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CM431AGECM89 参数 Datasheet PDF下载

CM431AGECM89图片预览
型号: CM431AGECM89
PDF下载: 下载PDF文件 查看货源
内容描述: 低电压可调并联稳压器 [LOW VOLTAGE ADJUSTABLE SHUNT REGULATOR]
分类和应用: 稳压器
文件页数/大小: 14 页 / 323 K
品牌: CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
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CM431A
L
OW
V
OLTAGE
A
DJUSTABLE
S
HUNT
R
EGULATOR
APPLICATION INFORMATION (continued)
V
O
= 5V/1.5A
V
BATT
V
BATT
8.2K
Ω
LM317
Adjust
I
O
=
V
REF
/R
S
243Ω
0.1%
CM431A
243Ω
0.1%
CM431A
R
S
0.1%
Figure 8.Precision
5V, 1.5A Regulator
Figure 9.
Precision Constant Current Sink
V
BATT
IN
78L05
OUT
V
O
V
BATT
R
CL
0.1%
I
O
Common
CM431A
R1
R1
R2
CM431A
I
OUT
= (V
REF
/R
CL
) + I
KA
V
O
= (1 + R1/R2)
×
V
REF
Min
V
O
= V
REF
+ 5V
Figure 10.
Output Control of a Three-Terminal
Fixed Regulator
Figure 11.
Precision Current Limiter
R1 = V
BATT
/((I
O
/h
FE
) + I
KA
)
2006/10/11 Rev1.2
Champion Microelectronic Corporation
Page 9