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CJ78L15C-TAB-ABG

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Changjing Linear Voltage Regulators (LDO), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CJ78L15C-TAB-ABG

Changjing · Linear Voltage Regulators (LDO) · TO-92

CJ78L15C-TAB-ABG from Changjing, in a TO-92. 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 OUT output Output of the regulator, specified at 15.00V nominal (14.25V to 15.75V over temperature) and up to 100mA output current for the CJ78L15C.
2 GND power_in Regulator ground, which is the network ground reference for all voltages on the device.
3 IN input Input to the device, with a recommended input voltage range of 17.5V to 30V and an absolute maximum input voltage of 35V for the CJ78L15C.

Key specifications

Parameter Value
Manufacturer Changjing
Package TO-92
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
Output voltage VOUT 14.55 15 15.45 V TJ = 25°C, ±3% grade 13
Output voltage VOUT 14.25 15 15.75 V VIN = 17.5 to 30V, TJ = -40 to 125°C, IOUT = 1 to 100mA, PD ≤ 0.75W 13
Output current IOUT 100 mA TJ = 25°C 13
Quiescent current IQ 3 6 mA IOUT = 0mA 13
Quiescent current change ΔIQ 1.5 mA VIN = 20 to 30V, TJ = -40 to 125°C 13
Quiescent current change ΔIQ 0.1 mA IOUT = 1 to 40mA, TJ = -40 to 125°C 13
Dropout voltage VDO 1.7 2 V IOUT = 40mA 13
Dropout voltage VDO 1.8 2.3 V IOUT = 100mA 13
Line regulation ΔVLINE 25 250 mV VIN = 17.5 to 30V 13
Load regulation ΔVLOAD 25 150 mV IOUT = 1 to 100mA 13
Ripple rejection RR 34 39 dB VIN = 18.5 to 28.5V, f = 120Hz 13
Input voltage VIN 35 V CJ78L15C 6
Operating junction temperature TJ -40 125 °C 6
Maximum input voltage VIN MAX 36 V 6
Maximum junction temperature TJ Max 150 °C 6
Storage temperature Tstg -65 150 °C 6
Soldering temperature Tsolder 260 °C 10s 6
Junction-to-ambient thermal resistance RΘJA 167.2 °C/W TO-92 package 7
Junction-to-case thermal resistance RΘJC 40.3 °C/W TO-92 package 7
Reference maximum power dissipation for continuous operation PD Ref 0.6 W TO-92 package, TA = 25°C, still air, 1 in² FR-4 board 7

CAD (KiCad official)

  • Symbol: CJ78L15C-TAB-ABG
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: cj78l15c-tab-abg-etched.step / cj78l15c-tab-abg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj78l15c-tab-abg.step / cj78l15c-tab-abg.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (30 pp, sha256 ccb056fb5d1abe3f, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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