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LM2717MTX

Public Made by Adom

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Texas Instruments DC-DC Converters, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM2717MTX

Texas Instruments · DC-DC Converters · TSSOP-24

LM2717MTX from Texas Instruments, in a TSSOP-24. 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 PGND power_in Power ground; PGND and AGND pins must be connected together directly at the part.
2 PGND power_in Power ground; PGND and AGND pins must be connected together directly at the part.
3 AGND power_in Analog ground; PGND and AGND pins must be connected together directly at the part.
4 FB1 input Fixed buck output voltage feedback input, with a VFB1 of 3.3V.
5 VC1 passive Fixed buck compensation network connection, connected to the output of the voltage error amplifier; the voltage is limited to 1.75V ≤ VC1 ≤ 2.25V.
6 VBG passive Bandgap connection.
7 VC2 passive Adjustable buck compensation network connection, connected to the output of the voltage error amplifier; the voltage is limited to 0.965V ≤ VC2 ≤ 1.565V.
8 FB2 input Adjustable buck output voltage feedback input, with a VFB2 of 1.267V.
9 AGND power_in Analog ground; PGND and AGND pins must be connected together directly at the part.
10 AGND power_in Analog ground; PGND and AGND pins must be connected together directly at the part.
11 PGND power_in Power ground; PGND and AGND pins must be connected together directly at the part.
12 PGND power_in Power ground; PGND and AGND pins must be connected together directly at the part.
13 SW2 output Adjustable buck power switch node; the switch is connected between the VIN pins and the SW2 pin, with an absolute maximum of 22V.
14 VIN power_in Analog power input; VIN pins should be connected together directly at the part, with an input range of 4V to 20V.
15 VIN power_in Analog power input; VIN pins should be connected together directly at the part, with an input range of 4V to 20V.
16 CB2 passive Adjustable buck converter bootstrap capacitor connection; a 4.7nF ceramic capacitor or larger is recommended.
17 SHDN2 input Shutdown pin for adjustable buck converter, active low, usable with 1.8V or higher logic and not to exceed 7.5V.
18 SS2 passive Adjustable buck soft start pin, with a soft-start current of 9µA typical (4µA to 15µA).
19 FSLCT input Switching frequency select input; a resistor sets the frequency anywhere between 300kHz and 600kHz, with a voltage range of AGND to 5V.
20 SS1 passive Fixed buck soft start pin, with a soft-start current of 9µA typical (4µA to 15µA).
21 SHDN1 input Shutdown pin for fixed buck converter, active low, usable with 1.8V or higher logic and not to exceed 7.5V.
22 CB1 passive Fixed buck converter bootstrap capacitor connection; a 4.7nF ceramic capacitor or larger is recommended.
23 VIN power_in Analog power input; VIN pins should be connected together directly at the part, with an input range of 4V to 20V.
24 SW1 output Fixed buck power switch node; the switch is connected between the VIN pins and the SW1 pin, with an absolute maximum of 22V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-24
Category Power Management (PMIC)
Pins 24

CAD (KiCad official)

  • Symbol: LM2717MTX
  • Footprint: Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm
  • 3D model: TSSOP-24 (KiCad packages3D, STEP)
  • 3D model files: lm2717mtx-etched.step / lm2717mtx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2717mtx.step / lm2717mtx.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (21 pp, sha256 2a51363549625b7b, 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