component
CJ8833
Public Made by Adomby adom
Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownCJ8833
Changjing · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L
CJ8833 from Changjing, in a SOT-89-3L. 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 | IN | power_in | Input to the device; the input voltage range is 2.5V to 60V, and the recommended input capacitor should be placed as close to the input as possible to reduce the impedance of the input supply. |
| 3 | OUT | power_out | Regulator output; an output capacitor is required for stability and should be placed as close as possible to the output, with the output voltage range rated at -0.3 to 15V absolute maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-89-3L |
| 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 | 2.5 | 60 | V | TA = 25°C | 8 | |
| DC output tolerance | -2 | 2 | % | TJ = 25°C, IOUT = 1mA | 8 | ||
| Output current | IOUT | 150 | mA | TJ = 25°C | 8 | ||
| Quiescent current | IQ | 3 | 6 | µA | IOUT = 0mA, VOUT ≤ 5.0V | 8 | |
| Line regulation | LNR | 0.01 | 0.3 | %/V | VIN = VOUT +1V to 18V, IOUT = 10mA | 8 | |
| Output current limit | ILimit | 150 | 250 | mA | VOUT = 0.5 × VOUT Normal, VIN = 5.0V | 8 | |
| Standby current | ISTBY | 0.1 | 0.5 | µA | EN = GND | 8 | |
| EN logic high voltage | VEN H | 1.5 | V | 8 | |||
| EN logic low voltage | VEN Low | 0.3 | V | 8 | |||
| Input voltage range | VIN | -0.3 | 65 | V | 6 | ||
| Enable input voltage range | VEN | -0.3 | V | 6 | |||
| Output voltage range | VOUT | -0.3 | 15 | V | 6 | ||
| Maximum junction temperature | TJ Max | 125 | °C | 6 | |||
| Storage temperature | Tstg | -40 | 125 | °C | 6 | ||
| Soldering temperature | Tsolder | 260 | °C | 10 s | 6 | ||
| Input voltage | VIN | 2.5 | 60 | V | 6 | ||
| Operating junction temperature | TJ | -40 | 125 | °C | 6 | ||
| Operating ambient temperature | TA | -40 | 85 | °C | 6 | ||
| Junction-to-ambient thermal resistance (SOT-89-3L) | RΘJA | 162.1 | °C/W | Still air, TA = 25°C, 1 in² FR-4 board | 7 | ||
| Junction-to-case thermal resistance (SOT-89-3L) | RΘJC | 52.9 | °C/W | Still air, TA = 25°C, 1 in² FR-4 board | 7 | ||
| Reference maximum power dissipation (SOT-89-3L) | PD Ref | 0.63 | W | Still air, TA = 25°C, 1 in² FR-4 board | 7 |
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 | 20 |
CAD (KiCad official)
- Symbol:
CJ8833 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files:
cj8833-etched.step/cj8833-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cj8833.step/cj8833.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (30 pp, sha256
733da6265f034ea2, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).