MAX817LCSA+ Maxim Integrated Products, MAX817LCSA+ Datasheet - Page 8

• Manufacturer Part Number: MAX817LCSA+
• Description: IC SUPERVISOR MPU 5V 8-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Battery Backup Circuitr

Specifications of MAX817LCSA+

• Number Of Voltages Monitored: 1
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.65V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Monitored Voltage: 4.65 V
• Output Type: Active Low, Open Drain
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Battery Backup Switching: Backup
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 0 V
• Supply Current (typ): 11 uA
• Maximum Power Dissipation: 471 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Power Fail Detection: Yes
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.75 V
• Power-up Reset Delay (typ): 280 ms
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

+5V Microprocessor Supervisory Circuits
Figure 1. Functional Diagram
8
_______________________________________________________________________________________
THIS SECTION
FOR MAX818
ONLY.
THIS SECTION
FOR MAX817/
MAX818 ONLY.
THIS SECTION
FOR MAX817/
MAX819 ONLY.
THIS PIN
FOR MAX819
ONLY.
CE IN
BATT
WDI
PFI
V
MR
CC
1.25V
BATTERY SWITCHOVER
WATCHDOG
CIRCUITRY
1.25V
TIMER
CHIP-ENABLE
CONTROL
OUTPUT
GND
GENERATOR
RESET
MAX817
MAX818
MAX819
SEAL CIRCUITRY
FRESHNESS
BATTERY
PFO
CE OUT
OUT
RESET