International Rectifier PVA2352, PVA3324, PVA3354 Datasheet
PD 1.021D
Series PVA33
Microelectronic
Power IC Relay
Single-Pole, 130mA, 0-300V AC/DC
BOSFET® Photovoltaic Relay
General Description
The Photovoltaic AC Relay (PVA) is a single-pole, normally open solid state replacement for electro-mechanical relays used for general purpose switching of
analog signals. It utilizes as an output switch a unique
bidirectional (AC or DC) MOSFET power IC termed a
BOSFET. The BOSFET is controlled by a photovoltaic
generator of novel construction, which is energized by
radiation from a dielectrically isolated light emitting diode (LED).
The PVA overcomes the limitations of both conventional and reed electromechanical relays by offering
the solid state advantages of long life, high operating
speed, low pick-up power, bounce-free operation, low
thermal voltages and miniaturization. These advantages allow product improvement and design innovations in many applications such as process control,
multiplexing, telecommunications, automatic test
equipment and data acquisition.
The PVA can switch analog signals from thermocouple
level to 300 volts peak AC or DC polarity. Signal frequencies into the RF range are easily controlled and
switching rates up to 5kHz are achievable. The extremely small thermally generated offset voltages allow
increased measurement accuracies.
Unique silicon technology developed by International
Rectifier forms the hear t of the PVA. The monolithic
BOSFET contains a bidirectional N-channel power
MOSFET output structure. In addition, this power IC
chip has input circuitry for fast turn-off and gate protection functions. This section of the BOSFET chip utilizes
both bipolar and MOS technology to form NPN transistors, P-channel MOSFETs, resistors, diodes and capacitors.
The photovoltaic generator similarly utilizes a unique
International Rectifier alloyed m ultijunction structure.
The excellent current conversion efficiency of this technique results in the very fast response of the PVA microelectronic power IC relay.
This advanced semiconductor technology has created
a radically new control device. Designers can now develop switching systems to new standards of electrical
performance and mechanical compactness.
PVA33 Features
BOSFET Power IC
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10
10
Operations
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100µsec Operating Time
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0.2µVolt Thermal Offset
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3 milliwatts Pick-Up Power
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1000V/µsec dv/dt
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Bounce-Free
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8-pin DIP Package
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-40°C to 85°C
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UL recognized
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Part Identification
Part Number Operating Sensitivity Off-State
Voltage (AC/DC) Resistance
PVA2352 0 - 200V 5mA 108 Ohms
PVA3324
0 – 300V
2 mA
10
10
Ohms
PVA3354 5mA
(BOSFET is a trademark of International Rectifier)
Series PVA33 BOSFET® Photovoltaic Relay
INPUT CHARACTERISTICS PVA2352 PVA3324 PVA3354 Units
Minimum Control Current (see figures 1 and 2) DC
For 20mA Continuous Load Current 2.0 1.0 2.0 mA@25°C
For 100mA Continuous Load Current 5.0 2.0 5.0 mA@25°C
For 10mA Continuous Load Current 5.0 2.0 5.0 mA@85°C
Maximum Control Current for Off-State Resistance at 25°C 10 µA(DC)
Control Current Range (Caution: current limit input LED. See figure 6) 2.0 to 25 mA(DC)
Maximum Reverse Voltage 7.0 V(DC)
Electrical Specifications (-40°C ≤ TA ≤ +85°C unless otherwise specified)
GENERAL CHARACTERISTICS (PVA2352, PVA3324 and PVA3354) Units
Dielectric Strength: Input-Output 2500 V
RMS
Insulation Resistance: Input-Output @ 90V
DC
10
12
@ 25°C - 50% RH Ω
Maximum Capacitance: Input-Output 1.0 pF
Max. Pin Soldering Temperature (1.6mm below seating plane, 10 seconds max.) +260
Ambient Temperature Range: Operating -40 to +85 °C
Storage -40 to +100
OUTPUT CHARACTERISTICS PVA2352 PVA3324 PVA3354 Units
Operating Voltage Range 0 to ± 200 0 to ± 300 V
(PEAK)
Maxiumum Load Current 40°C (see figures 1and 2) 130 mA(DC)
Max. On-state Resistance 25°C (Pulsed) (fig. 4) 50 mA Load, 5mA Control 24 Ω
Min. Off-state Resistance @ 25°C (see figure 5) 108@160VDC 10
10
@ 240VDC Ω
Response Time @25°C (see figures 7 and 8)
Max. T
(on)
@ 12mA Control, 50 mA Load, 100 VDC 100 µs
Max. T
(off)
@ 12mA Control, 50 mA Load, 50 VDC 50 µs
Max. Thermal Offset Voltage @ 5.0mA Control 0.2 µvolts
Min. Off-State dv/dt 1000 V/µs
Output Capacitance (see figure 10) 12 pF @ 50VDC
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