SS109

Unipolar Hall Switch

3

V3.10

Nov 1, 2013

General Electrical Specifications

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Supply Voltage

Operating

3.5

24

V

Supply Current

5

mA

Output Saturation Voltage

0.5

V

Output Leakage Current

1

10

µA

Output Rise Time

Ω, C

0.25

µs

Output Fall Time

Ω, C

0.25

µs

Maximum Switching Frequency

---

10

KHz

Package Thermal Resistance

Single layer (1S) Jedec board

301

°C/W

Note: The output of SS109 will be switched after the supply voltage is over 2.2V, but the magnetic characteristics won't be

normal until the supply is over 3.5V.

Magnetic Specifications

Package

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

UA

Operating Point

-160

-120

-100

G

Release Point

-140

-85

-50

G

Hysteresis

20

35

50

G

SO

Operating Point

100

120

160

G

Release Point

50

85

140

G

Hysteresis

20

35

50

G

Output Behavior versus Magnetic Pole

Test Conditions (UA)

Test Conditions (SO)

OUT

High

Low

The SOT-23 device is reversed from the UA package. The SOT-23 output transistor will be turned on(drops low) in the

presence of a sufficiently strong South pole magnetic field applied to the marked face.