NTE999 NTE ELECTRONICS, NTE999 Datasheet
NTE999
Manufacturer Part Number
NTE999
Description
Replacement Semiconductors TO-92 ADJ SHUNT REG
Manufacturer
NTE ELECTRONICS
Datasheet
1.NTE999.pdf
(2 pages)
Specifications of NTE999
Topology
Shunt, Programmable
Reference Voltage
2.495V
Reference Voltage Tolerance
8mV
Voltage Reference Case Style
TO-92
No. Of Pins
3
Temperature Coefficient
30ppm/°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Description:
The NTE999 is a three–terminal adjustable shunt regulator with guaranteed thermal stability over a
temperature range of –0 to +70 C. The output voltage may be set to any value between V
mately 2.5V) and 36V with two external resistors. This device has a typical dynamic output imped-
ance of 0.2 . Active output circuitry provides a very sharp turn–on characteristic, making the NTE999
an excellent replacement for zener diodes in many applications.
Features:
D Equivalent Full–Range Temperature Coefficient: 30ppm/ C Typ
D Adjustable Output Voltage
D Fast Turn–On Response
D Sink Current Capability: 1mA to 100mA
D Low Dynamic Output Impedance: 0.2
D Low Output Noise Voltage
Absolute Maximum Ratings: (T
Cathode Voltage (Note 1), V
Continuous Cathode Current Range, I
Reference Input Current Range, I
Continuous Power Dissipation, P
Operating Ambient Temperature Range, T
Storage Temperature Range, T
Lead Soldering Temperature (.0625 (1.6mm) from case for 10s), T
Recommended Operating Conditions:
Cathode Voltage, V
Cathode Current (For Regulation), I
Note 1. Voltage values are with respect to the anode terminal unless otherwise specified.
Up to +25 C
Derate Above +25 C
Min
Max
Min
Max
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
KA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustable Precision Shunt Regulator
KA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D
ref
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= 0 to +70 C unless otherwise specified)
K
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated Circuit
K
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
opr
NTE999
Typ
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
L
. . . . . . . . . . . . . . . . . . . . .
–100mA to 150mA
–50 A to 10mA
–65 to +150 C
0 to +70 C
ref
6.2mW/ C
(approxi-
775mW
100mA
260 C
1mA
37V
36V
V
ref
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NTE999 Summary of contents
Page 1
... C. The output voltage may be set to any value between V mately 2.5V) and 36V with two external resistors. This device has a typical dynamic output imped- ance of 0.2 . Active output circuitry provides a very sharp turn–on characteristic, making the NTE999 an excellent replacement for zener diodes in many applications. ...
Page 2
Electrical Characteristics: (T Parameter Reference Input Voltage Deviation of Reference Input Voltage Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Reference Input Current Deviation of Reference Input Current Minimum Cathode Current for Regulation Off–State Cathode ...