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Dual channel Darlington transistor array LANKE LK1802 with 500mA collector output current and SOT23 6 package

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Dual channel Darlington transistor array LANKE LK1802 with 500mA collector output current and SOT23 6 package

Current - Collector(Ic) : 500mA

Collector - Emitter Voltage VCEO : 50V

Description : 500mA 50V SOT-23-6 Bipolar Transistor Arrays RoHS

Mfr. Part # : LK1802

Model Number : LK1802

Package : SOT-23-6

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Product Overview

The LK1802 is a dual high-current Darlington array designed for driving inductive loads such as relays and stepper motors. Each channel features a Darlington transistor with a freewheeling diode, capable of delivering 500mA collector output current. The device is compatible with TTL/CMOS logic signals and is available in a SOT23-6 package. Its integrated base resistors and pull-down resistors simplify interfacing with microcontrollers.

Product Attributes

Brand: (Lanker Semiconductor)
Origin: (Shenzhen)
Packaging: SOT23-6

Technical Specifications

Parameter	Symbol	Condition	Min	Typ	Max	Unit
Absolute Maximum Ratings (TA=25, unless otherwise specified)
Collector-Emitter Voltage	VCE		-0.5		50	V
COM Terminal Voltage	VCOM				50	V
Input Voltage	VI		-0.5		7	V
Collector Peak Current	ICP	per channel			500	mA
Output Clamp Diode Forward Peak Current	IOK				500	mA
Total Emitter Max Peak Current	IET				-1.0	A
Max Operating Junction Temperature	TJ				150
Soldering Temperature		10s			260
Storage Temperature Range	Tstg		-60		+150
Recommended Operating Conditions (TA=25, unless otherwise specified)
Collector-Emitter Voltage	VCE		0		50	V
Output Current	IOUT	TPW=25ms, TA=85, TJ=120, Duty=10%	0		350	mA/ch
Output Current	IOUT	Duty=50%	0		70	mA/ch
Control Signal Input Voltage	VIN		0		7	V
Input Voltage (Output ON)	VIN(ON)	Iout=250mA	2.7		7	V
Input Voltage (Output OFF)	VIN(OFF)		0		0.6	V
Clamp Diode Reverse Voltage	VR				50	V
Clamp Diode Forward Peak Current	IF				350	mA
Operating Temperature Range	TA		-40		+85
Electrical Characteristics (TA=25, unless otherwise specified)
Turn-on Input Voltage	VI(ON)	VCE=2.0V, IC=250mA	2.7	3.0		V
Turn-on Input Voltage	VI(ON)	VCE=2.0V, IC=350mA		4.5		V
Collector-Emitter Saturation Voltage	VCE(SAT)	IC=250mA, II=250uA	0.9	1.1		V
Collector-Emitter Saturation Voltage	VCE(SAT)	IC=350mA, II=350uA	1.0	1.3		V
Collector-Emitter Saturation Voltage	VCE(SAT)	IC=200mA, II=200uA		2.4		V
Collector-Emitter Saturation Voltage	VCE(SAT)	IC=350mA, II=500uA		1.3	1.6	V
Clamp Diode Forward Voltage	VF	IF=350mA		1.7	2.0	V
Collector Cut-off Leakage Current	ICEX	VCE=50V, II=0			50	A
Collector Cut-off Leakage Current	ICEX	VCE=50V, TA=85, VI=0V			100	A
Input Current	II	VCE=2.0V, IC=100mA, VIN=3.3V		3.0		mA
Input Current	II	VCE=2.0V, IC=200mA, VIN=2.4V			4.5	mA
Clamp Diode Reverse Current	IR	VR=50V			100	A
Input Capacitance	CIN			15		pF
Propagation Delay Low-to-High	tPLH	VL=5V, RL=45		0.15	1	s
Propagation Delay High-to-Low	tPHL	VL=5V, RL=45		0.15	1	s

2204011730_LANKE-LK1802_C2984831.pdf

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