PJ432 Datasheet | Promax-Johnton





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PJ432 Datasheet PDF

Part Number PJ432
Description (PJ432x) Adjustable Precision Shunt
Manufacture Promax-Johnton
Total Page 8 Pages
PDF Download Download PJ432 Datasheet

Features: Datasheet pdf www.DataSheet4U.com PJ432/PJ432A/PJ432B Adjustable Precision Shunt T he PJ43 2 is a three-terminal adjustable shunt regulator with specified thermal stabil ity. The output voltage may TO-92 be set to any value between Vref (approxim ately 1.24V) and 18V with two external resistors. The PJ432 has a typical outp ut impedance of 0.15 Ω . Active outpu t circuitry Pin: 1. Reference 2. Anode 3. Cathode provides a very sharp turn -on characteristic, making the PJ432 ex cellent replacement for zener diode in many applications. SOT-89 Pin: 1. Refer ence 2. Cathode 3. Anode FEATURES z z z z z z z z Equivalent Full-Range Temp erature Coefficient 50 ppm/℃ Temperat ure Compensated for Operation over Full Rated Operating Temperature Range Adju stable Output Voltage Fast Turn-On Resp onse Sink Current Capability of 1.0 to 100 mA Low(0.15 Ω Type) Dynamic Outpu t Impedance Low Output Noise SOT-23 Pi n: 1. Reference 2. Cathode 3. Anode SY MBOL REFERENCE (R) ANODE (A) CATHODE (K) ORDERING INFORMATION Devic.

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PJ432 Datasheet
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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

PJ432 Datasheet
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PJ432/PJ432A/PJ432B
Adjustable Precision Shunt
RECOMMENDED OPERATING CONDITIONS
Parameter
Cathode voltage, VKA
Cathode current, IK(for regulation)
MIN
Vref
1
MAX
18
100
TYP
V
mA
ELECTRICAL CHARACTERISTICS AT 25FREE-AIR TEMPERATUREUnless Otherwise Noted
Parameter
Reference Voltage
PJ432A
PJ432
PJ432B
Vref Temp. Deviation
Reference Input Current
Radio of change in Vref to
Change in Cathode Voltage
Iref Temp. Deviation
Minimum Operating Current
Off-state Cathode Current
Dynamic Output Impedance
Symbol
Vref
VDEV
Iref
Vref
VKA
Iref(DEV)
Imin
Ioff
|ZKA|
Test Conditions
VKA=Vref,IK=10mA
TA = +25
TA=-40to+85
VKA= Vref, IK=10mA
R1=10KΩ,R2= , IK=10mA
IK=10mA, VKA =16V to Vref
TA=-40 to+85
R1=10K,R2= , IK=10mA
VKA=Vref
Vref=0V
VKA=6V
VKA=16V
f<1KHz, VKA=Vref
IK=100μA to 100mA
MIN
1.233
1.227
1.215
--
--
--
--
--
--
--
--
Typ MAX UNIT
1.240
1.240
1.240
10
0.15
-1.0
1.246
1.252
1.264
25
4.0
-2.7
V
mV
μA
mV/V
0.1 4.0 μA
60 200 μA
0.5
0.5
2.0
2.0
μA
0.25 0.4
Ω
Note 4. Deviation of reference input voltage, VDEV , is defined as the maximum vatiation of the reference over the full temperature
range.
The average temperature coefficient of the reference input voltageαVref is defined as:
…………………….. (PPM/)
Where :
T2-T1=full temperature change.
αVref can be positive or negativedepending on whether the slope is positive or negative.
Note 4. The dynamic output impedance, Rz, is defined as :
When the device is programmed with two external resistors R1and R2(see Figure 2). The dynamic output impedance of the
overall circuit, is defined as :
2-8 2003/01.ver.A




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