A1103
Unipolar Hall-Effect Digital Switch
Application Examples
Features and Benefits
Automotive, Consumer and Industrial
Solid-state switch
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4.5V to 24V Operation
-40℃ to 150℃ Superior temperature operation
Bipolar technology
Open-collector 25 mA output
Reverse battery protection
Small Size-SOT23 3L or SIP 3L
Solid-state reliability
Resistant to physical stress
Activate with small, commercially available
Permanent magnets
Brushless DC motor commutation
Speed detection
Linear position detection
Angular position detection
Proximity detection
3 pin SOT23 (suffix SO)
3 pin SIP (suffix UA)
Functional Block Diagram
VDD
Voltage
Regulatr
OUT
Chopper
Hall
Plate
GND
SIP Package
Pin 1 – VDD
Pin 2 – GND
Pin 3 – OUT
SOT Package
Pin 1 – VDD
Pin 2 – OUT
Pin 3 – GND
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V1.10 May 1, 2011
SECELECTRONICS [ SEC Electronics Inc. ]
