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PDF CL1431D Data sheet ( Hoja de datos )

Número de pieza CL1431D
Descripción Precision Adjustable Shunt Reference
Fabricantes Calogic LLC 
Logotipo Calogic  LLC Logotipo



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No Preview Available ! CL1431D Hoja de datos, Descripción, Manual

CORPORATION
Precision Adjustable
Shunt Reference
CL1431
FEATURES
Temperature-Compensated: 30ppm/oC
Trimmed 0.4% Bandgap Reference
Internal Amplifier with 150mA Capability
Temperature Range: Extended to -55 to 125oC
Low Frequency Dynamic Output Impedance: < 150m
Low Output Noise
Robust ESD Protection
PIN CONFIGURATION (Top View)
DESCRIPTION
The CL1431 is an adjustable shunt regulator designed to act
as an open-loop error amplifier with a 2.5V temperature
compensated reference. Its highly accurate 0.4% bandgap
reference is perfect for applications requiring stability and
accuracy over temperature and life.
Sharp turn-on characteristics and a low temperature
coefficient make the CL1431 an excellent replacement for
many zener diode applications, programmable to any value
greater than 2.5V and up to 36V by using two external
resistors. As a combination error amplifier and reference, it
can be used to manage control loops such as switching power
supplies.
The CL1431 can be used as a direct replacement for the
standard TL431.
ORDERING INFORMATION
Part
CL1431LP
CL1431D
CL1431S
Package
Temperature Range
TO-92
8-Pin Plastic SOIC
SOT-89
-55 to 125oC
-55 to 125oC
-55 to 125oC
TO-92 (LP)
CATHODE
ANODE
REFERENCE
1G-33
CATHODE 1
ANODE 2
ANODE 3
N/C 4
SOIC (D)
8 REFERENCE
7 ANODE
6 ANODE
5 N/C
1G-34
SOT-89 (S)
CATHODE
ANODE
REFERENCE
1G-35
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

1 page




CL1431D pdf
CORPORATION
CL1431
TYPICAL PERFORMANCE CURVES (continued)
NOISE VOLTAGE
70
60
50
40
30
20
VKA = VREF
10 I K = 10mA
0 TA = 25˚C
10 100 1k 10k
f – FREQUENCY (Hz)
100k
1G-47
LOW FREQUENCY DYNAMIC
OUTPUT IMPEDANCE
0.150
VKA = VREF
0.125
I KA = 1 TO 100mA
f 1kHz
0.100
0.075
0.050
0.025
0.0
–60 –30 0 30 60 90 120
TA – FREE AIR TEMPERATURE 1G-48
DYNAMIC OUTPUT
IMPEDANCE
100
TA = 25˚C
I K = 1 TO 100mA
10
1.0
0.1
0.01
1k
10k 100k 1M
f – FREQUENCY (Hz)
10M
1G-49
70
60
50
40
30
20
10
0
1k
SMALL SIGNAL GAIN
vs FREQUENCY
TEMPERATURE RANGE: –55 to 125˚C
I K = 10mA
10k 100k 1M
f – FREQUENCY (Hz)
10M
1J-26
15k
9µF
8.25k
IK
OUT
230
GND
1H-01
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025

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