ICL7665AESA Maxim Integrated Products, ICL7665AESA Datasheet - Page 11

• Manufacturer Part Number: ICL7665AESA
• Description: Supervisory Circuits Integrated Circuits (ICs)
• Manufacturer: Maxim Integrated Products

Specifications of ICL7665AESA

• Number Of Voltages Monitored: 2
• Undervoltage Threshold: 1.275 V, 1.225 V
• Overvoltage Threshold: 1.325 V, 1.375 V
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Supply Voltage (max): 16 V
• Supply Voltage (min): 2 V
• Supply Current (typ): 15 uA
• Maximum Power Dissipation: 471 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: No

Figure 11. Battery Switchover Circuit
Figure 12. Simple High/Low Temperature Alarm
TEMPERATURE
PURPOSE NPN
TRANSISTOR)
LINE-POWERED
(GENERAL
SENSOR
+5V INPUT
______________________________________________________________________________________
R3
470k
Microprocessor Voltage Monitor with
R1, 1M
HIGH-
TEMPERATURE
LIMIT
ADJUSTMENT
100k
220
2.4M
Dual Over/Undervoltage Detection
2N7000
Q1
5.6M
1k
1M
27k
R5
22M
R4
HYST1
SET1
OUT1
GND
ICL7665
HYST2
SET2
OUT2
1M
ICL7665
OUT2
HYST2
SET2
V+
V+
HYST1
OUT1
SET1
1.5M
22M
22M
1M
1%
R6
R7
1 F
1.15M
1%
9V
1M
R2
LOW-TEMPERATURE
LIMIT ADJUST
2N4393
3V
LITHIUM
CELL
DRIVING LEDS,
SIGNAL FOR
BELLS, ETC.
ALARM
V CC TO
CMOS
MEMORY
11