component
XT1861B332SR-G
Public Made by Adomby adom
NATLINEAR DC-DC Converters, SOT-23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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XT1861B332SR-G
NATLINEAR · DC-DC Converters · SOT-23-5L
XT1861B332SR-G from NATLINEAR, 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 | CE | input | Chip enable pin (使能端) that turns the PFM boost converter on and off; the datasheet gives no logic thresholds in text, only a CE high-voltage vs. temperature curve. |
| 2 | VOUT | power_out | Boost converter output; the absolute maximum voltage on VOUT and VLX is 6.5 V. |
| 3 | NC | unconnected | No connection (悬空), leave unconnected. |
| 4 | GND | power_in | Ground pin (接地端) for the converter. |
| 5 | LX | output | Switching node (开关) of the boost converter; the absolute maximum LX current is 1000 mA and the voltage limit is 6.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | NATLINEAR |
| Package | SOT-23-5L |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| 输出电压精度 (output voltage accuracy) | ΔVOUT | -2.5 | 2.5 | % | 4 | ||
| 最大输入电压 (maximum input voltage) | VINMAX | 0.9 | 6.5 | V | 4 | ||
| 启动电压 (start voltage) | VSTART | 0.8 | V | ILOAD=1mA,VIN:0→2V | 4 | ||
| 保持电压 (hold voltage) | VHOLD | 0.6 | V | ILOAD=1mA,VIN:2→0V | 4 | ||
| 振荡信号占空比 (oscillation signal duty cycle) | DCOSC | 78 | % | 4 | |||
| 效率 (efficiency) | η | 90 | 94 | % | 4 | ||
| 限流 (current limit) | ILIMIT | 600 | 800 | 1000 | mA | 4 | |
| LX端最大电流 (LX maximum current) | ILXmax | 1000 | mA | 4 | |||
| 最大功耗 SOT23-5L 封装 (max power dissipation, SOT23-5L) | PD | 350 | mW | SOT23-5L package | 4 | ||
| 工作温度范围 (operating temperature range) | Tmin-max | -40 | 85 | °C | 4 | ||
| 存储温度范围 (storage temperature range) | Tstorage | -40 | 165 | °C | 4 | ||
| 人体静电耐压 (ESD human body model) | VESD | 4000 | V | 4 | |||
| 供给 VOUT 和 VLX 端的最大电压 (maximum voltage on VOUT and VLX) | Vmax | 6.5 | V | VOUT and VLX pins | 4 |
CAD (KiCad official)
- Symbol:
XT1861B332SR-G - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-23-5L (KiCad packages3D, STEP)
- 3D model files:
xt1861b332sr-g-etched.step/xt1861b332sr-g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);xt1861b332sr-g.step/xt1861b332sr-g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: NATLINEAR datasheet (12 pp, sha256
6aefb3994990857c, retrieved 2026-10-13, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).