AT431-GRE AIMTRON [Aimtron Technology], AT431-GRE Datasheet - Page 3

• Manufacturer Part Number: AT431-GRE
• Description: 1.24V low-Voltage Adjustable Precision Shunt Regulator
• Manufacturer: AIMTRON [Aimtron Technology]

Absolute maximum ratings (T A = 25
Recommend operating condtion
Electrical characteristics (
Reference Voltage
V ref deviation over full
temperature range
Ratio of V ref change in
cathode voltage change
Reference terminal
current
I ref deviation over full
temperature range
Minimum cathode current
for regulation
Off-state cathode current I K(off)
Dynamic impedance
* The dynamic impedance is defined as : |Z KA | = ∆ V KA /∆ I KA
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
2/8/2006 REV:1.1
Stresses beyond those listed under “ absolute maximum ratings” may cause permanent damage to the
device. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
Cathode voltage
Continuous cathode current range
Reference Current
Operating temperature
Storage temperature
Package thermal impedance θ JA
Power Dissipation
Cathode voltage V KA
Continuous cathode current range I K
Operating free-air temperature range T
Parameter
Parameter
Parameter
V ref (
V ref (
range 0~70
V ref(dev)
∆ V ref /∆ V KA
I ref
I ref(dev)
I K(min)
| Z KA |
Fax: [phone]
Symbol
unless otherwise noted
TA = full
TA = 25
o
C)
o
C
)
A
1.228
1.221
Min.
o
1.24V Low-Voltage Adjustable Precision
SOT-23-5
SOT-23-3
C)
-
-
-
-
-
-
-
Symbol
TO-92
V KA
I REF
T
T
PD
3
I K
OPR
STG
)
0.001
Vref
0.05
Typ.
1.24
0.15
0.05
0.20
min
-1.5
40
0
4
-
Preliminary Product Information
1.252
1.259
Max.
-2.7
0.5
0.3
0.1
0.4
20
50
WWW:
-55~+150
-30~+85
-0.05~3
-20~20
Limits
(T J (max)-T A )/ θ JA
Email:
347
156
12
Max
mV/V V KA = V ref to 12V
12
15
70
Unit
mV
µA
µA
µA
µA
V
V
Ω
http://www.aimtron.com.tw
[e-mail]
V KA = V ref
I K =10mA
V KA = V ref
I K =10mA
I K =10mA
I K =10mA
R1=10KΩ
I K =10mA R1=10KΩ
R2=open
V KA = V ref
V KA =12V
V ref =0V
V KA = V ref f≤1KHz
I K =0.1mA to 15mA
(Figure 1)
Shunt Regulator
o
C / W
unit
mA
mA
unit
mA
Conditions
o
o
o
V
V
C
C
C
AT431
(Figure 1)
(Figure 1)
(Figure 2)
(Figure 2)
(Figure 2)
(Figure 1)
(Figure 3)