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Part Number: NTE999M
Description: The NTE999M integrated circuit is a threeterminal programmable shunt regulator. This monolithic IC voltage refere...
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NTE999M
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DataSheet
General Description
NTE999M General Description
The NTE999M integrated circuit is a threeterminal programmable shunt regulator. This monolithic IC voltage reference operates as a low temperature coefficient zener which is programmable from Vref to 36 volts with two external resistors. This device exhibits a wide operating current range of 1.0 to 100mA with a typical dynamic impedance of 0.22Ω. The characteristics of this reference make it an excellent replacement for zener diodes in many applications such as digital voltmeters, power sup-plies, and op amp circuitry. The 2.5 volt reference makes it convenient to obtain a stable reference from 5.0 volt logic supplies, and since the NTE999M operates as a shunt regulator, it can be used as either a positive or negative voltage reference.
NTE999M Maximum Ratings
Cathode to Anode Voltage, VKA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37V
Cathode Current Range, Continuous, IK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 to +150mA
Reference Input Current Range, Continuous, Iref . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.05 to +10mA
Total Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.8mW/°C
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . +150°C
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65° to +150°C
Thermal Resistance, JunctiontoAmbient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178°C/W
Thermal Resistance, JunctiontoCase, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83°C/W
Lead Temperature (During Soldering, 1/16" from case for 10sec), TL . . . . . . . . . . . . . . . . . . +260°C.
Cathode Current Range, Continuous, IK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 to +150mA
Reference Input Current Range, Continuous, Iref . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.05 to +10mA
Total Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 725mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.8mW/°C
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . +150°C
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65° to +150°C
Thermal Resistance, JunctiontoAmbient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178°C/W
Thermal Resistance, JunctiontoCase, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83°C/W
Lead Temperature (During Soldering, 1/16" from case for 10sec), TL . . . . . . . . . . . . . . . . . . +260°C.
NTE999M Features
Programmable Output Voltage to 36 Volts
Voltage Reference Tolerance: ±1.0%
Low Dynamic Output Impedance: 0.22Ω Typical
Sink Current Capability of 1.0 to 100mA
Equivalent Full Range Temperature Coefficient of 50ppm/°C Typical
Temperature Compensated for Operation over Full Rated Operating Temperature Range
Low Output Noise Voltage.
Voltage Reference Tolerance: ±1.0%
Low Dynamic Output Impedance: 0.22Ω Typical
Sink Current Capability of 1.0 to 100mA
Equivalent Full Range Temperature Coefficient of 50ppm/°C Typical
Temperature Compensated for Operation over Full Rated Operating Temperature Range
Low Output Noise Voltage.
NTE999M Connection Diagram
NTE999M
PDF/DataSheet Download
- Datasheet: NTE999M
- File Size: 26069 KB
- Manufacturer: NTE [NTE Electronics]
- Click here to Download
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