component
CJ8633
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.
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CJ8633
Changjing · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L
CJ8633 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 | Ground terminal (labeled VSS in the block diagram and typical application circuit); all voltages are specified with respect to this network ground. |
| 2 | IN | power_in | Input supply pin (VIN) with an operating range of 2.5 V to 45 V and an absolute maximum rating of -0.3 V to 50 V. |
| 3 | OUT | power_out | Regulated output pin (VOUT) with an output voltage range of 2.1 V to 12 V and output current up to 250 mA. |
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 | 45 | V | 3 | ||
| Output Voltage Range | VOUT | 2.1 | 12 | V | 3 | ||
| DC Output Accuracy | -2 | 2 | % | IOUT=10mA | 3 | ||
| DC Output Accuracy | -1 | 1 | % | 3 | |||
| Line Regulation | ∆VOUT/VOUT×∆VIN | 0.01 | 0.3 | %/V | IOUT=10mA, VOUT+1V≤VIN≤36V | 3 | |
| Supply Current | ISS | 2 | 10 | μA | IOUT=0A | 3 | |
| Input Voltage (absolute maximum) | VIN | -0.3 | 50 | V | 2 | ||
| Output Voltage (absolute maximum) | VOUT | -0.3 | 12 | V | 2 | ||
| Power Dissipation | PD | 0.6 | W | SOT-89-3L | 2 | ||
| Operating Junction Temperature Range (absolute maximum) | Tj | -40 | 125 | °C | 2 | ||
| Storage Temperature | Tstg | -40 | 125 | °C | 2 | ||
| Supply voltage at VIN | VIN | 2.5 | 45 | V | 2 | ||
| Operating junction temperature range | Tj | -40 | 125 | °C | 2 | ||
| Operating free air temperature range | TA | -40 | 85 | °C | 2 |
CAD (KiCad official)
- Symbol:
CJ8633 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files:
cj8633-etched.step/cj8633-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cj8633.step/cj8633.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (6 pp, sha256
65308589cbc47749, retrieved 2026-10-17, 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).
# CJ8633
**Changjing** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3L
CJ8633 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 | Ground terminal (labeled VSS in the block diagram and typical application circuit); all voltages are specified with respect to this network ground. |
| 2 | IN | power_in | Input supply pin (VIN) with an operating range of 2.5 V to 45 V and an absolute maximum rating of -0.3 V to 50 V. |
| 3 | OUT | power_out | Regulated output pin (VOUT) with an output voltage range of 2.1 V to 12 V and output current up to 250 mA. |
## 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 | | 45 | V | | 3 |
| Output Voltage Range | VOUT | 2.1 | | 12 | V | | 3 |
| DC Output Accuracy | | -2 | | 2 | % | IOUT=10mA | 3 |
| DC Output Accuracy | | -1 | | 1 | % | | 3 |
| Line Regulation | ∆VOUT/VOUT×∆VIN | | 0.01 | 0.3 | %/V | IOUT=10mA, VOUT+1V≤VIN≤36V | 3 |
| Supply Current | ISS | | 2 | 10 | μA | IOUT=0A | 3 |
| Input Voltage (absolute maximum) | VIN | -0.3 | | 50 | V | | 2 |
| Output Voltage (absolute maximum) | VOUT | -0.3 | | 12 | V | | 2 |
| Power Dissipation | PD | | | 0.6 | W | SOT-89-3L | 2 |
| Operating Junction Temperature Range (absolute maximum) | Tj | -40 | | 125 | °C | | 2 |
| Storage Temperature | Tstg | -40 | | 125 | °C | | 2 |
| Supply voltage at VIN | VIN | 2.5 | | 45 | V | | 2 |
| Operating junction temperature range | Tj | -40 | | 125 | °C | | 2 |
| Operating free air temperature range | TA | -40 | | 85 | °C | | 2 |
## CAD (KiCad official)
- Symbol: `CJ8633`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3L (KiCad packages3D, STEP)
- 3D model files: `cj8633-etched.step` / `cj8633-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cj8633.step` / `cj8633.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602918701054783488) (6 pp, sha256 `65308589cbc47749`, retrieved 2026-10-17, 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](docs/cj8633-datasheet.pdf)