PJ431B Datasheet | (PJ431x) Programmable Precision References





(Datasheet) PJ431B Datasheet PDF Download

Part Number PJ431B
Description (PJ431x) Programmable Precision References
Manufacture Promax-Johnton
Total Page 11 Pages
PDF Download Download PJ431B Datasheet PDF

Features: www.DataSheet4U.com PJ431/PJ431A/PJ431B Programmable Precision References diod es in many applications such as digital voltmeters, power supplies , and op am p circuitry. The 2.5 volt reference mak es it convenient to obtain a stable ref erence from 5.0 volt logic supplies, an d since The PJ431, A, B operates as a s hunt regulator, it can be used as eithe r a positive or negative tage reference . IC voltage references operate as a l ow temperature coefficient zener which is programmable from Vref to 36 volts w ith two external resistors. These devic es exhibit a wide operating current ran ge of 1.0 to 100mA with a impedance typ ical dynamic these of 0.22Ω. The char acteristics of T he PJ431, A, B integ rated circuits are three-terminal progr ammable shunt regulator diodes. These m onolithic references make them excelle nt replacements for zener FEATURES TO- 92 SOT-89 • • Programmable Output Voltage to 36 Volts Voltage Reference Tolerance: PJ431A : ±0.5%, Typ@25°C PJ431 : ±1%, Typ@25°C Pin: 1. Ref.

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PJ431/PJ431A/PJ431B
Programmable Precision References
The PJ431, A, B integrated circuits are three-terminal
programmable shunt regulator diodes. These monolithic
IC voltage references operate as a low temperature coefficient
zener which is programmable from Vref to 36 volts with two
external resistors. These devices exhibit a wide operating
current range of 1.0 to 100mA with a typical dynamic
impedance of 0.22. The characteristics of these
references make them excellent replacements for zener
FEATURES
Programmable Output Voltage to 36 Volts
Voltage Reference Tolerance:
PJ431A : ±0.5%, Typ@25°C
PJ431 : ±1%, Typ@25°C
PJ431B : ±2%, Typ@25°C
Low Dynamic Output Impedance, 0.22 Typical
Sink Current Capability of 1.0 to 100 mA
Equivalent Full-Range Temperature Coefficient of 50
ppm/ Typical
Temperature Compensated for Operation over Full Rated
Operating Temperature Range
Low Output Noise Voltage
BLOCK DIAGRAM
diodes in many applications such as digital voltmeters, power
supplies , 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 PJ431, A, B operates as a shunt
regulator, it can be used as either a positive or negative tage
reference.
TO-92
SOT-89
Pin: 1. Reference
2. Anode
3. Cathode
SOT-23
Pin: 1. Reference
2. Cathode
3. Anode
Pin: 1. Reference
2. Anode
3. Cathode
(Heatsink surface
connected to Pin 2)
SOP-8
Pin: 1. Cathode
2. Anode
3. Anode
4. N.C.
5. N.C.
6. Anode
7. Anode
8. Reference
SOP-8 is an internally modified SOP-8 Package. Pins 2,3,6
and 7 are electrically common to the die attach flag. This
internal lead frame modification decreases package thermal
resistance and increases power dissipation capability when
appropriately mounted on a printed on a printed circuit board.
SOP-8 conforms to all external dimensions of the standard
SOP-8 Package.
CIRCUIT SCHEMATIC
QRDERING INFORMATION
Device
PJ431/ A/ B CT
PJ431/ A/ B CS
PJ431/ A/ B CY
PJ431/ A/ B CX
Operating Temperature
(Ambient)
- 20~ +85
Package
TO-92
SOP-8
SOT-89
SOT-23
1-11 2003/01 rev.A

                    
           






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