component
LM1117RS-3.3
Public Made by Adomby adom
HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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LM1117RS-3.3
HTC Korea TAEJIN Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252-2(DPAK)
LM1117RS-3.3 from HTC Korea TAEJIN Tech, in a TO-252-2(DPAK). 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/GND | power_in | Adjustable/ground pin: it is the ADJ terminal in adjustable versions, where the adjust pin current is 50 µA typical and 120 µA maximum at IO = 100 mA, and it is ground in the fixed-voltage versions. |
| 2 | VOUT | power_out | Regulated output voltage; the datasheet requires an output capacitor of 10 µF or larger for output stability. |
| 3 | VIN | power_in | Unregulated input supply to the regulator; the absolute maximum DC input voltage is 20 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTC Korea TAEJIN Tech |
| Package | TO-252-2(DPAK) |
| 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 = 4.8V, IO = 10mA) | VO | 3.267 | 3.3 | 3.333 | V | VIN = 4.8V, IO = 10mA | 8 |
| Output Voltage (VIN = 4.8V to 12V, IO = 0mA to 1A, TJ = 0 ~ 125℃) | VO | 3.234 | 3.366 | V | VIN = 4.8V to 12V, IO = 0mA to 1A (TJ = 0 ~ 125℃) | 8 | |
| Line Regulation | ΔVLINE | 0.1 | 0.2 | % | IO = 0mA, VIN = 4.8V to 12V | 8 | |
| Load Regulation | ΔVLOAD | 0.2 | 0.4 | % | IO = 0mA to 1A, VIN = 5.3 V | 8 | |
| Operating Input Voltage | VIN | 12 | V | IO = 100mA | 8 | ||
| Quiescent Current | ID | 5 | 10 | mA | VIN - VO = 5V | 8 | |
| Current Limit | IO | 1000 | 1250 | 1600 | mA | VIN - VO = 5V | 8 |
| Supply Voltage Rejection | SVR | 60 | 75 | dB | IO = 1A, f = 120Hz, VIN - VO = 3V, VRIPPLE = 1VPP | 8 | |
| Dropout Voltage | VD | 1 | 1.1 | V | IO = 100mA | 9 | |
| Dropout Voltage | VD | 1.1 | 1.2 | V | IO = 500mA | 9 | |
| Dropout Voltage | VD | 1.2 | 1.3 | V | IO = 1A | 9 | |
| DC Input Voltage | VIN | 20 | V | 1 | |||
| Lead Temperature (Soldering, 5 seconds) | TSOL | 260 | ℃ | Soldering, 5 seconds | 1 | ||
| Operating Junction Temperature Range | TOPR | -40 | 125 | ℃ | 1 | ||
| Storage Temperature Range | TSTG | -65 | 150 | ℃ | 1 | ||
| Thermal Resistance Junction-To-Ambient / TO-252 | θJA-TO-252 | 105 | °C/W | No heat sink / No air flow / No adjacent heat source / 0.066 inch² copper area (TA = 25°C) | 12 |
CAD (KiCad official)
- Symbol:
LM1117RS-3.3 - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252-2(DPAK) (KiCad packages3D, STEP)
- 3D model files:
lm1117rs-3-3-etched.step/lm1117rs-3-3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm1117rs-3-3.step/lm1117rs-3-3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HTC Korea TAEJIN Tech datasheet (12 pp, sha256
44a7a7aa0771cacd, retrieved 2026-10-18, 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).
# LM1117RS-3.3
**HTC Korea TAEJIN Tech** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252-2(DPAK)
LM1117RS-3.3 from HTC Korea TAEJIN Tech, in a TO-252-2(DPAK). 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/GND | power_in | Adjustable/ground pin: it is the ADJ terminal in adjustable versions, where the adjust pin current is 50 µA typical and 120 µA maximum at IO = 100 mA, and it is ground in the fixed-voltage versions. |
| 2 | VOUT | power_out | Regulated output voltage; the datasheet requires an output capacitor of 10 µF or larger for output stability. |
| 3 | VIN | power_in | Unregulated input supply to the regulator; the absolute maximum DC input voltage is 20 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HTC Korea TAEJIN Tech |
| Package | TO-252-2(DPAK) |
| 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 = 4.8V, IO = 10mA) | VO | 3.267 | 3.3 | 3.333 | V | VIN = 4.8V, IO = 10mA | 8 |
| Output Voltage (VIN = 4.8V to 12V, IO = 0mA to 1A, TJ = 0 ~ 125℃) | VO | 3.234 | | 3.366 | V | VIN = 4.8V to 12V, IO = 0mA to 1A (TJ = 0 ~ 125℃) | 8 |
| Line Regulation | ΔVLINE | | 0.1 | 0.2 | % | IO = 0mA, VIN = 4.8V to 12V | 8 |
| Load Regulation | ΔVLOAD | | 0.2 | 0.4 | % | IO = 0mA to 1A, VIN = 5.3 V | 8 |
| Operating Input Voltage | VIN | | | 12 | V | IO = 100mA | 8 |
| Quiescent Current | ID | | 5 | 10 | mA | VIN - VO = 5V | 8 |
| Current Limit | IO | 1000 | 1250 | 1600 | mA | VIN - VO = 5V | 8 |
| Supply Voltage Rejection | SVR | 60 | 75 | | dB | IO = 1A, f = 120Hz, VIN - VO = 3V, VRIPPLE = 1VPP | 8 |
| Dropout Voltage | VD | | 1 | 1.1 | V | IO = 100mA | 9 |
| Dropout Voltage | VD | | 1.1 | 1.2 | V | IO = 500mA | 9 |
| Dropout Voltage | VD | | 1.2 | 1.3 | V | IO = 1A | 9 |
| DC Input Voltage | VIN | | | 20 | V | | 1 |
| Lead Temperature (Soldering, 5 seconds) | TSOL | | | 260 | ℃ | Soldering, 5 seconds | 1 |
| Operating Junction Temperature Range | TOPR | -40 | | 125 | ℃ | | 1 |
| Storage Temperature Range | TSTG | -65 | | 150 | ℃ | | 1 |
| Thermal Resistance Junction-To-Ambient / TO-252 | θJA-TO-252 | | | 105 | °C/W | No heat sink / No air flow / No adjacent heat source / 0.066 inch² copper area (TA = 25°C) | 12 |
## CAD (KiCad official)
- Symbol: `LM1117RS-3.3`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252-2(DPAK) (KiCad packages3D, STEP)
- 3D model files: `lm1117rs-3-3-etched.step` / `lm1117rs-3-3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm1117rs-3-3.step` / `lm1117rs-3-3.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [HTC Korea TAEJIN Tech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202943314145280) (12 pp, sha256 `44a7a7aa0771cacd`, retrieved 2026-10-18, 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/lm1117rs-3-3-datasheet.pdf)