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KA75420 Datasheet

Part Number KA75420
Manufacturers Fairchild
Logo Fairchild
Description Voltage Detector
Datasheet KA75420 DatasheetKA75420 Datasheet (PDF)

www.fairchildsemi.com KA75XXX Voltage Detector 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 I.

  KA75420   KA75420






Part Number KA75420Z
Manufacturers Fairchild
Logo Fairchild
Description Voltage Detector
Datasheet KA75420 DatasheetKA75420Z Datasheet (PDF)

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 INP.

  KA75420   KA75420







Part Number KA75420M
Manufacturers Fairchild
Logo Fairchild
Description Voltage Detector
Datasheet KA75420 DatasheetKA75420M Datasheet (PDF)

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 INP.

  KA75420   KA75420







Part Number KA7542
Manufacturers Fairchild
Logo Fairchild
Description VOLTAGE DETECTOR
Datasheet KA75420 DatasheetKA7542 Datasheet (PDF)

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 KA75.

  KA75420   KA75420







Voltage Detector

www.fairchildsemi.com KA75XXX Voltage Detector 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 3 OUT 3:TO-92 1:SOT-89 VREF 2 GND 2:TO-92 2:SOT-89 Rev. 1.0.3 ©2002 Fairchild Semiconductor Corporation KA75XXX Absolute Maximum Rating (TA=25°C) Characteristic Supply Voltage Detecting Voltage Hysteresis Voltage Operating Temperature Storage Temperature Power Dissipation TO-92 SOT-89 Detecting Voltage Temperature Coefficient Symbol Vcc VDET 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 RL= 200Ω VOL ≤ 0.4V Detecting Voltage VDET KA75250 KA75270 KA75290 KA75310 KA75330 KA75360 KA75390 KA75420 KA75450 Min 2.35 2.55 2.75 2.95 3.15 3.45 3.75 4.05 4.35 30 0.6 10 8 Typ 2.5 2.7 2.9 3.1 3.3 3.6 3.9 4.2 4.5 50 ±0.01 300 30 0.8 10 15 20 16 Max 2.65 2.85 3.05 3.25 3.45 3.75 4.05 4.35 4.65 0.4 0.1 100 500 50 1.0 20 30 30 Unit V Low Output Voltage Output Leakage Current Hysteresis Vo.


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