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PDF BD45245G Datasheet ( Hoja de datos )

Número de pieza BD45245G
Descripción VOLTAGE DETECTOR IC
Fabricantes Rohm 
Logotipo Rohm Logotipo

Total 4 Páginas
		
BD45245G Hoja de datos, Descripción, Manual
Voltage detectors
VOLTAGE DETECTOR IC
with counter timer
BD45XXXG
BD46XXXG
BD45XXXG
BD46XXXG
BD45XXXG and BD46XXXG are series of high-accuracy detection voltage and low current consumption
VOLTAGE DETECTOR ICs adopting CMOS process. New lineup of 156 types with delay time circuit
have developed. Delay time is fixed in the IC due to the built-in counter timer to require no external
capacitor. Total 156 types of VOLTAGE DETECTOR ICs including BD45XXXG series (Nch open drain
output) and BD46XXXG series (CMOS output), each of which has 26 kinds in every 0.1V step (2.3~4.8V)
and three kinds of delay time (50msec, 100msec, 200msec) have developed.
Applications
Every kind of appliances with microcontroller and logic circuit
Features
1) Built-in delay time circuit
(Fixed delay time by the built-in ±10% of high-accuracy counter timer)
2) No external capacitor for setting delay time required
3) 3 kinds of delay time: 50msec(Typ.)(BD45XX5G,BD46XX5G)
100msec(Typ.)(BD45XX1G,BD46XX1G)
200msec(Typ.)(BD45XX2G,BD46XX2G)
4) Detection voltage: 2.3V ~ 4.8V 0.1V step
5) High-accuracy detection voltage: ±1.0%
6) Ultra low current consumption:0.85µA typ.
7) Output circuit: Nch open drain(BD45XXXG)
CMOS(BD46XXXG)
8) Package: SSOP5(SMP5C2)
9) Operating temperature range: -40°C ~ +105°C
BD45XXXG
BD46XXXG
5
4
123
2.9±0.2
(5) (4)
1pin : External RESET
control
2pin : Connect to
Sub, GND
3pin : GND
4pin : VOUT
5pin : VDD
(UNIT:mm)
(1) (2) (3)
0.13
+0.05
–0.03
0.95
0.42
+0.05
0.04
0.1
SSOP5(SMP5C2)
Application Circuit
BD45XXXG
VDD
VDD
BD46XXXG
VDD
VDD
VDD
Vref
Oscillation circuit
counter timer
GND ER
Vout Reset
Vref
Oscillation circuit
counter timer
GND ER
Vout Reset
Pin No.
SSOP5
1 2345
ER
Sub
GND VOUT
VDD
1/4

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