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DX1033E

Public Made by Adom

by adom

Dersem LED Drivers, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DX1033E

Dersem · LED Drivers · ESOP-8

DX1033E from Dersem, in a ESOP-8. 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 VDD power_in Chip supply input, clamped to about 5.2 V typical with an absolute maximum of -0.3 to 6.0 V, and must be decoupled with at least 1.0 uF placed close to the pin.
2 PWM1 input PWM dimming input for output channel 1 where high enables the output and low turns it off, with an internal 100 uA pull-up, an absolute maximum of -0.3 to 6.0 V, and a minimum response time of 50 ns.
3 PWM2 input PWM dimming input for output channel 2 where high enables the output and low turns it off, with an internal 100 uA pull-up, an absolute maximum of -0.3 to 6.0 V, and a minimum response time of 50 ns.
4 PWM3 input PWM dimming input for output channel 3 where high enables the output and low turns it off, with an internal 100 uA pull-up, an absolute maximum of -0.3 to 6.0 V, and a minimum response time of 50 ns.
5 CS passive Current-setting pin where an external resistor sets the output current of all three channels, with a regulation voltage of about 1.2 V typical and an absolute maximum of -0.3 to 6 V.
6 IOUT3 output Constant-current driver output for channel 3, rated for 20 to 350 mA and withstanding up to 50 V.
7 IOUT2 output Constant-current driver output for channel 2, rated for 20 to 350 mA and withstanding up to 50 V.
8 IOUT1 output Constant-current driver output for channel 1, rated for 20 to 350 mA and withstanding up to 50 V.
9 GND power_in Chip ground, which is the package base (exposed pad) and should be connected to a copper area on the PCB for heat dissipation.

Key specifications

Parameter Value
Manufacturer Dersem
Package ESOP-8
Category LED Drivers
Pins 9

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output current per channel IOUT 20 350 mA 3
VDD chip supply voltage (absolute maximum) VDD -0.3 6 V 2
Constant-current output port withstand voltage VIOUT1~2 -0.3 50 V 2
PWM input voltage VPWM -0.3 6 V 2
CS port withstand voltage VCS -0.3 6 ℃ 2
Storage temperature TSTG -40 150 ℃ 2
ESD human body model HBM 2 KV Human body model; printed as '>2 KV' (lower bound only) 2
Input voltage range 5 46 V 1

CAD (KiCad official)

  • Symbol: DX1033E
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm
  • 3D model: ESOP-8 (KiCad packages3D, STEP)
  • 3D model files: dx1033e-etched.step / dx1033e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dx1033e.step / dx1033e.glb are the bare package body.

Provenance

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

  • Datasheet: Dersem datasheet (8 pp, sha256 a0d56bf96c5434ce, retrieved 2026-10-16, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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