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TL431CM3 数据表(PDF) 2 Page - Cystech Electonics Corp.

部件名 TL431CM3
功能描述  Adjustable Precision Shunt Regulators
Download  5 Pages
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制造商  CYSTEKEC [Cystech Electonics Corp.]
网页  http://www.cystekec.com
标志 CYSTEKEC - Cystech Electonics Corp.

TL431CM3 数据表(HTML) 2 Page - Cystech Electonics Corp.

  TL431CM3 Datasheet HTML 1Page - Cystech Electonics Corp. TL431CM3 Datasheet HTML 2Page - Cystech Electonics Corp. TL431CM3 Datasheet HTML 3Page - Cystech Electonics Corp. TL431CM3 Datasheet HTML 4Page - Cystech Electonics Corp. TL431CM3 Datasheet HTML 5Page - Cystech Electonics Corp.  
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CYStech Electronics Corp.
Spec. No. : C502M3
Issued Date : 2003.04.02
Revised Date : 2005.04.20
Page No. : 2/5
TL431M3
CYStek Product Specification
Functional Block Diagram
& Symbol
Test Circuits
Electrical Characteristics ( Ta=25°C unless otherwise specified )
Characteristics
Symbol
Test Conditions
Min
Typ
Max Unit
TL431A
2.445 2.495 2.545
TL431B
2.470 2.495 2.520
Reference Input Voltage
TL431C
VREF
VKA=VREF, IK=10mA
2.480 2.495 2.510
V
Deviation of Reference Input Voltage
Over-Temperature
VREF(dev)
VKA=VREF, IK=10mA
Tmin
≤Ta≤Tmax
-
4
17
mV
IK=10mA,
∆VKA=10V-VREF
-
-1.4
-2.7
mV
Ratio of Change in Reference Input
Voltage to the Change in Cathode
Voltage
∆VREF /
∆VKA IK=10mA,
∆KKA=36V-10V
-
-1.0
-2.0
V
Reference Input Current
IREF
IK=10mA, R1=10k
Ω,
R2=
-
2
4
µA
Deviation of Reference Input Current
Over Full Temperature Range
IREF(dev)
IK=10mA, R1=10k
Ω,
R2=
∞, Ta=Full Range
-
0.4
1.2
µA
Minimum Cathode Current for
Regulation
IK(min)
VKA=VREF
-
0.4
1.0
mA
Off-State Cathode Current
IK(off)
VKA=36V, VREF=0
-
0.1
1.0
µA
Dynamic impedance
ZKA
VKA=VREF, f
≤1.0KHz
IK=1 to 100mA
-
0.2
0.5
Functional Block Diagram :
Symbol :
Cathode
Reference
Anode
Cathode
VREF
+
-
Reference
Anode
IN
VZ
II
IREF
VREF
IZ
R1
Fig1. Test Circuit for VZ=VREF
II
VZ
IN
IREF
IZ
R2
VREF
Fig 2. Test Circuit for VZ>VREF
Note : VZ=VREF(1+R1/R2)+IREFxR1
IN
VZ
Fig3. Test Circuit for Off-State
Current


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