US3881EUA Melexis Inc, US3881EUA Datasheet - Page 34

• Manufacturer Part Number: US3881EUA
• Description: IC HALL ELFFECT SW MP TO-92UA
• Manufacturer: Melexis Inc
• Type: Digital Latchr

Specifications of US3881EUA

• Sensing Range: 9mT Trip, -9mT Release
• Voltage - Supply: 2.2 V ~ 18 V
• Current - Supply: 5mA
• Current - Output (max): 50mA
• Output Type: Digital, Open Drain
• Operating Temperature: -40°C ~ 85°C
• Package / Case: TO-92UA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: Q3906089

Section 3 - Applications
Push-button
The common push-button switch may be rep;aced with a Hall IC and magnet, as shown in two configu-
rations, Figure 17. The slide-by case, Figure 17A, requires a mechanical return spring, returning the push
button after it is depressed, but Figure 17B uses repelling magnets to activate the switch and return the
push-button.
Figure 21, Push-button
Figure 21A
A mechanical spring is required in order
to eturn the button to its off location.
N
S
3-20
Figure 21B
Repelling South poles take the place of a
mechanical spring to return the button to
N
S
S
N