component
CJ6101B28M
Public Made by Adomby adom
Changjing Linear Voltage Regulators (LDO), SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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CJ6101B28M
Changjing · Linear Voltage Regulators (LDO) · SOT-23-5L
CJ6101B28M from Changjing, in a SOT-23-5L. 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 | IN | power_in | Input to the device; operating input voltage range is 1.8V to 6.0V. |
| 2 | GND | power_in | Regulator ground. |
| 3 | EN | input | Enable pin, logic high to enable and logic low to disable (VEN H min 1.5V, VEN L max 0.3V); do not float the pin. |
| 4 | NC | unconnected | Not connected. |
| 5 | OUT | power_out | Output of the regulator, providing up to 300mA output current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23-5L |
| Category | Power Supply Chip |
| Pins | 5 |
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 | 1.8 | 6 | V | TJ = 25°C | 7 | |
| Output Voltage | VOUT | 1 | 5 | V | IOUT = 1mA | 7 | |
| DC Output Accuracy | -2 | 2 | % | IOUT = 1mA | 7 | ||
| Output Current | IOUT | 300 | 500 | mA | VIN = VOUT +1V | 7 | |
| Output Current Limit | IOUT Limit | 350 | 550 | 750 | mA | VOUT = 0.5 × VOUT(Normal), VIN = 5.0V | 7 |
| Quiescent Current | IQ | 0.8 | 1.5 | µA | IOUT = 0mA | 7 | |
| Line Regulation | LNR | 0.05 | 0.3 | %/V | VIN = VOUT +1V to 6V, IOUT = 10mA | 7 | |
| Standby Current | ISTBY | 0.1 | µA | VEN = GND | 7 | ||
| EN High | VEN H | 1.5 | V | VIN = VOUT +1V | 7 | ||
| EN Low | VEN L | 0.3 | V | VIN = VOUT +1V | 7 | ||
| Dropout Voltage | VDO | 110 | mV | VOUT > 2.0V, IOUT = 100mA | 7 | ||
| Load Regulation | ΔVLOAD | 10 | mV | VIN = VOUT +1V, IOUT = 1 to 100mA | 7 | ||
| Output Voltage Temperature Characteristics | 100 | ppm | IOUT = 10mA, TA = -40 to 85°C | 7 | |||
| Short Current | IShort | 100 | mA | VOUT short to GND | 7 | ||
| PSRR 1kHz | PSRR | 50 | dB | IOUT = 50mA, f = 1kHz | 7 | ||
| Thermal Shutdown Temperature | TSD | 160 | °C | 7 | |||
| Thermal Shutdown Hysteresis | ΔTSD | 20 | °C | 7 | |||
| Auto-discharge Resistance | RDischarge | 100 | Ω | VIN = 5V, VOUT = 3.0V, VEN = GND | 7 | ||
| Input voltage (abs max) | VIN | -0.3 | 7 | V | 5 | ||
| Enable input voltage (abs max) | VEN | -0.3 | V | max = VIN + 0.3 | 5 | ||
| Output voltage (abs max) | VOUT | -0.3 | V | max = VIN + 0.3 | 5 | ||
| Maximum junction temperature | TJ Max | 125 | °C | 5 | |||
| Storage temperature | Tstg | -40 | 125 | °C | 5 | ||
| Input Voltage (recommended) | VIN | 1.8 | 6 | V | 5 | ||
| Operating Ambient Temperature | TA | -40 | °C | 5 | |||
| Junction-to-ambient thermal resistance SOT-23-5L | RΘJA | 250 | °C/W | SOT-23-5L | 6 | ||
| Maximum power dissipation for reference SOT-23-5L | PD Ref | 0.4 | W | SOT-23-5L | 6 | ||
| ESD HBM | VESD-HBM | 2000 | V | Human body model | 6 | ||
| ESD MM | VESD-MM | 200 | V | Machine model | 6 |
CAD (KiCad official)
- Symbol:
CJ6101B28M - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5L (KiCad packages3D, STEP)
- 3D model files:
cj6101b28m-etched.step/cj6101b28m-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cj6101b28m.step/cj6101b28m.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (23 pp, sha256
a2967bc30938e9b3, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).
# CJ6101B28M
**Changjing** · Linear Voltage Regulators (LDO) · SOT-23-5L
CJ6101B28M from Changjing, in a SOT-23-5L. 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 | IN | power_in | Input to the device; operating input voltage range is 1.8V to 6.0V. |
| 2 | GND | power_in | Regulator ground. |
| 3 | EN | input | Enable pin, logic high to enable and logic low to disable (VEN H min 1.5V, VEN L max 0.3V); do not float the pin. |
| 4 | NC | unconnected | Not connected. |
| 5 | OUT | power_out | Output of the regulator, providing up to 300mA output current. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23-5L |
| Category | Power Supply Chip |
| Pins | 5 |
## 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 | 1.8 | | 6 | V | TJ = 25°C | 7 |
| Output Voltage | VOUT | 1 | | 5 | V | IOUT = 1mA | 7 |
| DC Output Accuracy | | -2 | | 2 | % | IOUT = 1mA | 7 |
| Output Current | IOUT | 300 | 500 | | mA | VIN = VOUT +1V | 7 |
| Output Current Limit | IOUT Limit | 350 | 550 | 750 | mA | VOUT = 0.5 × VOUT(Normal), VIN = 5.0V | 7 |
| Quiescent Current | IQ | | 0.8 | 1.5 | µA | IOUT = 0mA | 7 |
| Line Regulation | LNR | | 0.05 | 0.3 | %/V | VIN = VOUT +1V to 6V, IOUT = 10mA | 7 |
| Standby Current | ISTBY | | | 0.1 | µA | VEN = GND | 7 |
| EN High | VEN H | 1.5 | | | V | VIN = VOUT +1V | 7 |
| EN Low | VEN L | | | 0.3 | V | VIN = VOUT +1V | 7 |
| Dropout Voltage | VDO | | 110 | | mV | VOUT > 2.0V, IOUT = 100mA | 7 |
| Load Regulation | ΔVLOAD | | 10 | | mV | VIN = VOUT +1V, IOUT = 1 to 100mA | 7 |
| Output Voltage Temperature Characteristics | | | 100 | | ppm | IOUT = 10mA, TA = -40 to 85°C | 7 |
| Short Current | IShort | | 100 | | mA | VOUT short to GND | 7 |
| PSRR 1kHz | PSRR | | 50 | | dB | IOUT = 50mA, f = 1kHz | 7 |
| Thermal Shutdown Temperature | TSD | | 160 | | °C | | 7 |
| Thermal Shutdown Hysteresis | ΔTSD | | 20 | | °C | | 7 |
| Auto-discharge Resistance | RDischarge | | 100 | | Ω | VIN = 5V, VOUT = 3.0V, VEN = GND | 7 |
| Input voltage (abs max) | VIN | -0.3 | | 7 | V | | 5 |
| Enable input voltage (abs max) | VEN | -0.3 | | | V | max = VIN + 0.3 | 5 |
| Output voltage (abs max) | VOUT | -0.3 | | | V | max = VIN + 0.3 | 5 |
| Maximum junction temperature | TJ Max | | | 125 | °C | | 5 |
| Storage temperature | Tstg | -40 | | 125 | °C | | 5 |
| Input Voltage (recommended) | VIN | 1.8 | | 6 | V | | 5 |
| Operating Ambient Temperature | TA | -40 | | | °C | | 5 |
| Junction-to-ambient thermal resistance SOT-23-5L | RΘJA | | 250 | | °C/W | SOT-23-5L | 6 |
| Maximum power dissipation for reference SOT-23-5L | PD Ref | | 0.4 | | W | SOT-23-5L | 6 |
| ESD HBM | VESD-HBM | | 2000 | | V | Human body model | 6 |
| ESD MM | VESD-MM | | 200 | | V | Machine model | 6 |
## CAD (KiCad official)
- Symbol: `CJ6101B28M`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5L (KiCad packages3D, STEP)
- 3D model files: `cj6101b28m-etched.step` / `cj6101b28m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cj6101b28m.step` / `cj6101b28m.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjing datasheet](docs/cj6101b28m-datasheet.pdf) (23 pp, sha256 `a2967bc30938e9b3`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/cj6101b28m-datasheet.pdf)