SS109 datasheet(3/6 Pages) SECELECTRONICS

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SS109

Unipolar Hall Switch

V2.10

May 1, 2012

General Electrical Specifications

DC Operating Parameters TA = 25℃, VDD= 2.5V to 24V (unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Supply Voltage

VDD

Operating

2.2

Supply Current

IDD

B < BRP

Output Saturation Voltage

VDSon

IOUT = 20mA, B > BOP

0.5

Output Leakage Current

IOFF

B < BRP VOUT = 24V

µA

Output Rise Time

RL = 1kΩ, CL = 20pF

0.25

µs

Output Fall Time

RL = 1kΩ, CL = 20pF

0.25

µs

Maximum Switching Frequency FSW

---

KHz

Package Thermal Resistance

RTH

Single layer (1S) Jedec board

301

°C/W

Table 3: Electrical Specifications

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 2.5V.

Magnetic Specifications

DC Operating Parameters VDD = 2.5V to 24V (unless otherwise specified)

SS109

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Operating Point

BOP

-150

-120

-90

Release Point

BRP

-120

-80

-40

Hysteresis

BHYST

E spec., TA = 85°C

Operating Point

BOP

-160

-120

-85

Release Point

BRP

-130

-80

-35

Hysteresis

BHYST

K spec., TA = 125°C

Operating Point

BOP

-170

-120

-80

Release Point

BRP

-140

-80

-30

Hysteresis

BHYST

L spec., TA = 150°C

Table 4: Magnetic Specifications

Output Behavior versus Magnetic Pole

DC Operating Parameters TA = -40℃ to 150℃, VDD = 2.5V to 24V (unless otherwise specified)

Parameter

Test Conditions

OUT

South pole (SOT )

B > BOP

Low

North pole ( TO)

B > BOP

Low

Null or weak magnetic field

B = 0 or B < BRP

High

Table5:Output behavior versus magnetic pole

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