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XT1861B362MR-G
Public Made by Adomby adom
NATLINEAR DC-DC Converters, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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XT1861B362MR-G
NATLINEAR · DC-DC Converters · SOT-23
XT1861B362MR-G from NATLINEAR, in a SOT-23. 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 pin for the device; the datasheet gives no electrical limit for this pin. |
| 2 | LX | output | Switch pin driving the boost inductor; the maximum current in the LX pin is 1000 mA and the maximum voltage on VLX is 6.5 V. |
| 3 | VOUT | power_out | Output pin of the boost converter; the maximum supply voltage on VOUT is 6.5 V and the output voltage is set 1.8 V to 5.0 V in 0.1 V steps. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | NATLINEAR |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Output voltage accuracy | △VOUT | -2.5 | 2.5 | % | 5 | ||
| Maximum input voltage | VINMAX | 0.9 | 6.5 | V | 5 | ||
| Start voltage | VSTART | 0.8 | V | ILOAD=1mA,VIN:0→2V | 5 | ||
| Hold voltage | VHOLD | 0.6 | V | ILOAD=1mA,VIN:2→0V | 5 | ||
| Oscillation signal duty cycle | DCOSC | 78 | % | 5 | |||
| Efficiency | η | 90 | 94 | % | 5 | ||
| Limit current | ILIMIT | 600 | 800 | 1000 | mA | 5 | |
| Input voltage (VOUT and VLX pins) | Vmax | 6.5 | V | Maximum voltage supply for VOUT and VLX pin | 4 | ||
| Current in LX pin | ILXmax | 1000 | mA | Maximum current in LX pin | 4 | ||
| Power dissipation, SOT-23-3L | PD | 350 | mW | SOT-23-3L maximum power dissipation | 4 | ||
| Operating ambient temperature | Tmin-max | -40 | 85 | °C | Operating ambient temperature | 4 | |
| Storage temperature | Tstorage | -40 | 165 | °C | Storage temperature | 4 | |
| ESD voltage | VESD | 2000 | V | Body static pressure values | 4 |
CAD (KiCad official)
- Symbol:
XT1861B362MR-G - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
xt1861b362mr-g-etched.step/xt1861b362mr-g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);xt1861b362mr-g.step/xt1861b362mr-g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: NATLINEAR datasheet (13 pp, sha256
e1a70537c466fa01, 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).
# XT1861B362MR-G
**NATLINEAR** · DC-DC Converters · SOT-23
XT1861B362MR-G from NATLINEAR, in a SOT-23. 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 pin for the device; the datasheet gives no electrical limit for this pin. |
| 2 | LX | output | Switch pin driving the boost inductor; the maximum current in the LX pin is 1000 mA and the maximum voltage on VLX is 6.5 V. |
| 3 | VOUT | power_out | Output pin of the boost converter; the maximum supply voltage on VOUT is 6.5 V and the output voltage is set 1.8 V to 5.0 V in 0.1 V steps. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | NATLINEAR |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Output voltage accuracy | △VOUT | -2.5 | | 2.5 | % | | 5 |
| Maximum input voltage | VINMAX | 0.9 | | 6.5 | V | | 5 |
| Start voltage | VSTART | | | 0.8 | V | ILOAD=1mA,VIN:0→2V | 5 |
| Hold voltage | VHOLD | 0.6 | | | V | ILOAD=1mA,VIN:2→0V | 5 |
| Oscillation signal duty cycle | DCOSC | | | 78 | % | | 5 |
| Efficiency | η | | 90 | 94 | % | | 5 |
| Limit current | ILIMIT | 600 | 800 | 1000 | mA | | 5 |
| Input voltage (VOUT and VLX pins) | Vmax | | | 6.5 | V | Maximum voltage supply for VOUT and VLX pin | 4 |
| Current in LX pin | ILXmax | | | 1000 | mA | Maximum current in LX pin | 4 |
| Power dissipation, SOT-23-3L | PD | | | 350 | mW | SOT-23-3L maximum power dissipation | 4 |
| Operating ambient temperature | Tmin-max | -40 | | 85 | °C | Operating ambient temperature | 4 |
| Storage temperature | Tstorage | -40 | | 165 | °C | Storage temperature | 4 |
| ESD voltage | VESD | | | 2000 | V | Body static pressure values | 4 |
## CAD (KiCad official)
- Symbol: `XT1861B362MR-G`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `xt1861b362mr-g-etched.step` / `xt1861b362mr-g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xt1861b362mr-g.step` / `xt1861b362mr-g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [NATLINEAR datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884495331676160) (13 pp, sha256 `e1a70537c466fa01`, 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/xt1861b362mr-g-datasheet.pdf)