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BD3005HFP 数据表(PDF) 4 Page - Rohm

部件名 BD3005HFP
功能描述  Regulators with Voltage Detector and Watchdog Timer
Download  9 Pages
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BD3005HFP 数据表(HTML) 4 Page - Rohm

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Block diagram
Cin: 0.33
µF to 1000 µF
Co: 0.1
µF to 1000 µF
CT: 0.001
µF to 22 µF
Fig.13
Pin descriptions
Pin. No
Pin name
Function
1
CLK
Clock input from microcontroller
Vs(BD3004HFP)
Reset
detection voltage adjustment function pin
2
INH(BD3005HFP)
WDT on/off function pin (WDT off when INH = high; WDT on when INH = low)
3
Vcc
Power supply pin
4
GND
GND pin
5
OUT
Voltage output pin
6
RESET
Reset output pin
7
CT
Reset output delay time, WDT monitor time setting external capacitance connection pin
FIN
GND
GND pin
I/O Circuit diagram
CLK (1 pin)
Vs(2 pin)
INH (2 pin)
OUT (5 pin)
RESET (6 pin)
CT (7 pin)
Fig.14
* All resistance values are typical ones.
PREREG
Vcc
100KΩ
HRP7
1 2 3 4 5 6 7
FIN
OUT
OUT
470KΩ
RESET
Vcc
Rb
Ra
OUT
Vcc
PREREG
100KΩ
CLK
OUT
CT
OUT
Vcc
100KΩ
PREREG
3.56MΩ
1.56MΩ
Vs
Vs
WDT
Pre Reg
TSD
Vref
OUT
OUT
Vcc
CLK
GND
OUT
RESET
CT
OCP
Reverse Polarity Protection
OUT
FIN
Co
Cin
CT
INH
BD3004HFP)
BD3005HFP)
microcontroller
Signal from
INH
3
2
2
1
4
7
6
5


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