VOLTAGE DETECTOR
KA75XXX
VOLTAGE DETECTOR
VOLTAGE DETECTOR
The KA75250/270/290/310/33/36/39/42/45 prevents error of system from supply ...
Description
KA75XXX
VOLTAGE DETECTOR
VOLTAGE DETECTOR
The KA75250/270/290/310/33/36/39/42/45 prevents error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems.
TO-92
FEATURES
Detecting against error operations at the power ON/OFF. Resetting function for the low voltage microprocessor. Checking low battery 1.Input 2.GND 3.Output
BLOCK DIAGRAM
ORDERING INFORMATION
VCC
æ
1
Device KA75250
PKG
Operating Temp.
3
OUT
è
KA75270 KA75290 KA75310 KA7533 KA7536 KA7539 TO-92 -30~ + 75
Î
VREF
+ -
KA7542 KA7545
GND
ç
2
Rev. B
©1999 Fairchild Semiconductor Corporation
KA75XXX
ABSOLUTE MAXIMUM RATING (T A = 25Î)
Characteristic Supply Voltage Detecting Voltage Hysteresis Voltage Operating Temperature Storage Temperature Power Dissipation Detecting Voltage Temperature Coefficient Symbol VCC VDET VHYS T OPR T STG
VOLTAGE DETECTOR
Value 0.3 ~ +15.0 2. 5/2.7/2.9/3.1 3. 3/3.6/3.9/4.2/4.5 50 - 30 ~ + 75 - 50 ~ + 150 200 RL = 200
Unit V V
LV /LT
DET
PD
`, ä0.01
Î Î Mw /Î
mV
ELECTRICAL CHARACTERISTICS (T A = 25Î)
Characteristic Detecting Voltage Symbol VDET Test RL = 200 VOL 0.4V
`
Conditions KA75250 KA75270 KA75290 KA75310 KA7533 KA7536 KA7539 KA7542 KA7545
Min 2.35 2.55 2.75 2.95 3.15 3.45 3.75 4.05 4.35
Typ 2. 5 2.7 2.9 3.1 3.3 3.6 3.9 4.2 4.5
Max 2.65 2.85 3.05 3.25 3.45 3.75 4.05 4.35 4.65 0.4 0.1
Unit V
Low Output Voltage Output Leakage Current Hysteresis Voltage Detecting Voltage Temper...
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