Photocoupler LITEON LTV-3120 with high peak output current and operation across wide temperature range

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Product Description

LTV-3120 Series Photocoupler

The LTV-3120 series photocoupler is designed for driving power IGBTs and MOSFETs in motor control inverters and power supply systems. It features a high peak output current of 3.0A, capable of directly driving IGBTs up to 1200V/100A, or driving higher-rated IGBTs via a discrete power stage. This device offers rail-to-rail output voltage, under-voltage lock-out protection, and high common mode rejection, ensuring reliable operation across a wide temperature range of -40C to +110C.

Product Attributes

Brand: LITE-ON Technology Corp.
Origin: Taiwan, R.O.C.
Certifications: UL/cUL Recognized, IEC/EN/DIN EN 60747-5-5
MSL Level: 1

Technical Specifications

Parameter	Symbol	Min.	Typ.	Max.	Unit	Test Condition	Note
Electrical Optical Characteristics
Input Forward Voltage	VF	1.2	1.37	1.8	V	IF = 10mA	13
Input Forward Voltage Temperature Coefficient	VF/ T		-2.0		mV/OC	IF = 10mA
Input Reverse Voltage	BVR	5			V	IR = 10A
Input Threshold Current (Low to High)	IFLH		1.8	5	mA	VCC = 30 V, VO > 5V	6, 7 ,18
Input Threshold Voltage (High to Low)	VFHL	0.8			V	VCC = 30 V, VO
Input Capacitance	CIN		33		pF	f = 1 MHz, VF = 0 V
Output High Level Supply Current	ICCH		1.7	3.0	mA	IF = 10 mA, VCC = 30V, VO = Open	4, 5
Low Level Supply Current	ICCL		2.0	3.0	mA	IF = 0 mA, VCC = 30V, VO = Open
High level output current	IOH			-1.0	A	VO = (VCC 1.5 V)	11, 16
				-3.0		VO = (VCC 4 V)	2
Low level output current	IOL	1.0			A	VO = (VEE + 1.5 V)	12, 17
		3.0				VO = (VEE + 4 V)	2
High level output voltage	VOH	VCC - 0.3		VCC - 0.1	V	IF = 10mA, IO = -100mA	1, 2, 14
Low level output voltage	VOL		VEE + 0.1	VEE + 0.25	V	IF = 0mA, IO = 100mA	3, 15
UVLO Threshold (High)	VUVLO+	11.0	12.7	13.5	V	VO > 5V, IF = 10 mA	19
UVLO Threshold (Low)	VUVLO-	9.5	11.2	12.0	V	VO
UVLO Hysteresis	UVLOHYS		1.5		V
Switching Specification
Propagation Delay Time to High Output Level	tPLH	50		500	ns	Rg = 10, Cg = 25nF, f = 10 kHz, Duty Cycle = 50%, IF = 7 to 16 mA, VCC = 10 to 30V, VEE = ground	8, 9, 10, 20
Propagation Delay Time to Low Output Level	tPHL	50		500
Pulse Width Distortion	PWD			100
Propagation delay difference	PDD	-100		100			3
Output Rise Time (10 to 90%)	Tr		35
Output Fall Time (90 to 10%)	Tf		35
Common mode transient immunity at high level output	\|CMH\|	35	50		kV/s	TA = 25C, IF = 10 to 16 mA, VCM = 1500 V, VCC = 30 V	21
Common mode transient immunity at low level output	\|CML\|	35	50		kV/s	TA = 25C, VF = 0 V, VCM = 1500 V, VCC = 30 V
Isolation Characteristic
Withstand Insulation Test Voltage	VISO	5000			V	RH 40%-60%, t = 1min, TA = 25 oC	1, 2
Input-Output Resistance	RI-O		10¹²			VI-O = 500V DC	1
Input-Output Capacitance	CI-O		0.92		pF	f = 1MHz, TA = 25 oC	1