TL431AILP Microsemi Analog Mixed Signal Group, TL431AILP Datasheet - Page 11

• Manufacturer Part Number: TL431AILP
• Description: IC REFERENCE PROG PREC TO92
• Manufacturer: Microsemi Analog Mixed Signal Group

Specifications of TL431AILP

• Reference Type: Shunt, Adjustable
• Voltage - Output: 2.5 ~ 36 V
• Tolerance: ±1%
• Temperature Coefficient: 30ppm/°C
• Number Of Channels: 1
• Current - Cathode: 400µA
• Current - Output: 100mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: TO-92-3 (Standard Body), TO-226
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Current - Quiescent: -
• Other names: TL431AILPR

Copyright © 1999
Rev. 1.4, 2006-09-26
Note: R should provide > 1mA cathode current to the TL431/A & TL1431 at
Note: R3 and R4 are selected to provide the desired LED intensity and > 1mA
cathode current to the TL431/A & TL431B at the available V+
minimum V
TM
LED on when Low Limit < V
12V
Figure 18 – High Current Shunt Regulator
V
R1A
R2A
BATT
BATT
V
BATT
Figure 16 – Shunt Regulator
Low
High
Figure 20 – Voltage Monitor
TL431/A
& TL431B
V
V
Limit
Limit
O
R (see Note)
O
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
V
=
RE F
=
R1
R2
⎛
⎜
⎝
⎛
⎜
⎝
R1 0.1%
R2 0.1%
1
=
=
1
+
⎛
⎜
⎝
+
⎛
⎜
⎝
1
1
R1
R2
R2
R1
+
+
R1B
R2B
⎞
⎟
⎠
R1B
R2B
⎞
⎟
⎠
TL431/A
& TL431B
•
•
R2B
BATT
V
V
I
K
(Note)
⎞
⎟
⎠
TL431/A
& TL431 B
REF
⎞
⎟
⎠
R3 (see Note)
REF
•
•
A P P L I C A T I O N I N F O R M A T I O N
R4
< High Limit
V
V
V
REF
REF
O
Integrated Products Division
V
O
®
Microsemi
Figure 17 – Single-Supply Comparator with Temperature-
Note: Refer to the stability boundary conditions in Figure 15 to determine
Precision programmable References
allowable values for C.
V
BATT
Figure 21 – Precision Contact – Current Sink
Compensated Threshold
Input
P
TL431/A
& TL431B
RODUCTION
Figure 19 – Crowbar Circuit
R1
R2
TL431 / TL431A / TL431B
TL431/A
& TL431B
TL431/A
& TL431B
V
BATT
D
ATA
V
BATT
S
HEET
V
V
(see Note)
V
ON
OFF
GND
C
O
R
0.1%
I
S
O
2V
V
BAT T
V
O
Page 11