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| TL431IDBZR215 Datasheet, PDF (17/27 Pages) NXP Semiconductors – Adjustable precision shunt regulator | |||
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NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
100
IK
(mA)
80
60
40
(1)
Stable
Oscillation
(1)
Stable
006aac481
20
0
10â1
1
10
102
103
104
CL (nF)
Tamb = 25 ï°C
(1) VKA = Vref
VKA = 5 V: no oscillation
VKA = 10 V: no oscillation
VKA = 15 V: no oscillation
Fig 26. TL431XFDT: Cathode current as a function of load capacitance; typical values
150 Ω
IK
CL
VBATT
R1 = 10 kΩ
IK
CL
R2
150 Ω
VBATT
GND
006aab589
VKA = Vref
Tamb = 25 ï°C
Fig 27. Test circuit (1) to Figure 26
GND
006aab590
VKA > 5 V: stable operation
Tamb = 25 ï°C
Fig 28. Test circuit (2) to Figure 26
TL431_FAM
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 â 30 June 2011
© NXP B.V. 2011. All rights reserved.
17 of 27
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