TL431XQDBZR View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'TL431XQDBZR' PDF : 28 Pages View PDF
NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
100
IK
(mA)
80
60
40
(1)
Stable
(2)
Oscillation
006aab591
(1)
(2)
Stable
20
0
10−1
1
10
102
103
104
CL (nF)
Tamb = 25 C
(1) VKA = Vref
(2) VKA = 5 V
VKA = 10 V: no oscillation
VKA = 15 V: no oscillation
Fig 29. TL431XSDT: Cathode current as a function of load capacitance; typical values
150 Ω
IK
CL
VBATT
R1 = 10 kΩ
IK
CL
R2
150 Ω
VBATT
VKA = Vref
Tamb = 25 C
GND
006aab589
Fig 30. Test circuit (1) to Figure 29
GND
006aab590
VKA = 5 V
VKA > 10 V: stable operation
Tamb = 25 C
Fig 31. Test circuit (2) to Figure 29
TL431 family
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 01 September 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
19 of 27
Share Link: 
