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參數資料
| 型號： | CM431AACS |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR |
| 中文描述： | 低電壓可調并聯穩壓器 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 416K |
| 代理商： | CM431AACS |
CM431A
L
OW
V
OLTAGE
A
DJUSTABLE
S
HUNT
R
EGULATOR
2004/08/27 Champion Microelectronic Corporation
Page 1
GENERAL DESCRIPTION
FEATURES
Initial voltage reference accuracy of 1.0%.
Sink current capability from 1mA to 100mA
Typical output dynamic impedance less than 200m
;
Adjustable output voltage from V
REF
to 18V
Available in SOT-23, SOT-89, TO-92, & SOP-8
Low output noise
Typical equivalent full range temperature coefficient of
30ppm/
APPLICATIONS
O
C
The CM431A is a three-terminal adjustable shunt voltage
regulator with specified thermal stability and pin-to-pin compatible
with the earlier 431 series. The output voltage can be adjusted to
any value between V
REF
and 18V by using two external resistors.
The CM431A offers low output impedance for improved load
regulation with a typical output impedance of 200m
. Because
of the active output circuitry, the CM431A can replace the zener
diodes in applications such as switching power supplies, OVP
crowbar circuits, references for A/D, D/A converters with
improved turn-on characteristics.
Voltage Reference
Precision shunt regulator
High current shunt regulator
PWM down converter with reference
Voltage monitor
PIN CONFIGURATION
TO-92
Front View
1
2
3
R
A
C
SOT-23-3
Top View
3
1
2
SOT-23-5
Top View
5
1
3
N
A
C
2
4
R
N
SOT-89
Top View
1
2
3
R
A
C
SOP-8
Top View
1
2
3
4
8
7
6
5
CATHODE
NC
NC
NC
REF
NC
ANODE
NC
CM431AXCM233
CM431AXCM2R3
Pin 1
REF
CATHODE
Pin 2
CATHODE
REF
Pin 3
ANODE
ANODE
Suffix “X”: Grade “A”, “B”, “C”, “D”, or “E”
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