component
NCP1117ISTAT3G
Public Made by Adomby adom
onsemi Linear Voltage Regulators (LDO), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownNCP1117ISTAT3G
onsemi · Linear Voltage Regulators (LDO) · SOT-223
NCP1117ISTAT3G from onsemi, in a SOT-223. 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 | ADJ | passive | Adjust pin of the adjustable version (NCP1117ISTAT3G); the 1.25 V reference voltage is maintained between Output and Adjust, set by external resistors R1/R2, with Iadj typically 52 µA (120 µA max). |
| 2 | OUTPUT | power_out | Regulated output (1.25 V to 18.8 V programmable) with output current in excess of 1.0 A, requiring Cout of at least 4.7 µF with ESR of 33 mOhm (typ) to 2.2 Ohm; also connected to the heatsink tab. |
| 3 | INPUT | power_in | Input supply, operation up to 20 V maximum; a 10 µF input bypass capacitor is recommended close to the pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOT-223 |
| Category | Power Management ICs |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reference Voltage (25C) | Vref | 1.238 | 1.25 | 1.262 | V | Vin-Vout = 2.0 V, Iout = 10 mA, TA = 25°C | 3 |
| Reference Voltage (over temperature) | Vref | 1.225 | 1.27 | V | Vin-Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA | 3 | |
| Line Regulation, Adjustable | Regline | 0.04 | 0.1 | % | Vin = 2.75 V to 16.25 V, Iout = 10 mA | 3 | |
| Load Regulation, Adjustable | Regline | 0.2 | 0.4 | % | Iout = 10 mA to 800 mA, Vin = 4.25 V | 3 | |
| Dropout Voltage, Iout = 100 mA | Vin-Vout | 0.95 | 1.1 | V | Measured at Vout - 100 mV, Iout = 100 mA | 3 | |
| Dropout Voltage, Iout = 500 mA | Vin-Vout | 1.01 | 1.15 | V | Measured at Vout - 100 mV, Iout = 500 mA | 3 | |
| Dropout Voltage, Iout = 800 mA | Vin-Vout | 1.07 | 1.2 | V | Measured at Vout - 100 mV, Iout = 800 mA | 3 | |
| Output Current Limit | Iout | 1000 | 1500 | 2200 | mA | Vin-Vout = 5.0 V, TA = 25°C | 3 |
| Minimum Load Current, Adjustable | IL(min) | 0.8 | 5 | mA | Vin = 15 V | 3 | |
| Ripple Rejection, Adjustable | RR | 67 | 73 | dB | Vin-Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave | 4 | |
| Adjustment Pin Current | Iadj | 52 | 120 | µA | Vin = 11.25 V, Iout = 800 mA | 4 | |
| Adjust Pin Current Change | Iadj | 0.4 | 5 | µA | Vin-Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA | 4 | |
| Thermal Regulation | 0.01 | 0.1 | %/W | TA = 25°C, 30 ms Pulse | 4 | ||
| Temperature Stability | ST | 0.5 | % | 4 | |||
| Long Term Stability | St | 0.3 | % | TA = 25°C, 1000 Hrs End Point Measurement | 4 | ||
| RMS Output Noise | N | 0.003 | %Vout | f = 10 Hz to 10 kHz | 4 | ||
| Input Voltage | Vin | 20 | V | 2 | |||
| Maximum Die Junction Temperature Range | TJ | -55 | 150 | °C | 2 | ||
| Storage Temperature Range | Tstg | -65 | 150 | °C | 2 | ||
| Operating Ambient Temperature Range (NCP1117I) | TA | -40 | 125 | °C | NCP1117I | 2 | |
| Thermal Resistance Junction-to-Ambient, SOT-223 | RθJA | 160 | °C/W | Case 318H (SOT-223), Minimum Size Pad | 2 | ||
| Thermal Resistance Junction-to-Case, SOT-223 | RθJC | 15 | °C/W | Case 318H (SOT-223) | 2 |
CAD (KiCad official)
- Symbol:
NCP1117ISTAT3G - Footprint:
Package_TO_SOT_SMD:SOT-223-3_TabPin2 - 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files:
ncp1117istat3g-etched.step/ncp1117istat3g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ncp1117istat3g.step/ncp1117istat3g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (19 pp, sha256
8bd6d0050aa83242, retrieved 2026-10-23, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).