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PDF PJ432A Fiche technique ( Data sheet )

Numéro de référence PJ432A
Description (PJ432x) Adjustable Precision Shunt
Fabricant Promax-Johnton 
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PJ432A Datasheet, Description
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PJ432/PJ432A/PJ432B
Adjustable Precision Shunt
The PJ432 is a three-terminal adjustable shunt regulator
with specified thermal stability. The output voltage may
be set to any value between Vref (approximately 1.24V) and
18V with two external resistors. The PJ432 has a typical
output impedance of 0.15 Ω . Active output circuitry
provides a very sharp turn-on characteristic, making the
PJ432 excellent replacement for zener diode in many
applications.
FEATURES
z Equivalent Full-Range Temperature Coefficient 50 ppm/
z Temperature Compensated for Operation over Full Rated
z Operating Temperature Range
z Adjustable Output Voltage
z Fast Turn-On Response
z Sink Current Capability of 1.0 to 100 mA
z Low(0.15 Type) Dynamic Output Impedance
z Low Output Noise
SYMBOL
REFERENCE (R)
ANODE
(A)
CATHODE
(K)
TO-92
Pin: 1. Reference
2. Anode
3. Cathode
SOT-89
Pin: 1. Reference
2. Cathode
3. Anode
SOT-23
Pin: 1. Reference
2. Cathode
3. Anode
ORDERING INFORMATION
Device
PJ432/A/B CT
PJ432/A/B CX
PJ432/A/B CY
Operating Temperature
(Ambient)
-20to +85
Package
TO-92
SOT-23
SOT-89
ABSOLUTE MAXIMUM RATINGS OVER OPERATING FREE-AIR TEMPERATURE RANGE
(unless otherwise noted)
Parameter
Cathode voltage(see Note 1)
Continuous cathode current range
Reference input current range
Operating free-air Temperature range
Storage Temperature
Lead temperature 1.6mm from case for 10 seconds
Power Dissipation (see Note 2,3)
TO-92
SOT-89
SOT-23
Note 1:Voltage values are with respect to the anode terminal unless otherwise noted.
Note 2: TJ Max = 150
Note 3: Rating apply to ambient temperature at 25
Value
20
-10 to 250
10mA
-20 to +85
-60 to +150
260
0.625
0.80
0.30
Units
V
mA
mA
W
1-8 2003/01.ver.A
PJ432A Fiche technique
www.DataSheet4U.com
PJ432/PJ432A/PJ432B
Adjustable Precision Shunt
FIGURE 1. TEST CIRCUIT FOR VKA = VREF
FIGURE 2. TEST CIRCUIT FOR VKA > VREF
FIGURE 3. TEST CIRCUIT FOR off-state CURRENT
FIGURE 4.CATHODE CURRENT versus CATHODE
VOLTAGE
FIGURE 5.CATHODE CURRENT versus CATHODE
VOLTAGE
FIGURE 6.SHUNT REGULATOR
3-8 2003/01.ver.A

3 Page

PJ432A pdf
www.DataSheet4U.com
PJ432/PJ432A/PJ432B
Adjustable Precision Shunt
6-8 2003/01.ver.A

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