參數(shù)資料
型號(hào)： HA1835P
廠商： Hitachi,Ltd.
英文描述： COIL 12UH 1200MA CHOKE SMD
中文描述： 看門(mén)狗定時(shí)器
文件頁(yè)數(shù)： 2/13頁(yè)
文件大小： 59K
代理商： HA1835P
HA1835P/HA1848P
2
Pin Arrangement
1
2
3
4
5
6
7
RES
RES
CS
V
CC
V
CONT
Comp *
Vadj
14
13
12
11
10
9
8
R
R
C
R
P-RUN
Rf
Cf
Vout
GND
(Top View)
Note: HA1848P: 9 pin is non connection.
Pin Functions
Pin No.
Symbol
Functions
1
R
R
Reset pulse width depends on resistance connected to R
R
Recommended range: 100 k
to 1 M
2
C
R
P-RUN
Reset pulse width depends on capacitance connected to C
R
Clock pulse input terminal for watchdog timer
3
4
Rf
Frequency band width of filter circuit depends on resistance connected to Rf
Recommended range: 100 k
to 500 k
5
Cf
Frequency band width of filter circuit depends on capacitance connected to Cf
6
Vout
Connect to external PNP transistor's collector: This pin supplies 5 V regulated
voltage for internal circuit
7
GND
Ground
8
Vadj
Output voltage fine tuning terminal
9
Comp
Phase compensation terminal: Connect less than 100 pF capacitor between V
CC
and Comp. HA1848P is non connection
10
V
CONT
V
CC
CS
External PNP transistor's base control terminal
11
Supply voltage terminal: Operating supply voltage range is 6 V to 30 V
12
Connect current sense resistor, which protects the external PNP transistor,
between V
CC
and CS
Reset pulse output terminal for low level reset type microcomputer
13
RES
*
14
Note:
RES *
Reset pulse output terminal for high level reset type microcomputer
RES
and RES are open-collector output terminals, so connect a pull-up resistor of about 5 k
.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA1835P/HA1848P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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