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DIO8650ECST6

DIOO · LED Drivers · SOT-23-6

DIO8650ECST6 from DIOO, in a SOT-23-6. 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 CS input Current sense pin connected to the primary switch source, with the sense resistor between it and GND; also detects a shorted transformer or secondary, with 0.45 V current limit reference and 300 ns leading edge blanking.
2 GND power_in Ground pin.
3 COMP passive Loop compensation pin; connect an RC network between this pin and ground to stabilize the control loop.
4 ZCS input Inductor current zero-crossing detection input from the auxiliary winding resistor divider, also providing over voltage protection (threshold 1.5 V) and line regulation modification, with absolute maximum of -0.3 V to VIN+0.3 V.
5 VIN power_in Power supply pin with recommended 9.5 to 27 V range (absolute maximum 33 V), also providing output over voltage protection along with ZCS (30 V OVP).
6 DRV output Gate driver output connected to the gate of the primary MOSFET, clamped at 12 V with absolute maximum of -0.3 to 33 V.

Key specifications

Parameter Value
Manufacturer DIOO
Package SOT-23-6
Category Display Modules / LED Drivers / Display Drivers
Pins 6

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
VIN, DRV voltage -0.3 33 V 3
Supply Current IVIN 15 mA 3
CS, COMP voltage -0.3 5 V 3
Power Dissipation SOT23-6 PD 0.6 W TA = 25°C, SOT23-6 3
Thermal Resistance junction-ambient SOT23-6 ӨJA 170 °C/W SOT23-6 3
Thermal Resistance junction-case SOT23-6 ӨJC 130 °C/W SOT23-6 3
Storage Temperature Range -65 150 °C 3
Junction Temperature Range 150 °C 3
Lead Temperature Range 260 °C 3
ESD HBM 2000 V JEDEC: JESD22-A114 3
ESD MM 200 V JEDEC: JESD22-A115 3
Supply Voltage 9.5 27 V 3
Ambient Temperature Range TA -40 125 °C 3
VIN turn-on threshold VVIN,ON 25.3 V VIN = 12V, TA = 25°C 4
VIN turn-off threshold VVIN,OFF 8.5 V VIN = 12V, TA = 25°C 4
VIN OVP voltage VVIN,OVP 30 V VIN = 12V, TA = 25°C 4
Start up Current IST 15 µA VVIN< VIN,OFF 4
Shunt current in OVP mode IVIN_OVP 1.6 2 2.5 mA After VVIN>V VIN,OVP, then set VIN=15V 4
Quiescent Current IQ 0.26 mA No switching 4
Operation current IVIN 0.36 mA CL=100pF,f=15kHz 4
Internal reference voltage VREF 0.294 0.3 0.306 V 4
ZCS pin OVP voltage threshold VZCS,OVP 1.5 V 4
Fast start up threshold VFAST_ST 0.55 V 4
Current limit reference voltage VCS.LMT 0.45 V 4
CC Feed forward coefficient K2 0.1 4
CC Feed forward resistor RK2 340 Ω 4
Max on time TON.MAX 15.7 µs COMP high clamp 4
Leading edge blanking time TLEB 300 ns 4
Max OFF time TOFF,MAX 151 µs 4
ZCD Blanking Time TLEB.ZCD 2 µs After turn off 4
Maximum switching frequency fMAX 115 kHz 4
Output Clamp Voltage VGATE_CLAMP 12 V VCC=20V 4
Rising time 10% to 90% TRISING 410 ns CLOAD=1nF 4
Falling time 90% to 10% TFALLING 50 ns CLOAD=1nF 4
Thermal Shutdown Temperature TSD 150 °C 4

CAD (KiCad official)

  • Symbol: DIO8650ECST6
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: dio8650ecst6-etched.step / dio8650ecst6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); dio8650ecst6.step / dio8650ecst6.glb are the bare package body.

Provenance

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

  • Datasheet: DIOO datasheet (10 pp, sha256 09ad7a7d3f8b3bf1, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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