Fairchild Semiconductor CNX39U, CNX36U, CNX35U Datasheet

6-PIN PHOTOTRANSISTOR OPTOCOUPLERS

CNX35U CNX36U CNX38U CNX39U

DESCRIPTION

The CNX35U, CNX36U CNX38U and CNX39U are optically coupled isolators consisting of an infrared emitting GaAs diode and a silicon NPN phototransistor with accessible base. These devices are housed in 6-pin dual-in- line packages (DIP).

FEATURES

•High output/input DC current transfer ratio

•Low saturation voltage

•UL recognized (File # E90700)

•VDE recognized (File # 94766)

-Ordering option ‘300’ (e.g. CNX35U.300)

APPLICATIONS

•Power supply regulators

•Digital logic inputs

•Microprocessor inputs

•Appliance sensor systems

•Industrial controls

6	6
	1
	1

	SCHEMATIC
6
1
ANODE 1	6	BASE
CATHODE 2	5	COL
3	4	EMITTER

	Parameters	Symbol	Device	Value	Units
	TOTAL DEVICE	TSTG	All	-55 to +150	°C
	Storage Temperature
	Operating Temperature	TOPR	All	-40 to +100	°C
	Lead Solder Temperature	TSOL	All	260 for 10 sec	°C
	EMITTER	VR	All	5	V
	Continuous Reverse Voltage
	Continuous Forward Current	IF	All	100	mA
	Forward Current - Peak (10 µs pulse, δ = 0.01)	IF(pk)	All	3.0	A
	Total Power Dissipation up to 25°C Ambient	PD	All	200	mW
	Derate Linearly from 25°C		All	2.0	mW/°C
	DETECTOR	VCEO	CNX38U	80	V
	Collector to Emitter Voltage (open base)
			CNX35U,CNX36U,CNX39U	30
	Collector to Base Voltage (open emitter)	VCBO	CNX38U	120	V
			CNX35U,CNX36U,CNX39U	70
	Emitter to Collector Voltage (open base)	VECO	All	7	V
	DC Collector Current	IC	All	100	mA
	Detector Power Dissipation up to 25°C Ambient	PD	All	200	mW
	Derate Linearly from 25°C		All	2.0	mW/°C

2001 Fairchild Semiconductor Corporation
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6-PIN PHOTOTRANSISTOR OPTOCOUPLERS

CNX35U CNX36U CNX38U CNX39U

ELECTRICAL CHARACTERISTICS (TA = 25°C Unless otherwise specified.)

INDIVIDUAL COMPONENT CHARACTERISTICS

	Parameters	Test Conditions	Symbol	Device	Min	Typ	Max	Units
	EMITTER
	Input Forward Voltage	IF = 10 mA	VF	All		1.15	1.5	V
	Reverse Current	VR = 5 V	IR	All			10	µA
	DETECTOR	VCE = 10 V		CNX35U, CNX36U,CNX39U		2	50	nA
		VCE = 50 V	ICEO	CNX38U		2	50	nA
	Leakage Current Collector to Emitter	VCE = 10 V, TA = 70°C		CNX35U, CNX36U,CNX39U			10	A
		VCE = 50 V, TA = 70°C		CNX38U			10	A
		VCE = 10 V	ICBO	All			20	nA
	Breakdown Voltage
	Collector to Emitter	IC = 1 mA, IF = 0	BVCEO	CNX35U, CNX36U,CNX39U	30			V
				CNX38U	80
	Collector to Base	IC = 0.1 mA, IF = 0	BVCBO	CNX35U, CNX36U,CNX39U	70			V
				CNX38U	120
	Emitter to Collector	IE = 0.1 mA, IF = 0	BVECO	All	7			V

ISOLATION CHARACTERISTICS

	Characteristic	Test Conditions	Symbol	Min	Typ	Max	Units
	Input-Output Isolation Voltage	t = 1 min.	VISO	5,300			VRMS
	Isolation Resistance	VI-O = 500 VDC	RISO	1	10		T!
	Isolation Capacitance	IF =0, V = 0V, f = 1 MHz	CISO		0.6	1.3	pF

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6-PIN PHOTOTRANSISTOR OPTOCOUPLERS

					CNX35U	CNX36U		CNX38U CNX39U
	TRANSFER CHARACTERISTICS (TA = 25°C Unless otherwise specified.)
	DC Characteristics	Test Conditions	Symbol		Device	Min		Typ	Max		Units
					CNX35U	40			160
		IF = 10 mA, VCE = 0.4 V			CNX39U	60			100
	Output/Input Current Transfer Ratio				CNX36U	80			200
		IF = 10 mA, VCE = 10 V	CTR		CNX38U	70			210	%
		IF = 16 mA, VCE = 0.4 V				50
					All	15
		IF = 2 mA, VCE = 5 V
	Collector-Emitter Saturation Voltage	IF = 10 mA, IC = 2 mA		CNX35U, CNX39U				0.15	0.4
		IF = 10 mA, IC = 4 mA	VCE(SAT)		CNX36U			0.19	0.4		V
		IF = 16 mA, IC = 2 mA
					CNX38U			0.2	0.4
	AC Characteristics	Test Conditions	Symbol		Device	Min		Typ	Max		Units
	Non-Saturated Switching Times				CNX35U				20
	Turn-On Time	RL = 100 Ω , IC = 2 mA, VCC = 5 V	ton		CNX39U				20		µ s
					CNX36U				20
	See Fig. 1 and Fig. 2
		RL = 100 Ω , IC = 4 mA, VCC = 5 V			CNX38U				20
					CNX35U				20
		RL = 100 Ω , IC = 2 mA, VCC = 5 V
	Turn-Off Time		toff		CNX39U				20		µ s
	See Fig. 1 and Fig. 2				CNX36U				20
		RL = 100 Ω , IC = 4 mA, VCC = 5 V			CNX38U				20
	Saturated Switching Times				CNX35U				50
		RL = 1 kΩ , IC = 2 mA, VCC = 5 V
	Turn-On Time		ton		CNX39U				50		µ s
					CNX36U				50
	See Fig. 1 and Fig. 2
		RL = 1 kΩ , IC = 4 mA, VCC = 5 V			CNX38U				50
					CNX35U				50
	Turn-Off Time	RL = 1 kΩ , IC = 2 mA, VCC = 5 V
			toff		CNX39U				50		µ s
	See Fig. 1 and Fig. 2				CNX36U				50
		RL = 1 kΩ , IC = 4 mA, VCC = 5 V			CNX38U				50

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