component
SL4275-G
Public Made by Adomby adom
Slkor(SLKORMICRO Elec.) Linear Voltage Regulators (LDO), TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+82@@ -0,0 +1,82 @@+# SL4275-G++**Slkor(SLKORMICRO Elec.)** · Linear Voltage Regulators (LDO) · TO-263-5++SL4275-G from Slkor(SLKORMICRO Elec.), in a TO-263-5. 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 | I | power_in | Input supply (operating 5.5V to 42V, absolute max 42V); bypass with a ceramic capacitor to ground close to the IC. |+| 2 | RQ | output | Open-drain reset output that needs an external pull-up resistor and is pulled low when VQ falls below the reset threshold VRT (4.65V typ); may be left floating if unused. |+| 3 | GND | power_in | Ground, internally connected to the heat sink tab. |+| 4 | D | passive | Reset delay pin; connect a capacitor to ground to set the reset delay time (trd = CD*1.8V/6uA); may be left floating if unused, giving about 8us. |+| 5 | Q | power_out | 5V regulated output (4.9V to 5.1V, up to 450mA) requiring a capacitor to ground with CQ ≥ 22uF and ESR < 5Ω at 10kHz. |+| 6 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Slkor(SLKORMICRO Elec.) |+| Package | TO-263-5 |+| Category | Power Management |+| Pins | 6 |++## 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 | VI | -0.3 | | 42 | V | Tj=-40 to 150°C | 4 |+| Output voltage | VQ | -0.3 | | 12 | V | | 4 |+| Junction temperature | Tj | -40 | | 150 | °C | 结温 | 4 |+| Storage temperature | Tstg | -40 | | 150 | °C | 存储温度 | 4 |+| Thermal resistance junction-ambient | Rthj-a | 50 | | 90 | K/W | 仅管脚 | 4 |+| ESD HBM | VESD-HBM | -2000 | | 2000 | V | 人体模型 JESD22-A114 | 4 |+| ESD CDM | VESD-CDM | -1000 | | 1000 | V | 充电设备模型 JESD22-C101E | 4 |+| Operating voltage | VI | 5.5 | 13.5 | 42 | V | VI=13.5V; -40°C≤Tj≤150°C | 5 |+| Output voltage | VQ | 4.9 | 5 | 5.1 | V | IQ<450m;VI<42V | 5 |+| Output current limit | IQ | 450 | 800 | | mA | VI=13.5V | 5 |+| Quiescent current 1 | Iq1 | | 80 | 100 | uA | IQ = 5mA | 5 |+| Quiescent current 2 | Iq2 | | | 0.5 | mA | IQ = 400mA | 5 |+| Dropout voltage | Vdr | | 0.3 | 0.5 | V | IQ = 300mA | 5 |+| Load regulation | ΔVQLo | | | 150 | mV | 5mA<IQ<450mA | 5 |+| Line regulation | ΔVQLi | | 2 | 10 | mV | 8V<VI<40V,IQ=5mA | 5 |+| Power supply rejection ratio | PSRR | | 70 | | dB | [email protected] | 5 |+| Output capacitance | CQ | 1 | | | uF | ESR≤5Ω@10KHZ | 5 |+| Reset threshold | VRT | 4.5 | 4.65 | 4.8 | V | 输出电压跌落 | 5 |+| Reset hysteresis | Vhys | | 0.2 | | V | | 5 |+| Reset response time | trr | | 2 | | us | | 5 |+| Reset output low voltage | VRQL | | | 0.4 | V | Rext≥5KΩ ;VQ<VRT | 5 |+| Reset output leakage current | IRQ | 0 | | 1 | uA | VRQ=5V | 5 |+| Upper timing threshold | VDT | | 1.8 | | V | | 5 |+| Lower timing threshold | VDL | 0.2 | 0.4 | 0.6 | V | | 5 |+| Delay capacitor charge current | ICharge | 3 | 6 | 9 | uA | VD=0V | 5 |+| Reset delay time | trd | 10 | 15 | 20 | ms | CD=47nF | 5 |+| Reset delay time, no capacitor | trd | | 8 | | us | 引脚无电容 | 5 |+| Thermal resistance junction-case | RthJC | | 3.6 | | K/W | 测量散热基座 | 4 |+| Thermal resistance junction-ambient | RthJA | | 22 | | K/W | | 4 |+| Thermal resistance junction-ambient, pins only | RthJA | | | 74 | K/W | 仅引脚 | 4 |+| Thermal resistance junction-ambient, 300 mm2 heatsink | RthJA | | | 42 | K/W | 300 mm2散热片 | 4 |+| Thermal resistance junction-ambient, 600 mm2 heatsink | RthJA | | | 34 | K/W | 600 mm2散热片 | 4 |++## CAD (KiCad official)++- Symbol: `SL4275-G`+- Footprint: `Package_TO_SOT_SMD:TO-263-5_TabPin6`+- 3D model: TO-263-5 (KiCad packages3D, STEP)+- 3D model files: `sl4275-g-etched.step` / `sl4275-g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl4275-g.step` / `sl4275-g.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Slkor(SLKORMICRO Elec.) datasheet](docs/sl4275-g-datasheet.pdf) (10 pp, sha256 `ef8953d0e278b5c4`, retrieved 2026-10-27, 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`, 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/sl4275-g-datasheet.pdf)
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