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CJ6330A36M

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

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CJ6330A36M

Changjing · Linear Voltage Regulators (LDO) · SOT-23-3L

CJ6330A36M from Changjing, in a SOT-23-3L. 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 GND power_in Regulator ground.
2 OUT power_out Regulator output; an output capacitor of the recommended value must be placed between OUT and GND, as close to the pins as possible, to keep the output stable and give the best transient response.
3 IN power_in Input to the device (2.5V to 18V recommended); place the recommended input capacitor as close to IN and GND as possible for best transient response and minimum input impedance.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23-3L
Category Power Management
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 2.5 18 V TA = 25°C 10
DC output tolerance -2 2 % TJ = 25°C, IOUT = 1mA 10
Output current IOUT 300 mA TJ = 25°C 10
Quiescent current IQ 2 5 µA IOUT = 0mA 10
Dropout voltage VDO 160 270 mV VOUT = 3.0 to 3.6V, IOUT = 100mA 10
Line regulation LNR 0.01 0.3 %/V VIN = VOUT +1V to 18V, IOUT = 10mA 10
Output current limit ILimit 350 500 mA VOUT = 0.5 × VOUT Normal, VIN = 5.0V 10
Standby current ISTBY 0.2 µA EN = GND 10
EN high VEN H 1.5 V 10
EN low VEN L 0.3 V 10
Input voltage VIN 2.5 18 V 8
Operating junction temperature TJ -40 125 °C 8
Operating ambient temperature TA -40 85 °C 8
Input voltage range VIN -0.3 24 V TA = 25°C 8
Enable input voltage range VEN -0.3 24 V TA = 25°C 8
Output voltage range VOUT -0.3 10 V TA = 25°C 8
Maximum junction temperature TJ Max 125 °C TA = 25°C 8
Storage temperature Tstg -40 125 °C TA = 25°C 8
Soldering temperature Tsolder 260 °C 10s 8
ESD human body model VESD-HBM 2000 V 8
ESD machine model VESD-MM 200 V 8
Junction-to-ambient thermal resistance RΘJA 261.2 °C/W SOT-23-3L 9
Junction-to-case thermal resistance RΘJC 65.7 °C/W SOT-23-3L 9
Reference maximum power dissipation PD Ref 0.38 W SOT-23-3L 9
Load regulation ΔVLOAD 10 mV VIN = VOUT +1V, IOUT = 1 to 100mA 10
Temperature characteristics TR 50 ppm/°C IOUT = 10mA, TA = -40 to 125°C 10
Short current IShort 75 mA OUT short to GND 10
Power supply rejection ratio PSRR 75 dB IOUT = 50mA, VIN = (VOUT +1.5V) DC + 1VPP AC, f = 100Hz 10
Power supply rejection ratio PSRR 65 dB IOUT = 50mA, VIN = (VOUT +1.5V) DC + 1VPP AC, f = 1kHz 10
Power supply rejection ratio PSRR 50 dB IOUT = 50mA, VIN = (VOUT +1.5V) DC + 1VPP AC, f = 10kHz 10
Power supply rejection ratio PSRR 40 dB IOUT = 50mA, VIN = (VOUT +1.5V) DC + 1VPP AC, f = 100kHz 10
COUT auto-discharge resistance RDischarge 150 Ω VIN = 5.0V, VOUT = 3.0V, EN = GND 10
Thermal shutdown TSD 150 °C 10
Thermal shutdown hysteresis ∆TSD 20 °C 10

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper • Place the input and output capacitors as close to the pins of the device as possible; • The device is connected by copper plane and the heat sink (or back pad) of the device is fully welded with 25

CAD (KiCad official)

  • Symbol: CJ6330A36M
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)
  • 3D model files: cj6330a36m-etched.step / cj6330a36m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj6330a36m.step / cj6330a36m.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (35 pp, sha256 ef1dd74aa3b7af80, retrieved 2026-10-23, tier: lcsc)
  • 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