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LM27342QMYX

Public Made by Adom

by adom

Texas Instruments DC-DC Converters, MSOP-10. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM27342QMYX

Texas Instruments · DC-DC Converters · MSOP-10

LM27342QMYX from Texas Instruments, in a MSOP-10. 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 SW output Output switch that connects to the inductor, catch diode, and bootstrap capacitor.
2 SW output Output switch that connects to the inductor, catch diode, and bootstrap capacitor; pins 1 and 2 are both SW.
3 BOOST input Boost voltage that drives the internal NMOS control switch, with a bootstrap capacitor connected between BOOST and SW (recommended Boost to SW voltage 3 V to 5.5 V).
4 EN input Enable control input where logic high enables operation; do not allow this pin to float or be greater than VIN + 0.3 V.
5 SYNC input Frequency synchronization input that is driven by an external clock or pulse train, or grounded to use the internal clock (absolute maximum SYNC voltage -0.5 V to 6 V).
6 FB input Feedback pin that connects to the external resistor divider to set the output voltage.
7 GND power_in Signal and power ground; place the bottom resistor of the feedback network as close as possible to this pin for accurate regulation.
8 AVIN power_in Supply voltage for the control circuitry (AVIN and PVIN recommended range 3 V to 20 V).
9 PVIN power_in Supply voltage for the output power stage; connect a bypass capacitor to this pin (recommended range 3 V to 20 V).
10 PVIN power_in Supply voltage for the output power stage; connect a bypass capacitor to this pin (recommended range 3 V to 20 V).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package MSOP-10
Category Power Management (PMIC)
Pins 10

CAD (KiCad official)

  • Symbol: LM27342QMYX
  • Footprint: Package_SO:MSOP-10_3x3mm_P0.5mm
  • 3D model: MSOP-10 (KiCad packages3D, STEP)
  • 3D model files: lm27342qmyx-etched.step / lm27342qmyx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm27342qmyx.step / lm27342qmyx.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (55 pp, sha256 cef0ca904e2ee532, retrieved 2026-10-11, 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