參數(shù)資料
型號： MM1081XV
廠商： MITSUMI ELECTRIC CO LTD
元件分類： 電源管理
英文描述： System Reset (with battery back-up) Monolithic IC
中文描述： POWER SUPPLY SUPPORT CKT, PDSO29
封裝： TSOP-20
文件頁數(shù)： 9/11頁
文件大小： 120K
代理商： MM1081XV
1.
Connecting a resistor between ADJ pin and Vcc pin
(effective only when lowering detection voltage)
Calculated min. and max. values take
into account resistance, etc. variance
inside the IC.
Refer to Figure 1
MITSUMI
System Reset (with battery back-up) MM1027, 1081
ON delay time-Temperature
PPM
800
750
700
-
770
PPM/
°
C
-
706
PPM/
°
C
-
25
0
Ambient temperature (
°
C)
25
50
75
100
125
Tc pin
(C
T
=1000PF
±
60PPM/
°
C)
D
CS detection voltage adjustment (ADJ pin)
4.0
3.0
2.0
10
100
max.
typ.
min.
D
Resistor R1 (k
)
CS detection voltage
How to Adjust Detection Voltage Vs1
2. Using resistors to divide Vcc potential and connect
to ADJ pin
Detection voltage can be determined close to
external resistance value by setting external R2
and R3 values small.
Refer to Figure 2
(However, current increases when R
2
and R
3
are
made smaller, so set at around R
2
+R
3
=6k
.)
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