CAT809TSDI-GT3 ON Semiconductor, CAT809TSDI-GT3 Datasheet - Page 6

• Manufacturer Part Number: CAT809TSDI-GT3
• Description: IC SUPERVISOR PP ACT LOW SC-70
• Manufacturer: ON Semiconductor
• Type: Simple Reset/Power-On Resetr

Specifications of CAT809TSDI-GT3

• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 3.08V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-70-3, SOT-323-3
• Monitored Voltage: 2.5 V, 3 V, 3.3 V, 5 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.2 V
• Supply Current (typ): 15 uA
• Maximum Power Dissipation: 175 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Undervoltage Threshold: 3.04 V
• Overvoltage Threshold: 3.11 V
• Power-up Reset Delay (typ): 240 ms (Typ)
• Number Of Elements: 1
• Monitored Voltage 1 (typ): 2.5/3/3.3/5V
• Watchdog Timer: No
• Chip Enable Signals: No
• Reset Active Time: 240ms(Typ)ms
• Package Type: SC-70
• Operating Supply Voltage (min): 1.2V
• Operating Supply Voltage (max): 5.5V
• Reset Threshold Voltage (max): 3.11V
• Reset Threshold Voltage (min): 3.04V
• Power Dissipation: 175mW
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 3
• Supply Current: 0.015mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Detailed Descriptions
Reset Timing
The reset signal is asserted LOW for the CAT803/CAT809 and HIGH for the CAT810 when the power supply voltage falls below
the threshold trip voltage and remains asserted for at least 140 ms after the power supply voltage has risen above the threshold.
V
brownout failure. Short duration transients of 4 msec or less
and 100 mV amplitude typically do not cause a false RESET.
going V
threshold (increasing V
duration decreases. In this test, the V
voltage of 0.5 V above the threshold and drops below it by
the amplitude of the overdrive voltage (V
CC
The CAT803/CAT809/CAT810 protect mPs against
Figure 7 shows the maximum pulse duration of negative−
As the amplitude of the transient goes further below the
Transient Response
CC
transients that do not cause a reset condition.
V
RESET/OUT
CC
RESET
V
5 V
0 V
5 V
0 V
5 V
0 V
TH
TH
− V
CC
), the maximum pulse
CC
starts from an initial
TH
T
D
Figure 6. Reset Timing Diagram
− V
CC
).
http://onsemi.com
6
30
25
20
15
10
5
0
Figure 7. Maximum Transient Duration without
Causing a Reset Pulse vs. Reset Comparator
1
minimum)
(140 ms
T
R
RESET OVERDRIVE V
Reset Timeout Period
CAT803, CAT809
CAT810
10
CAT809M
Overdrive
CAT809Z
TH
− V
100
CC
T
AMB
(mV)
= 25°C
1000