CAT1027WI-45-G ON Semiconductor, CAT1027WI-45-G Datasheet - Page 8

• Manufacturer Part Number: CAT1027WI-45-G
• Description: Supervisory Circuits CPU w/2K
• Manufacturer: ON Semiconductor

Specifications of CAT1027WI-45-G

• Product Category: Supervisory Circuits
• Rohs: yes
• Number Of Voltages Monitored: 1
• Monitored Voltage: 3 V, 3.3 V, 5 V
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.75 V
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8 Wide
• Maximum Power Dissipation: 1000 mW
• Minimum Operating Temperature: - 40 C
• Supply Current (typ): 3000 uA
• Supply Voltage - Min: 2.7 V

CAT1026, CAT1027
Figure 1. RESET Output Timing
RESE T
RESE T
Figure 2: Auxiliary Voltage Monitor Timing
Figure 3: Auxiliary Voltage Monitor
Doc. No. MD-3010 Rev. P
V
CC
V
RVALID
V
TH
V SENSE
V LOW
V REF
Externally adjustable
V TH-ADJ
threshold
t
PURST
t RPD2
R 1
R 2
V TH-ADJ = V REF ×
V AUX
V SENSE
CAT1026/27
t RPD2
t
GLITCH
R 1 + R 2
8
t
RPD
R 2
V LOW
= 1.25V ×
V CC
R 1 + R 2
R 2
t RPD2
t
PURST
Power Fail
Interrupt
Characteristics subject to change without notice
t RPD2
© 2009 SCILLC. All rights reserved.
t
RPD