ICL7665S_06 Datasheet, PDF (12/14 Pages) Intersil Corporation – CMOS Micropower Over/Under Voltage Detector

ICL7665S
+
-
5V
TEMPERATURE
SENSOR
(GENERAL PURPOSE
NPN TRANSISTOR)
470kΩ
R₃
R₁ ^10kΩ
HIGH
TEMPERATURE
LIMIT ADJUST
HYST1
V+
HYST2
LOW TEMPERATURE
LIMIT ADJUST
22kΩ R₄
27kΩ
ICL7665S
R₆ ^22MΩ
R₂
V_SET1
V_SET2
R₅
1MΩ
OUT1
OUT2
R₇
1.5MΩ
V+
1MΩ
ALARM SIGNAL
FOR DRIVING
LEDS, BELLS,
ETC.
FIGURE 16. SIMPLE HIGH/LOW TEMPERATURE ALARM
110VAC
60Hz
20V
CENTERED
TAPPED
TRANS.
4700µF
7805
5V REGULATOR
601kΩ
100kΩ
1MΩ
+5V
HYST1
HYST2
ICL7665S
V_SET1
V_SET2
OUT1
OUT2
1MΩ
C₁
R₁
1MΩ
5V, 1A
POWER FAIL
WARNING
FIGURE 17. AC POWER FAIL AND BROWNOUT DETECTOR
12
FN3182.8
April 5, 2006