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ICL7665AEPA Datasheet

  • ICL7665AEPA

  • Microprocessor Voltage Monitor with

  • 116.28KB

  • 12頁

  • MAXIM   MAXIM

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19-0001; Rev 2; 8/97
Microprocessor Voltage Monitor with
Dual Over/Undervoltage Detection
_______________General Description
The ICL7665 warns microprocessors (碌Ps) of overvolt-
age and undervoltage conditions. It draws a typical
operating current of only 3碌A(chǔ). The trip points and hys-
teresis of the two voltage detectors are individually pro-
grammed via external resistors to any voltage greater
than 1.3V. The ICL7665 will operate from any supply
voltage in the 1.6V to 16V range, while monitoring volt-
ages from 1.3V to several hundred volts. The Maxim
ICL7665A is an improved version with a 2%-accurate
V
SET1
threshold and guaranteed performance over
temperature.
The 3碌A(chǔ) quiescent current of the ICL7665 makes it
ideal for voltage monitoring in battery-powered sys-
tems. In both battery- and line-powered systems, the
unique combination of a reference, two comparators,
and hysteresis outputs reduces the size and compo-
nent count of many circuits.
____________________________Features
o
碌P Over/Undervoltage Warning
o
Improved Second Source
o
Dual Comparator with Precision Internal Reference
o
3碌A(chǔ) Operating Current
o
2% Threshold Accuracy (ICL7665A)
o
1.6V to 16V Supply Voltage Range
o
On-Board Hysteresis Outputs
o
Externally Programmable Trip Points
o
Monolithic, Low-Power CMOS Design
ICL7665
______________Ordering Information
PART
ICL7665CPA
TEMP. RANGE
0擄C to +70擄C
PIN-PACKAGE
8 Plastic DIP
________________________Applications
碌P Voltage Monitoring
Low-Battery Detection
Power-Fail and Brownout Detection
Battery Backup Switching
Power-Supply Fault Monitoring
Over/Undervoltage Protection
High/Low Temperature, Pressure, Voltage Alarms
ICL7665ACPA
0擄C to +70擄C
8 Plastic DIP
ICL7665BCPA
0擄C to +70擄C
8 Plastic DIP
ICL7665CSA
0擄C to +70擄C
8 SO
ICL7665ACSA
0擄C to +70擄C
8 SO
ICL7665BCSA
0擄C to +70擄C
8 SO
ICL7665CJA
0擄C to +70擄C
8 CERDIP
ICL7665ACJA
0擄C to +70擄C
8 CERDIP
ICL7665BCJA
0擄C to +70擄C
8 CERDIP
Ordering Information continued on last page.
_________________Pin Configurations
TOP VIEW
OUT1
1
2
8
7
V+
OUT2
SET2
HYST2
__________Typical Operating Circuit
V
IN1
OVERVOLTAGE
DETECTION
V+
8
V+
OUT2
V
IN2
UNDERVOLTAGE
DETECTION
NMI
HYST1
SET1
3
GND
4
ICL7665
6
5
1 OUT1
7
DIP/SO
8
V+ (CASE)
7
ICL7665
3
SET1
GND
4
SET2
6
OUT1
1
OUT2
HYST1
2
3
ICL7665
5
4
6
SET2
HYST2
SET1
GND
SIMPLE THRESHOLD DETECTOR
TO-99
1
________________________________________________________________
Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.

ICL7665AEPA 產(chǎn)品屬性

  • Maxim Integrated Products

  • 2

  • 1.3 V

  • Open Drain

  • 1.225 V, 1.275 V

  • 1.325 V, 1.375 V

  • 2 %

  • 2 V to 16 V

  • 15 uA

  • + 70 C

  • PDIP-8

  • Through Hole

  • No

  • 0 C

  • Tube

  • 50

  • No

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