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LM2770SD-1215

Public Made by Adom

by adom

Texas Instruments DC-DC Converters, WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM2770SD-1215

Texas Instruments · DC-DC Converters · WSON-10-EP(3x3)

LM2770SD-1215 from Texas Instruments, in a WSON-10-EP(3x3). 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 VSEL input Output voltage select logic input: high selects the high output voltage (VOUT-H) and low selects the low output voltage (VOUT-L).
2 EN input Enable logic input: high enables the part and low places it in shutdown.
3 C2+ passive Positive terminal of flying capacitor 2.
4 GND power_in Ground reference; all voltages are specified with respect to the GND pin.
5 C2- passive Negative terminal of flying capacitor 2.
6 VOUT power_out Regulated output voltage, driven by the switched-capacitor regulator in full-power mode or by the low-power linear regulator in sleep mode.
7 C1- passive Negative terminal of flying capacitor 1.
8 C1+ passive Positive terminal of flying capacitor 1.
9 VIN power_in Input voltage; recommended operating range is 2.7V to 5.5V.
10 SLEEP input Sleep mode logic input: high selects sleep mode with the output driven by a low-power linear regulator, low selects full-power mode with the output driven by the switched-capacitor regulator.
11 GND passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-10-EP(3x3)
Category Power Supply Chip
Pins 11

CAD (KiCad official)

  • Symbol: LM2770SD-1215
  • Footprint: Package_SON:VSON-10-1EP_3x3mm_P0.5mm_EP1.2x2mm
  • 3D model: WSON-10-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: lm2770sd-1215-etched.step / lm2770sd-1215-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2770sd-1215.step / lm2770sd-1215.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (20 pp, sha256 2ba4cc905d53992c, 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