VOLTAGE DETECTOR
KA75XXX
Voltage Detector
www.fairchildsemi.com
Features
• Detecting Against Error Operations At The Power On/off. • Re...
Description
KA75XXX
Voltage Detector
www.fairchildsemi.com
Features
Detecting Against Error Operations At The Power On/off. Resetting Function For The Low Voltage Microprocessor. Checking Low Battery
Description
The KA75250/KA75270/KA75290/KA75310/KA75330/ KA75360/KA75390/KA75420/KA75450 prevents the error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems.
TO-92
1 SOT-89
1 1. Input 2. GND 3. Output
Internal Block Diagram
INPUT 1 1:TO-92 3:SOT-89
VREF
GND 2 2:TO-92 2:SOT-89
©2002 Fairchild Semiconductor Corporation
3 OUT 3:TO-92 1:SOT-89
Rev. 1.0.3
KA75XXX
Absolute Maximum Rating (TA=25°C)
Characteristic Supply Voltage
Symbol Vcc
Detecting Voltage
VDET
Hysteresis Voltage
Operating Temperature Storage Temperature
Power Dissipation TO-92 SOT-89
Detecting Voltage Temperature Coefficient
VHYS TOPR TSTG
PD
∆VDET/∆T
Value 0.3 ~ +15.0 2.5/2.7/2.9/3.1 3.3/3.6/3.9/4.2/4.5
50 -25 ~ +85 -50 ~ +150
200 500 RL = 200Ω, +0.01
Unit V V mV °C °C
mW
%/°C
Electrical Characteristics (TA=25°C)
Characteristic
Symbol
Test Conditions
Min Typ Max Unit
Detecting Voltage
VDET
RL= 200Ω KA75250 2.35 VOL ≤ 0.4V KA75270 2.55
KA75290 2.75 KA75310 2.95 KA75330 3.15 KA75360 3.45 KA75390 3.75 KA75420 4.05 KA75450 4.35
2.5 2.65 2.7 2.85 2.9 3.05 3.1 3.25 3.3 3.45 V 3.6 3.75 3.9 4.05 4.2 4.35 4.5 4.65
Low Output Voltage
VOL
RL = 200Ω
-
-
0.4
V
Output Leakage Current
ILKG
VCC = 15V
-
-
0.1 uA
Hysteresis Voltag...
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