LM903 datasheet(3/8 Pages) NSC

3 / 8 page

Electrical Characteristics (Continued)

VCC e 12V CT e 33 mF RT e 75 kX TA within operating range except where stated otherwise

Tested Limits

Design Limits

Symbol

Parameter

Conditions

(Note 2)

(Note 3)

Units

Min

Max

Min

Typ

Max

V14

Auxiliary Output

Lamp OFF

Voltage

Lamp ON

Alarm Level

(Difference Between First

230

280

330

and Second Measurement)

Sensitivity to Electrostatic Discharge

Pins 7 10 13 and 14 will withstand greater than 1500V when tested using 100 pF and 1500X in accordance with National

Semiconductor standard ESD test procedures All other pins will withstand in excess of 2 kV

Note 1

Test circuit for overvoltage capability at pins 3 6 7

Note 2

Guaranteed 100% production tested at 25 C These limits are used to calculate outgoing quality levels

Note 3

Limits guaranteed to include parametric variations TA eb40 Cto a80 C and from VCC e 75V–18V These limits are not used to calculate AOQL

figures

Note 4

Variations over temperature range are not production tested

TLH5699 – 2

In Lamp ON condition I9 should be limited to 600 mA

Block and Application Circuit

TLH5699 – 3

Memory capacitor on pin 15 is set

HighLamp off

LowLamp on

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