AZ431-A BCDSEMI, AZ431-A Datasheet
AZ431-A
Manufacturer Part Number
AZ431-A
Description
ADJUSTABLE PRECISION SHUNT REGULATORS
Manufacturer
BCDSEMI
Datasheet
1.AZ431-A.pdf
(2 pages)
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Description
The AZ431-A series ICs are three-terminal adjustable
shunt regulators with guaranteed thermal stability over a
full operation range. These ICs feature sharp turn-on char-
acteristics, low temperature coefficient and low output
impedance, which make them ideal substitutes for Zener
diodes in applications such as switching power supply,
charger and other adjustable regulators.
The AZ431-A series ICs are of 40V voltage type. Its out-
put voltage can be set to any value between V
and 36V.
The AZ431-A precision reference is offered in two band-
gap tolerance: 0.4% and 0.8%.
Features
Applications
Pin Configuration
Nov. 2004
ADJUSTABLE PRECISION SHUNT REGULATORS
Charger
Voltage Adapter
Switching Power Supply
Graphic Card
Precision Voltage Reference
Programmable Precise Output Voltage from 2.5V to
36V
Very Accurate Reference Voltage: 0.15% Typical
High Stability under Capacitive Load
Low Temperature Deviation: 4.5mV Typical
Low Equivalent Full-range Temperature Coefficient
with 20PPM/
Low Dynamic Output Resistance: 0.2Ω Typical
Sink Current Capacity from 1mA to 100 mA
Low Output Noise
Wide Operating Range of -40 to 125
o
C Typical
REF
SOT-23-3
1
ANODE
3
CATHODE
o
C
2
REF
(2.5V)
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Parametric Table
Benefits
Additional Available Materials
Tol. (%)
(PPM/
(Min) (
(Max) (
I
I
V
V
V
Z
Temp Coeff. (Typ)
Operating Temperature
Operating Temperature
REF
KA
KA
KA
1
OUT
OUT
OUT
Easier to Stabilize
Ultra Low Temperature Coefficient
Higher V
Wider Operating Temperature Range
Very Competitive Price
Samples
Datasheet
Reliability Report
ESD Report
SOT-89
(Max) (mA)
(Min) (mA)
(Typ) (Ω)
o
ANODE CATHODE
/ V
(Max) (V)
(Min) (V)
o
C
o
C
C
)
2
BCD Semiconductor Manufacturing Limited
)
)
REF
REF
Initial
3
Accuracy
AZ431A-A
100
0.4
0.4
36
2.5
0.15
20
-40
+125
Product Brief
AZ431-A
AZ431B-A
100
0.4
0.8
36
2.5
0.15
20
-40
+125
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AZ431-A Summary of contents
Page 1
... Zener diodes in applications such as switching power supply, charger and other adjustable regulators. The AZ431-A series ICs are of 40V voltage type. Its out- put voltage can be set to any value between V and 36V. The AZ431-A precision reference is offered in two band- gap tolerance: 0 ...
Page 2
... B Zone, 900 Yi Shan Road, Shanghai 200233, China Tel : 86-21-6495 9539 Fax : 86-21-6485 9673 Shenzhen Room 27B, Tower C, No. 2070, Shennanzhong Road, Shenzhen 518031, China Tel : 86-755-8368 3987 Fax : 86-755-8368 3166 BCD Semiconductor Manufacturing Limited Product Brief AZ431-A SOT-23 ANODE NC 2 CATHODE 3 4 ...