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Generated by kicad-footprint-generator · KiCad file format 20260206

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ETA1611S2G

etasolution · DC-DC Converters · SOT-23-6

ETA1611S2G from etasolution, 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	SW	output	Inductor connection: connect an inductor between SW and IN; the SW pin voltage is rated -0.3V to 25V absolute maximum.
2	GND	power_in	Ground pin for the device.
3	FB	input	Feedback input for current: connect an external resistor from FB to GND to set IOUT; FB is regulated to a 200mV typical reference and FB input current is 50nA max.
4	EN	input	Multi-functional control pin for enable and PWM dimming; the IC is disabled if this pin is floating, with EN input low below 0.6V and high at or above 1.2V.
5	IN	power_in	Input supply pin, operating from 2.7V to 6V; bypass with a 4.7μF or larger ceramic capacitor to GND.
6	NC	unconnected	Not connected internally; leave this pin floating.

Key specifications

Parameter	Value
Manufacturer	etasolution
Package	SOT-23-6
Category	Power Management (PMIC)
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
SW Voltage		-0.3		25	V		2
All Other PIN Voltages		-0.3		6.5	V		2
Junction Temperature				150	°C		2
Storage Temperature Range		-55		150	°C		2
Ambient Temperature Range		-40		85	°C		2
Junction Temperature Range		-40		125	°C		2
Input Voltage Range		2.7		6	V		2
Input UVLO Rising		2	2.32	2.6	V		2
FB Feedback Voltage		194	200	206	mV	VIN = VEN =3.6V	2
Switching Frequency		0.8	1	1.2	MHz	VIN<4.3V	2
Shutdown Supply Current at IN		0		5	μA	VEN=GND	2
UVLO HYS			140		mV		2
FB Input Current			50		nA		2
Quiescent Current at IN			1.8		mA	Switching at Iout=0	2
Quiescent Current at IN			0.25		mA	No Switching	2
Maximum Duty Cycle			90		%		2
NMOS Switch On Resistance			0.1		Ω	ISW =100mA	2
NMOS Switch Current Limit			2.8		A		2
SW Leakage Current			10		μA	VSW=0 or 20V, VEN=GND	2
EN Input Low Voltage			0.6		V		2
EN Input High Voltage			1.2		V		2
Thermal Shutdown			150		°C	Rising, Hysteresis=10°C	2
Thermal Resistance junction-to-case, SOT23-6	θJC		50		oC/W	SOT23-6	2

CAD (KiCad official)

Symbol: ETA1611S2G
Footprint: Package_TO_SOT_SMD:SOT-23-6
3D model: SOT-23-6 (KiCad packages3D, STEP)
3D model files: eta1611s2g-etched.step / eta1611s2g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); eta1611s2g.step / eta1611s2g.glb are the bare package body.

Provenance

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

Datasheet: etasolution datasheet (7 pp, sha256 252a771deeba938c, retrieved 2026-10-15, 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