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TL431AIDBZR Datasheet(PDF) 6 Page - NXP Semiconductors

Part # TL431AIDBZR
Description  Adjustable precision shunt regulator
Download  23 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

TL431AIDBZR Datasheet(HTML) 6 Page - NXP Semiconductors

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TL431_FAM_2
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 02 — 20 January 2010
6 of 23
NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
11. Thermal characteristics
[1]
Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint.
[2]
Device mounted on an FR4 PCB, single-sided copper, tin-plated, mounting pad for collector 1 cm2.
[3]
Device mounted on a ceramic PCB, Al2O3, standard footprint.
[4]
Soldering point at pin 3.
12. Characteristics
Table 9.
Thermal characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Rth(j-a)
thermal resistance from
junction to ambient
in free air
[1] --
360
K/W
[2] --
216
K/W
[3] --
132
K/W
Rth(j-sp)
thermal resistance from
junction to solder point
[4] --
50
K/W
Table 10.
Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Standard-Grade (2 %): TL431CDBZR; TL431IDBZR; TL431QDBZR; TL431SDT; TL431MSDT
Vref
reference voltage
VKA =Vref; IK = 10 mA
2440
2495
2550
mV
ΔV
ref
reference voltage variation
VKA =Vref; IK =10mA
TL431CDBZR
Tamb =0 °Cto 70 °C-
6
16
mV
TL431IDBZR
Tamb = −40 °Cto85 °C
-
14
34
mV
TL431QDBZR
TL431SDT
TL431MSDT
Tamb = −40 °C to 125 °C
ΔV
ref/ΔVKA
reference voltage variation
to cathode-anode voltage
variation ratio
IK =10mA
ΔV
KA =10 V to Vref
-
−1.4
−2.7
mV/V
ΔV
KA =36 V to 10 V
-
−1
−2mV/V
Iref
reference current
IK =10mA;
R1 = 10 k
Ω; R2 = open
-2
4
μA
ΔI
ref
reference current variation
IK =10mA;
R1 = 10 k
Ω; R2 = open
TL431CDBZR
Tamb =0 °Cto 70 °C-
0.4
1.2
μA
TL431IDBZR
Tamb = −40 °Cto85 °C-
0.8
2.5
μA
TL431QDBZR
TL431SDT
TL431MSDT
Tamb = −40 °C to 125 °C
IK(min)
minimum cathode current
VKA =Vref
-0.4
1
mA
Ioff
off-state current
VKA =36 V; Vref =0
-
0.1
1
μA
ZKA
dynamic cathode-anode
impedance
IK =1mA to 100mA;
VKA =Vref; f < 1 kHz
-0.2
0.5
Ω


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