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Contents

README

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ZXLD1356ET5TA

Diodes Incorporated · LED Drivers · TSOT-23-5

ZXLD1356ET5TA from Diodes Incorporated, in a TSOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 LX output Drain of internal NDMOS switch. Switching node connecting to the external inductor for the step-down (buck) LED driver topology. Rated to 60V (65V for 0.5 sec), switch on-resistance typically 0.5 Ω at 0.55 A.
2 GND power_in Ground (0V) reference for the device.
3 ADJ input Multi-function on/off and brightness control pin. Leave floating for nominal operation (VADJ = VREF = 1.25V, IOUTnom = 0.2V/RS). Drive below 0.2V to turn output off; DC voltage between 0.3V and 2.5V adjusts output current from 24% to 200% of IOUTnom; also accepts PWM for dimming, or a capacitor to ground for soft-start (~0.2ms/nF).
4 ISENSE input LED current sense input. Connect sense resistor RS from this pin to VIN to define nominal average output current IOUTnom = 0.2V/RS (RS min = 0.36 Ω with ADJ open). Mean sense threshold voltage VSENSE = 200 mV typ.
5 VIN power_in Input supply voltage, 6V to 60V (65V for 0.5 sec). Decouple to ground with a 4.7µF or larger X7R ceramic capacitor placed close to the device.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package TSOT-23-5
Category LED-drv
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • ZXLD1356ET5TA
  • ZXLD1356ET5TADACTC
  • ZXLD1356ET5TAQESTTC

CAD (KiCad official)

  • Symbol: ZXLD1356ET5TA
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
zxld1356et5ta.step 85 KB You want the bare part, or you mark your own boards.
zxld1356et5ta-etched.step 2.0 MB You want the part with ZXLD1356ET5TA already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 505 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (29 pp, sha256 22810b3c3d68a419, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF