component
LP3981IMM-3.03
Public Made by Adomby adom
Texas Instruments Linear Voltage Regulators (LDO), VSSOP-8. 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
markdownLP3981IMM-3.03
Texas Instruments · Linear Voltage Regulators (LDO) · VSSOP-8
LP3981IMM-3.03 from Texas Instruments, in a VSSOP-8. 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 | OUT | power_out | Output voltage of the LDO, rated for 300-mA output current with the datasheet's maximum OUT/OUT-SENSE voltage of VIN + 0.3 V (6.5 V absolute maximum). |
| 2 | IN | power_in | Input voltage of the LDO, specified for 2.7 V to 6 V recommended operation with an absolute maximum of 6.5 V. |
| 3 | NC | unconnected | No internal connection. |
| 4 | OUT-SENSE | output | Voltage sense pin that must be connected to OUT for proper operation. |
| 5 | GND | power_in | Common ground pin; the datasheet's 'connect to PAD' note refers to the WSON thermal pad and does not apply to the VSSOP package. |
| 6 | BYPASS | passive | Optional bypass capacitor connection for noise reduction, connected to a high-impedance reference node so DC leakage on this pin must be kept low. |
| 7 | EN | input | Enable input logic, enable high; recommended range is 0 V to VIN. |
| 8 | NC | unconnected | No internal connection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8 |
| Category | Power Supply Chip |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
LP3981IMM-3.03 - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
lp3981imm-3-03-etched.step/lp3981imm-3-03-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lp3981imm-3-03.step/lp3981imm-3-03.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (27 pp, sha256
f55a271103f3d9d3, retrieved 2026-10-08, 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).