參數(shù)資料
型號(hào)： AN8031
廠商： PANASONIC CORP
元件分類： 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)： 18/21頁(yè)
文件大?。?/td> 205K
代理商： AN8031
18
AN8031
Voltage Regulators
I
Application Notes (continued)
[3] Difference between the AN8031 and the AN 8032
AN8031
→
EI terminal is used in common for both the output voltage monitor function and the overvoltage
detection function.
AN8032
→
Exclusive-use terminal for each function (V
CC
terminal is used in common for both PV
CC
and V
CC
).
EI terminal
: Exclusively used for the output voltage monitor function.
OVP terminal: Exclusively used for the overvoltage detection function.
1) Reasons for change
The excessively large overvoltage, generated when the short-circuit test between the pins of the active filter
output voltage monitoring resistor, can not be suppressed.
CS
EO
EI
V
OUT
P
C
V
C
V
B
MPI
C
AN8031
E
IN(
+
)
E
IN(
)
E
O(
)
Output voltage
monitor
Overvoltage
detection
Excessively large
overvoltage,
generated when the
short circuit testing,
can not be suppressed.
Separately require
5 to 10 external
components
SBD
E
O(
+
)
Output voltage
monitor
AN8032
Overvoltage
detection
CS
EO
OVP
EI
V
OUT
V
C
V
B
MPI
C
E
IN(
+
)
E
IN(
)
E
O(
)
The control operation
is stopped by the
separately provided
circuit for overvoltage
system
even if excessively
large overvoltage is
generated.
SBD
E
O(
+
)
Increase of 2 more
external components
2) Countermeasures
The output voltage system and the overvoltage detection system are separated from each other.
Note) The OVP terminal is arranged beside the EI terminal after taking the board pattern design into consideration.
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