component
CJ7909
Public Made by Adomby adom
Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "CJ7909",
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"checked_at": "2026-10-20T23:47:25Z",
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{
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"name": "Output Voltage (second row)",
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"min": -8.55,
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{
"name": "Load Regulation",
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"name": "Line Regulation",
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"unit": "mV",
"min": null,
"typ": null,
"max": 140,
"conditions": "-11.5V≤Vi≤-26V, TJ=25℃",
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"name": "Line Regulation",
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"min": null,
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"max": 70,
"conditions": "-13V≤Vi≤-19V, TJ=25℃",
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},
{
"name": "Quiescent Current",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 2.6,
"conditions": "",
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{
"name": "Quiescent Current Change",
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"min": null,
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"conditions": "-11.5V≤Vi≤-26V, TJ=25℃",
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{
"name": "Quiescent Current Change",
"symbol": "ΔIq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "5mA≤IO≤1A, TJ=25℃",
"source_page": 1,
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},
{
"name": "Ripple Rejection",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": 54,
"typ": 60,
"max": null,
"conditions": "-11.5V≤Vi≤-21.5V, f=120Hz, TJ=25℃",
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{
"name": "Dropout Voltage",
"symbol": "Vd",
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"unit": "V",
"min": null,
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"max": 1.1,
"conditions": "Io=1A, TJ=25℃",
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},
{
"name": "Operating Junction Temperature Range",
"symbol": "TOPR",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
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{
"name": "Input Voltage",
"symbol": "Vi",
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"unit": "V",
"min": -35,
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{
"name": "Thermal Resistance from Junction to Air",
"symbol": "RθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 83.3,
"max": null,
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{
"name": "Continuous Total Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
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"conditions": "",
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{
"name": "Maximum Output Current",
"symbol": "IOM",
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"unit": "A",
"min": null,
"typ": null,
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