參數(shù)資料
型號(hào)： AN8031
廠商： PANASONIC CORP
元件分類(lèi)： 模擬信號(hào)調(diào)理
英文描述： Active filter control IC
中文描述： SPECIALTY ANALOG CIRCUIT, PSIP9
封裝： PLASTIC, SIP-9
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 205K
代理商： AN8031
Voltage Regulators
AN8031
Active filter control IC
1
I
Overview
In supplying electric power from commercial power
supply to various electrical equipment, there is a possi-
bility that the harmonic distortion generated in the power
line may give obstruction to the power facilities or other
electrical equipment. The use of active filter is one of the
methods to solve the harmonic distortion problems.
The AN8031 is a monolithic IC which incorporates
the control and protection functions into one package so
that the active filter can be constructed easily. It is most
suitable for the measures against the harmonic distortion
problems such as lighting equipment.
I
Features
Self-excited peak current mode is adapted.
Built-in protection circuit for preventing the overvolt-
age generated under a small load
Easy constant setting with enlarged dynamic range of multiplier and error amplifier.
Using totem pole output circuit which allows the power MOSFET to be directly driven.
Built-in low voltage protection circuit which ensures the on-resistance during the power MOSFET operation.
Timer circuit is built in for realizing automatic start.
I
Applications
Lighting equipment and switching power supply equipment
I
Block Diagram
SIP009-P-0000C
9
8
7
6
5
4
3
2
1
0.3
+0.1
2
6.0±0.3
2.4±0.25
3.3±0.25
1
0
2
1
1
3.0±0.3
3
°
Unit: mm
SV
CC
Under voltage
clamper
1
V
B
V
REF
10 V/8 V
2.5 V
2.5 V
2.6 V
Current
comp.
Error amp.
OVP comp.
U.V.L.O. comp.
6
CS
2
EI
5
MPI
3
E
4
G
7
Over voltage
clamper
One
shot
Timer
Drive
Multiplier
2.5 V
PV
CC
9
V
OUT
8
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