component
LM2665M6
Public Made by Adomby adom
Texas Instruments DC-DC Converters, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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| lm2665m6-etched.step | 17d ago |
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| README.md | 17d ago |
LM2665M6
Texas Instruments · DC-DC Converters · SOT-23-6
LM2665M6 from Texas Instruments, in a SOT-23-6. 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 | V+ | power_in | Power supply positive voltage input, 2.5 V to 5.5 V recommended operating range for voltage doubler operation. |
| 2 | GND | power_in | Power supply ground input; the internal oscillator uses OUT and GND, and OUT-to-GND must exceed 1.8 V for oscillator operation. |
| 3 | CAP− | passive | Connect this pin to the negative terminal of the charge-pump capacitor. |
| 4 | SD | input | Shutdown control pin, tied to ground in normal operation; a voltage above 40% of V+ puts the device into shutdown (about 1 µA supply current). |
| 5 | OUT | power_out | Positive voltage output, which may be shorted to GND for one second but must not be shorted to V+, and must not be shorted to GND or V+ above 85 °C. |
| 6 | CAP+ | passive | Connect this pin to the positive terminal of the charge-pump capacitor. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOT-23-6 |
| Category | Power Management (PMIC) |
| Pins | 6 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| V+ Supply voltage | V+ | 2.5 | 5.5 | V | 5 | ||
| Supply current | IQ | 650 | 1250 | µA | No load | 5 | |
| Shutdown pin input voltage, normal operation (minimum input high) | VSD | 2 | V | Normal operation | 5 | ||
| Shutdown pin input voltage, shutdown mode (maximum input low) | VSD | 0.8 | V | Shutdown mode | 5 | ||
| Output current | IL | 40 | mA | 5 | |||
| Sum of Rds(on) of the four internal MOSFET switches | RSW | 3.5 | 8 | Ω | IL = 40 mA | 5 | |
| Output resistance | ROUT | 12 | 25 | Ω | IL = 40 mA | 5 | |
| Oscillator frequency | ƒOSC | 80 | 160 | kHz | See note (7) | 5 | |
| Switching frequency | ƒSW | 40 | 80 | kHz | See note (7) | 5 | |
| Power efficiency | PEFF | 90 | 94 | % | RL (1 kΩ) between GND and OUT | 5 | |
| Power efficiency | PEFF | 90 | % | IL = 40 mA to GND | 5 | ||
| Voltage conversion efficiency | VOEFF | 99 | 99.96 | % | No load | 5 | |
| Shutdown supply current | ISD | 1 | µA | 5 | |||
| V+ to GND voltage | 5.8 | V | 4 | ||||
| OUT to GND voltage | 11.6 | V | 4 | ||||
| OUT to V+ voltage | 5.8 | V | 4 | ||||
| V+ and OUT continuous output current | 50 | mA | 4 | ||||
| Output short-circuit duration to GND | 1 | sec | 4 | ||||
| Continuous power dissipation | 600 | mW | TA = 25°C | 4 | |||
| Maximum junction temperature | TJ-MAX | 150 | °C | 4 | |||
| Lead temperature | 300 | °C | soldering, 10 sec. | 4 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Operating junction temperature | TJ | -40 | 85 | °C | 4 | ||
| Junction-to-ambient thermal resistance | RθJA | 210 | °C/W | 4 |
CAD (KiCad official)
- Symbol:
LM2665M6 - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
lm2665m6-etched.step/lm2665m6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2665m6.step/lm2665m6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (22 pp, sha256
074f1f3b97330aab, 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).