BD87A41FVM-TR Rohm Semiconductor, BD87A41FVM-TR Datasheet - Page 3

• Manufacturer Part Number: BD87A41FVM-TR
• Description: IC, VOLTAGE DETECTION, MSOP8
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Watchdog Circuitr

Specifications of BD87A41FVM-TR

• Threshold Voltage: 4.1V
• No. Of Supervisors / Monitors: 1
• Supply Voltage Range: 1V To 10V
• Reset Type: Active-Low
• Supply Current: 5µA
• Digital Ic Case Style: MSOP
• No. Of Pins: 8
• Operating Temperature: RoHS Compliant
• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 4.1V
• Mounting Type: Surface Mount
• Package / Case: 8-VSSOP, 8-MSOP (0.110", 2.80mm Width)
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Reference data (Unless otherwise specified, Ta = 25°C) : 4.1V Detection
10000
1000
-0.5
Fig. 4 CTW Charge Discharge Current
100
1.5
0.5
0.1
12
10
10
Fig. 10 CT Pin Circuit Resistance vs
-1
13
12
11
10
8
6
4
2
0
2
1
0
1
0.001
9
8
Fig. 7 WDT Time vs Capacitance
0
0
-40
AMBIENT TEMPERATURE: Ta [℃]
CTW PIN VOLTAGE: VCTW [V]
CTW PIN CAPACITY : CTW[µF]
SUPPLY VOLTAGE: VDD [V]
Fig. 1 Detection Voltage
Monitor time
CT PIN VOLTAGE: VCT [V]
2
1
Temperature
0.01
0
4
2
0.1
40
リセット時間
6
3
Reset time
1
8
4
80
10
10
5
Fig. 8 Detection Voltage vs Temperature
4.75
4.25
3.75
1.5
0.5
4.5
3.5
10
10
2
1
0
8
6
4
2
0
5
4
9
8
7
6
5
Fig. 11 RESET Transmission Delay
-40
-40
0
0
AMBIENT TEMPERATURE: Ta [ ℃ ]
AMBIENT TEMPERATURE: Ta [ ℃ ]
RESET VOLTAGE: VRESET [V]
Fig. 2 Total Supply Current
SUPPLY VOLTAGE: VDD [V]
Fig. 5 Output Current
2
2
Ta=105°C
Time vs Temperature
0
0
Ta=−40°C
3/8
4
4
Ta=25°C
Ta=−40°C
40
40
Ta=105°C
L → H
H → L
6
6
Ta=25°C
8
8
80
80
10
10
10000
1000
1400
1200
1000
0.75
0.25
100
800
600
400
200
0.5
10
15
12
Fig. 9 Operating Marginal Voltage vs
0.0001
1
1
0
9
6
3
0
0
-40
Fig. 6 RESET Transmission Delay
-40
Fig. 12 WDT Time vs Temperature
0
Fig. 3 Delay Pin Current vs
AMBIENT TEMPERATURE: Ta [ ℃ ]
AMBIENT TEMPERATURE: Ta [ ℃ ]
CT PIN CAPACITY : CT [µF]
CT PIN VOLTAGE: VCT [V]
Temperature
1
Time vs Capacitance
0
0
Power Supply Voltage
0.001
2
リセット時間
Reset time
40
40
Monitor time
監視時間
3
0.01
4
80
80
0.1
5