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LM2936MMX-3.3
Public Made by Adomby adom
Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, VSSOP-8-0.65mm. 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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Contents
README
markdownLM2936MMX-3.3
Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · VSSOP-8-0.65mm
LM2936MMX-3.3 from Texas Instruments, in a VSSOP-8-0.65mm. 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 | Regulated output voltage that requires a minimum output capacitance with specific ESR on this pin to maintain stability. |
| 2 | NC | unconnected | No internal connection; connect to GND or leave open. |
| 3 | NC | unconnected | No internal connection; connect to GND or leave open. |
| 4 | NC | unconnected | No internal connection; connect to GND or leave open. |
| 5 | NC | unconnected | No internal connection; connect to GND or leave open. |
| 6 | NC | unconnected | No internal connection; connect to GND or leave open. |
| 7 | GND | power_in | Ground. |
| 8 | IN | power_in | Unregulated input voltage, with a recommended operating range of 5.5 V to 40 V for the LM2936. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8-0.65mm |
| 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 |
|---|---|---|---|---|---|---|---|
| Output voltage | VOUT | 3.201 | 3.3 | 3.399 | V | 4 V ≤ VIN ≤ 26 V, 100 µA ≤ IOUT ≤ 50 mA, -40°C ≤ TJ ≤ 125°C | 6 |
| Output voltage | VOUT | 3.234 | 3.3 | 3.366 | V | 6 | |
| Line regulation | 5 | 10 | mV | 9 V ≤ VIN ≤ 16 V | 6 | ||
| Line regulation | 10 | 30 | mV | 6 V ≤ VIN ≤ 40 V, IOUT = 1 mA | 6 | ||
| Load regulation | 10 | 30 | mV | 100 μA ≤ IOUT ≤ 5 mA | 6 | ||
| Quiescent current | IQ | 15 | 20 | μA | IOUT = 100 μA, 8 V ≤ VIN ≤ 24 V | 6 | |
| Quiescent current | IQ | 0.2 | 0.5 | mA | IOUT = 10 mA, 8 V ≤ VIN ≤ 24 V | 6 | |
| Quiescent current | IQ | 1.5 | 2.5 | mA | IOUT = 50 mA, 8 V ≤ VIN ≤ 24 V | 6 | |
| Dropout voltage | VDO | 0.05 | 0.1 | V | IOUT = 100 μA | 6 | |
| Dropout voltage | VDO | 0.2 | 0.4 | V | IOUT = 50 mA | 6 | |
| Short-circuit current | ISC | 65 | 120 | 250 | mA | VOUT = 0 V | 6 |
| Ripple rejection | -60 | -40 | dB | Vripple = 1 Vrms, ƒripple = 120 Hz | 6 | ||
| Reverse polarity transient input voltage | -50 | -80 | V | RL = 500 Ω, T = 1 ms | 6 | ||
| Output voltage with reverse polarity input | VOUT | -0.3 | 0 | V | VIN = −15 V, RL = 500 Ω | 6 | |
| Maximum line transient | 60 | V | RL = 500 Ω, VOUT ≤ 3.63 V, T = 40 ms | 6 | |||
| Output bypass capacitance ESR | ESR | 0.3 | 8 | Ω | COUT = 22 µF, 0.1 mA ≤ IOUT ≤ 50 mA | 6 | |
| Input voltage (survival) | VIN | -50 | 60 | V | 4 | ||
| Junction temperature (TJMAX) | TJ | 150 | °C | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Temperature | TJ | -40 | 125 | °C | 4 | ||
| Input voltage, VIN, LM2936 | VIN | 5.5 | 40 | V | 4 | ||
| Junction-to-ambient thermal resistance | RθJA | 173.4 | °C/W | VSSOP (DGK) package | 4 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 65.9 | °C/W | VSSOP (DGK) package | 4 | ||
| Junction-to-board thermal resistance | RθJB | 94.9 | °C/W | VSSOP (DGK) package | 4 | ||
| Junction-to-top characterization parameter | ψJT | 9.6 | °C/W | VSSOP (DGK) package | 4 | ||
| Junction-to-board characterization parameter | ψJB | 93.3 | °C/W | VSSOP (DGK) package | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | copper | is practical to the package. The ground connections for CIN and COUT should be back to the LM2936 ground pin using as wide, and as short, of a copper trace as is practical. | 16 |
CAD (KiCad official)
- Symbol:
LM2936MMX-3.3 - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)
- 3D model files:
lm2936mmx-3-3-etched.step/lm2936mmx-3-3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2936mmx-3-3.step/lm2936mmx-3-3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (44 pp, sha256
0d9321b79ab1b9e7, retrieved 2026-11-05, tier: manufacturer) - 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).