N

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

CJ6211A18N from Changjing, in a SOT-23. 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 of the regulator.
2 VOUT power_out Regulated output pin; output voltage range is 0.8V to 5.0V and maximum output current is 700mA per the absolute maximum ratings.
3 VIN power_in Power input pin; supply voltage range is 1.8V to 6.0V.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23
Category Power Management (PMIC)
Pins 3

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 7 V 3
Output Voltage VOUT -0.3 V 3
Output Current IOUT 700 mA 3
Operating free air temperature range TA -40 85 °C 3
Operating Junction Temperature Range TJ -40 125 °C 3
Storage Temperature Tstg -40 125 °C 3
Lead Temperature Tsolder 260 °C Soldering, 10 sec 3
ESD rating Human Body Model 2 kV Human Body Model (HBM) 3
ESD rating Machine Model 200 V Machine Model (MM) 3
Supply Voltage at VIN VIN 1.8 6 V 3
Operating Junction Temperature Range Tj 0 125 °C 3
Operating Free Air Temperature Range TA 0 85 °C 3
Power Dissipation SOT-23 PD 0.3 W SOT-23 package 3
High Accuracy (Output Voltage) -2 2 % Printed as ±2% (Typ.) in Features 1
Supply Current ISS 50 90 μA IOUT=0 4
Standby Current ISTBY 0.1 1 μA CE = VSS 4
Output Current (VOUT≥1.8V) IOUT 500 700 mA VOUT≥1.8V 4
Line Regulation ΔVOUT/(VOUT×ΔVIN) 0.01 0.2 %/V IOUT =10mA, VOUT +1V≤VIN≤6V 4
Input Voltage VIN 1.8 6 V 4
CE "High" Voltage VCE“H” 1.5 V 4
CE "Low" Voltage VCE“L” 0.3 V 4
Dropout Voltage VDO 55 mV VOUT = 3.3V, IOUT = 100mA (stray text after footnote 6; not in row) 4
Load Regulation ΔVOUT 1 mV VIN = VOUT +1V 4
Output Voltage Temperature Coefficient ΔVOUT/(ΔT×VOUT) 50 ppm IOUT =10mA, -40≤T≤+85°C 4
Short Current IShort 100 mA VOUT =VSS 4
Power Supply Rejection Rate 100Hz PSRR 75 dB 100Hz, IOUT=50mA 4
Power Supply Rejection Rate 1kHz PSRR 80 dB 1kHz, IOUT=50mA 4
Power Supply Rejection Rate 10kHz PSRR 70 dB 10kHz, IOUT=50mA 4
Thermal Shutdown TSD 160 °C 4
Thermal Shutdown Hysteresis ΔTSD 20 °C 4
COUT Auto-Discharge Resistance RDISCHRG 100 Ω VIN=5V 4

CAD (KiCad official)

  • Symbol: CJ6211A18N
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: cj6211a18n-etched.step / cj6211a18n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj6211a18n.step / cj6211a18n.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (11 pp, sha256 805289572b9842e1, retrieved 2026-10-19, 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