component
LM2596R-5.0
Public Made by Adomby adom
HTC Korea TAEJIN Tech LM2596R 5 0 DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
lm2596r-5-0: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain ST…
191fc96
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588
{
"schema_version": 1,
"type": "component",
"slug": "lm2596r-5-0",
"title": "LM2596R-5.0",
"brief": "HTC Korea TAEJIN Tech LM2596R 5 0 DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
"version": "0.2.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"pmic",
"lm2596r-5.0"
],
"component": {
"mpn": "LM2596R-5.0",
"manufacturer": "HTC Korea TAEJIN Tech LM2596R 5 0",
"package": "TO-263-5",
"pin_count": 6,
"category": "PMIC",
"subcategory": "DC-DC Converters",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a11be599896b4edfa160807cc8c6b836.pdf",
"parts": {
"symbol": "lm2596r-5-0.kicad_sym",
"footprint": "lm2596r-5-0.kicad_mod",
"model_3d": "lm2596r-5-0-etched.glb",
"model_3d_plain": "lm2596r-5-0.glb",
"model_3d_step": "lm2596r-5-0-etched.step",
"model_3d_step_plain": "lm2596r-5-0.step",
"lbr": "lm2596r-5-0.lbr"
},
"distributor_links": {
"lcsc": "C77782"
},
"pins": [
{
"number": "1",
"name": "VIN",
"type": "power_in",
"description": "Positive input supply for the LM2596 step-down switching regulator. Absolute max 45V, recommended operating up to 40V. Requires a suitable input bypass capacitor (e.g. 470uF, 50V aluminum electrolytic) placed close to the pin to minimize voltage transients and supply the switching currents."
},
{
"number": "2",
"name": "VOUT",
"type": "output",
"description": "Emitter of the internal NPN power switch; connects to the external inductor and catch diode of the buck converter. Saturation voltage Vsat is typically 1.16V at 3.0A. PCB area on this node should be kept small to minimize coupling to sensitive circuitry."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Circuit ground pin. Use ground plane construction or single-point grounding for best regulation and noise performance."
},
{
"number": "4",
"name": "FEEDBACK",
"type": "input",
"description": "Senses the regulated output voltage to close the feedback loop. On the fixed 5.0V version this pin ties directly to Vout; the internal resistor divider sets the 5.0V regulation point (Vref = 1.23V internal reference). Feedback bias current is typically 12 nA."
},
{
"number": "5",
"name": "ON/OFF",
"type": "input",
"description": "Active-high shutdown input. Threshold is typically 1.3V; VIH >= 2.0V shuts the regulator OFF (dropping IQ to ~80uA typ, 200uA max), VIL <= 0.6V or floating leaves the regulator ON. Absolute input range is -0.3V to +VIN. Input current is ~5uA at 2.5V (OFF), ~0.02uA at 0.5V (ON)."
},
{
"number": "6",
"name": "TAB",
"type": "power_in",
"description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
"source": "derived-from-footprint"
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/a11be599896b4edfa160807cc8c6b836.pdf",
"pages": 8,
"sha256": "c89f43dda8481acd",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 5,
"described": 5,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"pin1": {
"pad": "1",
"at": [
-7.65,
-3.4
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "TO-263-5_TabPin6@sha256:77e8ff2d643255fc",
"mark": "drawn"
},
"models_3d": [
{
"file": "lm2596r-5-0.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm2596r-5-0-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9524345492862575fed19d9523ca255e02422ef0ac1aab076d8bd4ca9c17958a",
"checked": "2026-10-16",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HTC Korea TAEJIN Tech",
"Package": "TO-263-5",
"Category": "PMIC",
"Pins": "5"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c89f43dda8481acd",
"rows": [
{
"name": "Output Voltage (Vin=12V, ILOAD=0.5A, TJ=25℃)",
"symbol": "Vout",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": 5,
"max": 5.1,
"conditions": "Vin=12V, ILOAD=0.5A, TJ=25℃",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A), TJ=25℃",
"symbol": "Vout",
"kind": "electrical",
"unit": "V",
"min": 4.8,
"typ": 5,
"max": 5.2,
"conditions": "8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, TJ=25℃",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A), TJ=-40℃ ~ +125℃",
"symbol": "Vout",
"kind": "electrical",
"unit": "V",
"min": 4.75,
"typ": null,
"max": 5.25,
"conditions": "8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, TJ=-40℃ ~ +125℃",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Oscillator Frequency",
"symbol": "Fosc",
"kind": "electrical",
"unit": "kHz",
"min": 127,
"typ": 150,
"max": 173,
"conditions": "TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Oscillator Frequency",
"symbol": "Fosc",
"kind": "electrical",
"unit": "kHz",
"min": 110,
"typ": null,
"max": 173,
"conditions": "TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Saturation Voltage",
"symbol": "Vsat",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.16,
"max": 1.4,
"conditions": "Iout=3.0A, TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Saturation Voltage",
"symbol": "Vsat",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "Iout=3.0A, TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Limit (Peak Current)",
"symbol": "ICL",
"kind": "electrical",
"unit": "A",
"min": 3.6,
"typ": 4.5,
"max": 6.9,
"conditions": "TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Limit (Peak Current)",
"symbol": "ICL",
"kind": "electrical",
"unit": "A",
"min": 3.4,
"typ": null,
"max": 7.5,
"conditions": "TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Leakage Current",
"symbol": "IL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 50,
"conditions": "Output = 0V, TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Leakage Current",
"symbol": "IL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 30,
"conditions": "Output = -1.0V, TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 10,
"conditions": "TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Standby Quiescent Current (ON/OFF Pin = 5.0V (off))",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "㎂",
"min": null,
"typ": 80,
"max": 200,
"conditions": "ON/OFF Pin = 5.0V (off), TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Standby Quiescent Current (ON/OFF Pin = 5.0V (off))",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "㎂",
"min": null,
"typ": null,
"max": 250,
"conditions": "ON/OFF Pin = 5.0V (off), TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF Pin Logic Input Level (Vout=0V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": 1.3,
"max": null,
"conditions": "Vout=0V, TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF Pin Logic Input Level (Vout=0V)",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "Vout=0V, TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF Pin Logic Input Level (Vout=Nominal Output Voltage)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.3,
"max": 0.6,
"conditions": "Vout=Nominal Output Voltage, TJ=25℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF Pin Logic Input Level (Vout=Nominal Output Voltage)",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "Vout=Nominal Output Voltage, TJ=0 ~ +125℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF Pin Input Current (Regulator OFF)",
"symbol": "IIH",
"kind": "electrical",
"unit": "㎂",
"min": null,
"typ": 5,
"max": 15,
"conditions": "VLOGIC = 2.5V (Regulator OFF)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ON/OFF Pin Input Current (Regulator ON)",
"symbol": "IIL",
"kind": "electrical",
"unit": "㎂",
"min": null,
"typ": 0.02,
"max": 5,
"conditions": "VLOGIC = 0.5V (Regulator ON)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum Supply Voltage",
"symbol": "Vin",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "On/Off Pin Input Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "-0.3V ≤ V ≤ +Vin",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage to Ground (Steady-State)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -1,
"typ": null,
"max": null,
"conditions": "Steady-State",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Ambient (TO-263 5Lead)",
"symbol": "PθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 70,
"max": null,
"conditions": "TO-263 5Lead",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction to Case (TO-263 5Lead)",
"symbol": "PθJC",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 5,
"max": null,
"conditions": "TO-263 5Lead",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -60,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Minimum ESD Rating (Human Body Model)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": 2,
"typ": null,
"max": null,
"conditions": "Human Body Model",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering, 10 seconds)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10 seconds",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "Vin",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm2596r-5.0"
],
"discovery_pitch": "LM2596R-5.0 (HTC Korea TAEJIN Tech LM2596R 5 0) component page with datasheet-verified CAD.",
"author": {
"name": "Ray"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lm2596r-5-0.kicad_sym",
"lm2596r-5-0.kicad_mod",
"lm2596r-5-0.glb",
"lm2596r-5-0.step",
"lm2596r-5-0-etched.step",
"lm2596r-5-0.lbr",
"docs/hero.png",
"docs/lm2596r-5-0-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html"
],
"variants": [
{
"mpn": "LM2596R-5.0",
"kind": "packaging"
},
{
"mpn": "LM2596R-ADJ",
"kind": "different-part"
},
{
"mpn": "LM2596T-5.0",
"kind": "unknown"
},
{
"mpn": "LM2596T-ADJ",
"kind": "different-part"
},
{
"mpn": "LM2596DP-ADJ",
"kind": "different-part"
}
],
"updated_at": "2026-09-28T16:15:09.627Z"
}