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CJ7536

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Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CJ7536

Changjing · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

CJ7536 from Changjing, in a SOT-89-3. 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 Ground terminal, which is the network ground reference for all voltages on the device (absolute maximum ratings note 2).
2 IN power_in Input supply pin; the recommended supply voltage at VIN is 2.5V to 36V, with an absolute maximum input voltage of -0.3V to 40V.
3 OUT power_out Regulated output pin; absolute maximum VOUT is -0.3V to 13V, and a 1µF tantalum capacitor from OUT to GND placed close to the pins is required for loop stability.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-89-3
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 40 V 2
Output Voltage VOUT -0.3 13 V 2
Power Dissipation PD 0.6 W 2
Operating Ambient Temperature Range TA -40 85 °C 2
Storage Temperature Tstg -40 125 °C 2
Lead Temperature (Soldering) Tsolder 260 °C Soldering, 10 sec 2
Operating Junction Temperature Range Tj -40 125 °C 2
Supply voltage at VIN 2.5 36 V 2
Operating junction temperature range, Tj -40 125 °C 2
Operating free air temperature range, TA -40 85 °C 2
Input Voltage VIN 2.5 36 V 2
DC Output Accuracy (±2% grade) -2 2 % IOUT=10mA 2
DC Output Accuracy (±1% grade) -1 1 % IOUT=10mA 2
Supply Current ISS 2 5 μA IOUT=0A 2
Line Regulation 0.01 0.3 %/V IOUT =10mA, VOUT +1V≤VIN≤36V 2

CAD (KiCad official)

  • Symbol: CJ7536
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: cj7536-etched.step / cj7536-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj7536.step / cj7536.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (6 pp, sha256 787ca2e13ae99470, 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