UVTron Driver Hamamatsu C10423

8/17/2019 UVTron Driver Hamamatsu C10423

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Compact, Lightweight, Low Current ConsumptionOperates as High-sensitivity UV Sensor Just by Connecting to a U

Ideal for Fire and Arson Surveillance

Flame detectors for gas and oil lightersFire alarms

Arson watch monitor

Combustion monitors for burners

Electric spark detector

UVTRON® DRIVIN

C10423 SE

TOP V

2 1

7

A

1

2 . 5

.

2.54

7.6

4

5

84

LOT MARKING

4- 3.5

GND

ANODE

SPECIFICATIONS

FEATURES

APPLICATIONS

The C10423 series is compact power supply and signal processingcircuit developed to drive the high-sensitivity UV sensor "UVTRONR9454". By using a double-sided printed circuit board we cut the area

size to half that of conventional drive circuits.Since the high-voltage supply and signal processor are mounted on the

same circuit board, the C10423 can be operated as a high-sensitivity UVsensor just by connecting a UVTRON and supplying a low DC voltage.

The signal processing circuit cancels out background dischargeswhich may occur in the UVTRON due to natural excitation light (cos-

mic rays, solar UV rays, etc.). This minimizes erroneous detection sothe C10423 output signal can be used without additional filtering.Combining the C10423 with a high-sensitivity "UVTRON R9454" (sold

separately) for use as a flame detector yields sensitivity capable of de-tecting the flame from a cigarette lighter (flame length 25 mm) even at

distances up to 5 meters away.

UnitParameter

Output Signal

UVTRON Supply Voltage

Quenching Time

Suitable UVTRON

Operating Ambient Temperature C

Open Collector Output(50 V, 80 mA Max.)

10 ms with pulse output A

400 B

Approx. 25

R9454 (sold separately)

-10 to +50

—

V

ms

—

°C

Description / Value

Figure 1: DIMENSIONAL OUT


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Figure 1: Schematic Diagram

Figure 2: Method of Connection

PRECAUTIONS FOR USESince the operation impedance is extremely high, the UVTRON should be connected as close as po

board within 5 cm.

Take care to avoid external noise since a C-MOS IC is used in the circuit. It is recommended that the wh

in the shield box when it is used

UVTRON® DRIVING CIRCUIT C10423 SERIES

C 1 0 4 2 3

CX

J1J2J3J4

2 1

G GA K

+ –

7

A

1

The background cancel circuit of theto output a signal only when 1 to 9 ofrom the UVTRON are detected coseconds. The background cancel lever position 3 pulses (J2) before shippused in locations where a high amoution (background) light is present, thebe changed by reconnecting the jumpes (J3) or 9 pulses (J4). When this icontact us. We will change the jumpe

POWER SUPPLY INPUTAND SIGNAL OUTPUT POINT

–: GND

+: POWER SUPPLY (DC)1: OPEN COLLECTOR OUTPUT (1)D2: OPEN COLLECTOR OUTPUT (2)D*

CONNECTING POINT OF UVTRON

A: Connecting Anode of UVTRON K: Connecting Cathode of UVTRON

CHIP JUMPERS FOR SETTING

BACKGROUND CANCEL LEVEL

CX: POINT FOR ADDING A CAPAC

EXTEND OUTPUT PULSE WID

DThe recommended rating of the open-collector transistor is 50 V / 80 mA. The maximum rating of the opentransistor is 50 V / 100 mA. When the circuit is connected to a relay or buzzer, use caution not to exceed this EThe C10423 output pulse width is set to 10 ms before shipment. To expand the pulse width, connect a capac

terminal. (Make sure the polarity is correct when using an electrolytic capacitor.)Example: CX = 1 µF, Pulse width = Approx. 1 s

CX = 10 µF, Pulse width = Approx. 10 s

* C10423-01 does not read out "OPEN COLLECTOR OUTPUT (2)".

NOTE:

UVTRON R9454

(SOLD SEPARATELY)

KA

CATHODEANODE

POWER SUPPLY

INPUT

+

–GND

CONSTANT

VOLTAGE

CIRCUIT

HIGH VOLTAGE

DC-DC

CONVERTER

SIGNALPROCESSING

CIRCUIT

10 ms E

GND

GND

5 V

5 V

OUTPUT SIGNAL

WAVEFORM

51 93

+400 V

Tr: 50 V • 80 mA

+5 V

CHIP JUMPER FOR

SETTING BACKGROUND

CANCEL LEVEL

J3J1 J4J2 OPEN CO

OUTPUT

OPEN CO

OUTPUTHi

Lo

Hi

Lo

Chip Jumper Number of PulsesJ1J2J3J4

1 (Without Background Cancel)3 (Normal Setting)59


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UVTron Driver Hamamatsu C10423