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CJ6101B33M

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Changjing Voltage Reference, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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CJ6101B33M

Changjing · Voltage Reference · SOT-23-5L

CJ6101B33M from Changjing, in a SOT-23-5L. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Unregulated power input, 1.8 V to 8 V (abs max 9 V). Bypass to VSS with a 1 µF ceramic capacitor close to the pin; a small series resistor (~3 Ω) may be added with an X5R ceramic to damp start-up transients.
2 VSS power_in Device ground / common return for VIN, VOUT and CE. All voltages in the datasheet are referenced to this node.
3 CE input Chip-enable logic input. On the 'B' option (CJ6101B) it is active-high with an internal pull-down resistor to VSS and an internal output-discharge resistor on VOUT, so leaving CE open keeps the regulator off. VCE(H) ≥ 1.5 V (up to VIN) enables the regulator; VCE(L) ≤ 0.3 V disables it (standby current ≈ 0.1 µA).
4 NC unconnected No internal connection. Leave floating or tie to VSS; do not use as a routing via.
5 VOUT power_out Regulated 3.3 V output, up to 300 mA continuous (600 mA absolute-max). Requires a 1 µF ceramic (or tantalum) capacitor to VSS close to the pin for loop stability; typical dropout is 110 mV at 100 mA and output noise ≈ 27 × VOUT µVRMS (10 Hz-100 kHz).

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23-5L
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • CJ6101B33MM
  • CJ6101B33MP
  • CJ6101B33MF

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 9 V 2
Output Voltage VOUT -0.3 V 2
Output Current IOUT 600 mA 2
Operating Ambient Temperature Range TA -40 85 °C 2
Storage Temperature Tstg -40 125 °C 2
Soldering Temperature Tsolder 260 10s 2
Operating Junction Temperature Range Tj -40 125 °C 2
Supply voltage at VIN VIN 1.8 8 V 3
Operating junction temperature range Tj -40 125 °C 3
Operating free air temperature range TA -40 85 °C 3
Input Voltage VIN 1.8 8 V 3
Output Voltage Range VOUT 1.2 5 V 3
DC Output Accuracy -2 2 % IOUT=1mA 3
DC Output Accuracy -1 1 % IOUT=1mA 3
Supply Current ISS 0.6 0.7 1.3 μA IOUT=0, 1.2V≤VOUT≤3.3V 3
Line Regulation ∆VOUT/(VOUT×∆VIN) 0.05 0.3 %/V IOUT =10mA, VOUT +1V≤VIN≤8V 3
Output Current Limit ILIM 550 700 850 mA VOUT= 0.5 x VOUT(Normal) , VIN = 5V 3
CE "High" Voltage VCE“H” 1.5 V 3
CE "Low" Voltage VCE“L” 0.3 V 3

CAD (KiCad official)

  • Symbol: CJ6101B33M
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: cj6101b33m-etched.step / cj6101b33m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj6101b33m.step / cj6101b33m.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (10 pp, sha256 0e2340656a2045f6, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF