component
LD1117SG-3.3
Public Made by Adomby adom
BLUE ROCKET(蓝箭) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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LD1117SG-3.3
BLUE ROCKET(蓝箭) · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223
LD1117SG-3.3 from BLUE ROCKET(蓝箭), 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 | GND/ADJ | power_in | Ground pin for the fixed-output LD1117SG-3.3, and the adjust pin on the LD1117SG-ADJ, where Iadj is 60 to 120 uA (typ./max as printed). |
| 2 | OUT | power_out | Regulated output, rated for output current up to 1.0 A with internal current and thermal limiting. |
| 3 | IN | power_in | Unregulated input supply; the LD1117SG-3.3 specifies Vin of 4.75 V to 15 V and the absolute maximum DC input voltage is 15 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BLUE ROCKET(蓝箭) |
| Package | SOT-223 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage (Vin=5.3V, Io=10mA, Tj=25℃) | Vo | 3.234 | 3.3 | 3.366 | V | Vin=5.3V Io=10mA Tj=25℃ | 2 |
| Output Voltage (0≤Io≤1000mA, 4.75V≤Vin≤10V) | Vo | 3.234 | 3.3 | 3.366 | V | 0≤Io≤1000mA, 4.75V≤Vin≤10V | 2 |
| Load Regulation | ΔVo | 30 | mV | Vin=4.75V 0mA≤Io≤1000mA | 2 | ||
| Line Regulation | ΔVo | 48 | mV | Io=0mA 4.75V≤Vin≤15V | 3 | ||
| Operating Input Voltage | Vin | 15 | V | 3 | |||
| Quiescent Current | Id | 5 | 10 | mA | Vin≤15V | 3 | |
| Output Current | Io | 800 | 950 | 1300 | mA | Vin-Vo=5V Tj=25℃ | 3 |
| Output Noise | eN | 100 | uV | 3 | |||
| Supply Voltage Rejection | SVR | 60 | 75 | dB | Io=40mA f=120Hz Tj=25℃ Vin-Vo=3V Vripple=1Vpp | 4 | |
| Dropout Voltage (Io=100mA) | Vd | 1.1 | V | Io=100mA | 4 | ||
| Dropout Voltage (Io=500mA) | Vd | 1.15 | V | Io=500mA | 4 | ||
| Dropout Voltage (Io=800mA) | Vd | 1.2 | V | Io=800mA | 4 | ||
| Dropout Voltage (Io=1000mA) | Vd | 1.25 | V | Io=1000mA | 4 | ||
| Thermal Regulation | 0.01 | 0.1 | %/W | Ta=25℃ 30ms Pulse | 4 | ||
| DC Input Voltage | VI | 15 | V | Ta=25℃ | 2 | ||
| Storage Temperature Range | Tstg | -40 | 150 | ℃ | Ta=25℃ | 2 | |
| Thermal Resistance Junction-case | RθJC | 15 | ℃/W | 2 | |||
| Electrical Characteristics Junction Temperature Range | Tj | -25 | 125 | ℃ | Electrical characteristics table header: Tj= -25 to 125℃ | 2 |
CAD (KiCad official)
- Symbol:
LD1117SG-3.3 - Footprint:
Package_TO_SOT_SMD:SOT-223-3_TabPin2 - 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files:
ld1117sg-3-3-etched.step/ld1117sg-3-3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ld1117sg-3-3.step/ld1117sg-3-3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: BLUE ROCKET(蓝箭) datasheet (8 pp, sha256
1d8b8e203a769b37, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# LD1117SG-3.3
**BLUE ROCKET(蓝箭)** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223
LD1117SG-3.3 from BLUE ROCKET(蓝箭), 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 | GND/ADJ | power_in | Ground pin for the fixed-output LD1117SG-3.3, and the adjust pin on the LD1117SG-ADJ, where Iadj is 60 to 120 uA (typ./max as printed). |
| 2 | OUT | power_out | Regulated output, rated for output current up to 1.0 A with internal current and thermal limiting. |
| 3 | IN | power_in | Unregulated input supply; the LD1117SG-3.3 specifies Vin of 4.75 V to 15 V and the absolute maximum DC input voltage is 15 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | BLUE ROCKET(蓝箭) |
| Package | SOT-223 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage (Vin=5.3V, Io=10mA, Tj=25℃) | Vo | 3.234 | 3.3 | 3.366 | V | Vin=5.3V Io=10mA Tj=25℃ | 2 |
| Output Voltage (0≤Io≤1000mA, 4.75V≤Vin≤10V) | Vo | 3.234 | 3.3 | 3.366 | V | 0≤Io≤1000mA, 4.75V≤Vin≤10V | 2 |
| Load Regulation | ΔVo | | | 30 | mV | Vin=4.75V 0mA≤Io≤1000mA | 2 |
| Line Regulation | ΔVo | | | 48 | mV | Io=0mA 4.75V≤Vin≤15V | 3 |
| Operating Input Voltage | Vin | | | 15 | V | | 3 |
| Quiescent Current | Id | | 5 | 10 | mA | Vin≤15V | 3 |
| Output Current | Io | 800 | 950 | 1300 | mA | Vin-Vo=5V Tj=25℃ | 3 |
| Output Noise | eN | | | 100 | uV | | 3 |
| Supply Voltage Rejection | SVR | 60 | 75 | | dB | Io=40mA f=120Hz Tj=25℃ Vin-Vo=3V Vripple=1Vpp | 4 |
| Dropout Voltage (Io=100mA) | Vd | | | 1.1 | V | Io=100mA | 4 |
| Dropout Voltage (Io=500mA) | Vd | | | 1.15 | V | Io=500mA | 4 |
| Dropout Voltage (Io=800mA) | Vd | | | 1.2 | V | Io=800mA | 4 |
| Dropout Voltage (Io=1000mA) | Vd | | | 1.25 | V | Io=1000mA | 4 |
| Thermal Regulation | | | 0.01 | 0.1 | %/W | Ta=25℃ 30ms Pulse | 4 |
| DC Input Voltage | VI | | | 15 | V | Ta=25℃ | 2 |
| Storage Temperature Range | Tstg | -40 | | 150 | ℃ | Ta=25℃ | 2 |
| Thermal Resistance Junction-case | RθJC | | | 15 | ℃/W | | 2 |
| Electrical Characteristics Junction Temperature Range | Tj | -25 | | 125 | ℃ | Electrical characteristics table header: Tj= -25 to 125℃ | 2 |
## CAD (KiCad official)
- Symbol: `LD1117SG-3.3`
- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`
- 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files: `ld1117sg-3-3-etched.step` / `ld1117sg-3-3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ld1117sg-3-3.step` / `ld1117sg-3-3.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [BLUE ROCKET(蓝箭) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590164628287627264) (8 pp, sha256 `1d8b8e203a769b37`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/ld1117sg-3-3-datasheet.pdf)