MB3773PF-ERE1 Fujitsu Semiconductor America Inc, MB3773PF-ERE1 Datasheet - Page 17

• Manufacturer Part Number: MB3773PF-ERE1
• Description: IC VOLT SUPERVISOR 8-SOP
• Manufacturer: Fujitsu Semiconductor America Inc
• Type: Power Supply Monitorr

Specifications of MB3773PF-ERE1

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active High/Active Low
• Reset Timeout: 50 ms Minimum
• Voltage - Threshold: 4.2V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4753591AZ

V
CC
Notes : • Comp. 1 and Comp. 2 are used to monitor for overvoltage while the MB3773 is used to monitor
(5 V)
C
• Use V
EXAMPLE 6: Monitoring Low voltage and Overvoltage Monitoring (with hysteresis)
T
for low voltage. Detection voltages V
Detection voltages V
For the formulas for finding hysteresis width and detection voltage, see EXAMPLE 4.
above.
CC
( = 5 V) to power the comparators (Comp. 1 and Comp. 2) in the external circuit shown
1
2
3
4
MB3773
2L
/V
1.2 kΩ
5.6 kΩ
R
2H
8
7
6
5
6
R
at the time of overvoltage are approximately 6.0 V/6.1 V.
1
4.7 kΩ
R
1L
5
/V
1H
at the time of low voltage are approximately 4.2 V/4.3 V.
30 kΩ
R
180 kΩ
3
+
_
R
Comp. 1
4
RESET
Diode
0
Comp. 2
+
_
Example : Comp. 1, Comp. 2
20 kΩ
R
6
V
1L
V
1H
: MB4204, MB47393
RESET
RESET
CK
V
2L
GND
MB3773
V
2H
Logic circuit
V
CC
17