component
UC2572DTR
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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uc2572dtr: specified limits as data (metadata.characteristics, 44 rows from the datasheet)
2 files changed
+587−1
README.md+51@@ -26,6 +26,57 @@ UC2572DTR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extra | Category | Power Management (PMIC) | | Pins | 8 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Supply voltage (absolute maximum) | VCC | | | 35 | V | | 2 |+| Error amp input voltage (absolute maximum) | EAINV | -0.6 | | | V | | 2 |+| Error amp output current (absolute maximum) | IEAOUT | | | 25 | mA | | 2 |+| RAMP pin voltage (absolute maximum) | RAMP | -0.3 | | 4 | V | | 2 |+| CS pin voltage (absolute maximum) | CS | -0.3 | | | V | | 2 |+| Output current (absolute maximum) | Iout | -0.7 | | 0.7 | A | | 2 |+| 3VREF output current (absolute maximum) | I3VREF | -15 | | | mA | | 2 |+| Storage temperature (absolute maximum) | | -65 | | 150 | °C | | 2 |+| Junction temperature (absolute maximum) | | -65 | | 150 | °C | | 2 |+| Lead temperature (absolute maximum) | | | | 300 | °C | Soldering, 10 sec. | 2 |+| Supply voltage VCC (recommended) | VCC | 4.75 | | 30 | V | Input voltage supply range (pin description) | 4 |+| Recommended oscillator frequency range | | 10 | | 200 | kHz | Set by CRAMP on RAMP pin | 4 |+| Operating temperature range (UC2572, D package) | | -40 | | 85 | °C | UC2572 grade, D package | 2 |+| 3VREF reference voltage | 3VREF | 2.94 | 3 | 3.06 | V | | 2 |+| Reference line regulation | | | 1 | 10 | mV | VCC = 4.75 to 30V | 2 |+| Reference load regulation | | | 1 | 10 | mV | I3VREF = 0V to –5mA | 2 |+| Oscillator frequency | | 85 | 100 | 115 | kHz | VCC = 5V to 30V | 2 |+| Error amp input offset (EAINV) | EAINV | -10 | 0 | 10 | mV | EAOUT = 2V | 2 |+| Error amp row IEANV (parameter name not printed) | IEANV | | -0.2 | -0.9 | V | IEANV = –1mA | 2 |+| Error amp input bias row IEAINV | IEAINV | | -0.2 | -1 | A | EAOUT = 2V | 2 |+| Error amp open-loop voltage gain (AVOL) | AVOL | | 65 | 90 | dB | EAOUT = 0.5V to 3V | 2 |+| EAOUT high | | 3.6 | 4 | 4.4 | V | EAINV = –100mV | 2 |+| EAOUT low | | | 0.1 | 0.2 | V | EAINV = 100mV | 2 |+| EAOUT sink current | IEAOUT | | -350 | -500 | µA | EAINV = –100mV, EAOUT = 2V | 2 |+| EAOUT source current | IEAOUT | | 7 | 20 | mA | EAINV = 100mV, EAOUT = 2V | 2 |+| Error amp unity gain bandwidth | | | 0.6 | 1 | MHz | TJ = 25°C, F = 10kHz | 2 |+| Current sense comparator threshold | | 0.185 | 0.205 | 0.225 | V | | 2 |+| CS input bias current | | | -0.4 | -1 | µA | CS = 0 | 2 |+| CS propagation delay | | | 300 | | nS | | 2 |+| OUT high saturation | | | 0 | 0.3 | V | IOUT = 0 | 3 |+| OUT high saturation | | | 0.7 | 1.5 | V | IOUT = –10mA | 3 |+| OUT high saturation | | | 1.5 | 2.5 | V | IOUT = –100mA | 3 |+| OUT low saturation | | | 0.1 | 0.4 | V | IOUT = 10mA | 3 |+| OUT low saturation | | | 1.5 | 2.2 | V | IOUT = 100mA | 3 |+| OUT rise time | | | 30 | 80 | nS | TJ = 25°C, CLOAD = 1nF + 3.3 Ohms | 3 |+| OUT fall time | | | 30 | 80 | nS | TJ = 25°C, CLOAD = 1nF + 3.3 Ohms | 3 |+| Maximum duty cycle | | | 92 | 96 | % | EAINV = +100mV, VCC = 5V to 30V | 3 |+| Minimum duty cycle | | | 0 | | % | EAINV = –100mV, VCC = 5V to 30V | 3 |+| Modulator gain | | 45 | 55 | 65 | %/V | EAOUT = 1.5V to 2.5V | 3 |+| UVLO start threshold | | 3.5 | 4.2 | 4.5 | V | | 3 |+| UVLO hysteresis | | 100 | 200 | 300 | mV | | 3 |+| Sleep mode threshold | | 1.8 | 2.2 | 2.6 | V | | 3 |+| Supply current (operating) | IVCC | | 9 | 15 | mA | VCC = 5V, 30V | 3 |+| Supply current (sleep mode) | | | 50 | 150 | A | VCC = 30, CS = 3V | 3 |+ ## CAD (KiCad official) - Symbol: `UC2572DTR`
page.json+536−1@@ -181,6 +181,541 @@ "Package": "SOIC-8", "Category": "Power Management (PMIC)", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "9d4bf256c535d704",+ "rows": [+ {+ "name": "Supply voltage (absolute maximum)",+ "symbol": "VCC",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 35,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp input voltage (absolute maximum)",+ "symbol": "EAINV",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.6,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp output current (absolute maximum)",+ "symbol": "IEAOUT",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 25,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "RAMP pin voltage (absolute maximum)",+ "symbol": "RAMP",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 4,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "CS pin voltage (absolute maximum)",+ "symbol": "CS",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Output current (absolute maximum)",+ "symbol": "Iout",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": -0.7,+ "typ": null,+ "max": 0.7,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "3VREF output current (absolute maximum)",+ "symbol": "I3VREF",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -15,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature (absolute maximum)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Junction temperature (absolute maximum)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Lead temperature (absolute maximum)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 300,+ "conditions": "Soldering, 10 sec.",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Supply voltage VCC (recommended)",+ "symbol": "VCC",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 4.75,+ "typ": null,+ "max": 30,+ "conditions": "Input voltage supply range (pin description)",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Recommended oscillator frequency range",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "kHz",+ "min": 10,+ "typ": null,+ "max": 200,+ "conditions": "Set by CRAMP on RAMP pin",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating temperature range (UC2572, D package)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 85,+ "conditions": "UC2572 grade, D package",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "3VREF reference voltage",+ "symbol": "3VREF",+ "kind": "electrical",+ "unit": "V",+ "min": 2.94,+ "typ": 3,+ "max": 3.06,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference line regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 1,+ "max": 10,+ "conditions": "VCC = 4.75 to 30V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference load regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 1,+ "max": 10,+ "conditions": "I3VREF = 0V to –5mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Oscillator frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 85,+ "typ": 100,+ "max": 115,+ "conditions": "VCC = 5V to 30V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp input offset (EAINV)",+ "symbol": "EAINV",+ "kind": "electrical",+ "unit": "mV",+ "min": -10,+ "typ": 0,+ "max": 10,+ "conditions": "EAOUT = 2V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp row IEANV (parameter name not printed)",+ "symbol": "IEANV",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": -0.2,+ "max": -0.9,+ "conditions": "IEANV = –1mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp input bias row IEAINV",+ "symbol": "IEAINV",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": -0.2,+ "max": -1,+ "conditions": "EAOUT = 2V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp open-loop voltage gain (AVOL)",+ "symbol": "AVOL",+ "kind": "electrical",+ "unit": "dB",+ "min": null,+ "typ": 65,+ "max": 90,+ "conditions": "EAOUT = 0.5V to 3V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "EAOUT high",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 3.6,+ "typ": 4,+ "max": 4.4,+ "conditions": "EAINV = –100mV",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "EAOUT low",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.1,+ "max": 0.2,+ "conditions": "EAINV = 100mV",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "EAOUT sink current",+ "symbol": "IEAOUT",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": -350,+ "max": -500,+ "conditions": "EAINV = –100mV, EAOUT = 2V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "EAOUT source current",+ "symbol": "IEAOUT",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 7,+ "max": 20,+ "conditions": "EAINV = 100mV, EAOUT = 2V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Error amp unity gain bandwidth",+ "symbol": "",+ "kind": "electrical",+ "unit": "MHz",+ "min": null,+ "typ": 0.6,+ "max": 1,+ "conditions": "TJ = 25°C, F = 10kHz",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Current sense comparator threshold",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 0.185,+ "typ": 0.205,+ "max": 0.225,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "CS input bias current",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": -0.4,+ "max": -1,+ "conditions": "CS = 0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "CS propagation delay",+ "symbol": "",+ "kind": "electrical",+ "unit": "nS",+ "min": null,+ "typ": 300,+ "max": null,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "OUT high saturation",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0,+ "max": 0.3,+ "conditions": "IOUT = 0",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "OUT high saturation",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.7,+ "max": 1.5,+ "conditions": "IOUT = –10mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "OUT high saturation",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1.5,+ "max": 2.5,+ "conditions": "IOUT = –100mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "OUT low saturation",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 0.1,+ "max": 0.4,+ "conditions": "IOUT = 10mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "OUT low saturation",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1.5,+ "max": 2.2,+ "conditions": "IOUT = 100mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "OUT rise time",+ "symbol": "",+ "kind": "electrical",+ "unit": "nS",+ "min": null,+ "typ": 30,+ "max": 80,+ "conditions": "TJ = 25°C, CLOAD = 1nF + 3.3 Ohms",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "OUT fall time",+ "symbol": "",+ "kind": "electrical",+ "unit": "nS",+ "min": null,+ "typ": 30,+ "max": 80,+ "conditions": "TJ = 25°C, CLOAD = 1nF + 3.3 Ohms",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Maximum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": 92,+ "max": 96,+ "conditions": "EAINV = +100mV, VCC = 5V to 30V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Minimum duty cycle",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": 0,+ "max": null,+ "conditions": "EAINV = –100mV, VCC = 5V to 30V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Modulator gain",+ "symbol": "",+ "kind": "electrical",+ "unit": "%/V",+ "min": 45,+ "typ": 55,+ "max": 65,+ "conditions": "EAOUT = 1.5V to 2.5V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "UVLO start threshold",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 3.5,+ "typ": 4.2,+ "max": 4.5,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "UVLO hysteresis",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": 100,+ "typ": 200,+ "max": 300,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Sleep mode threshold",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.8,+ "typ": 2.2,+ "max": 2.6,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Supply current (operating)",+ "symbol": "IVCC",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 9,+ "max": 15,+ "conditions": "VCC = 5V, 30V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Supply current (sleep mode)",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 50,+ "max": 150,+ "conditions": "VCC = 30, CS = 3V",+ "source_page": 3,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -222,4 +757,4 @@ "visibility": { "public": true }-}+}