US168 / US169

Low Noise & Low voltage

Single-Coil Fan/Motor Driver

390109027901

Page 4 of 13

Data Sheet

Rev 001

July/06

6 General Electrical Specifications

Parameter

Symbol Test Conditions

Min

Typ

Max

Units

Supply Voltage

Operating

1.8

-

6.5

V

Supply Current

No load on OUT1/OUT2

1.3

2.5

mA

2.2

3.8

Ω

2.7

4.7

Ω

2.7

4.7

Ω

3.3

5.9

Ω

FG / RD Output Low Voltage

0.35

0.5

V

FG / RD Output Leakage Current

10

A

FG / RD Output Current Limit

16

mA

Soft Switching Threshold Voltage

1.8

2.5

V

Output Switching Slope Duration

150

µs

Output Switching Slope Duration

230

µs

Locked Rotor ON Time

0.4

s

Locked Rotor OFF Time

2.4

s

Thermal Protection Shutdown

Note 2

160

°C

Thermal Protection Release

Note 2

130

°C

Thermal Protection Hysteresis

Note 2

30

°C

Sensing Propagation Delay

(3)

37

µs

Multi-layer JEDEC test board

195

Package Thermal Resistance

1-layer JEDEC test board

301

°C/Watt

`Table 3: Electrical specifications

Note 2: Guarantied by design

the output change.

7 Magnetic Specifications

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

Operate point

0

3

5

mT

Release point

-5

-3

0

mT

Hysteresis

2

6

10

mT

Table 4: Magnetic specifications

8 Outputs Behaviour vs. Magnetic Pole

Parameter

Test conditions

OUT1

OUT2

FG

South pole

High

Low

Low

North pole

Low

High

High

Table 5: Outputs behaviour vs. magnetic pole

Note : The magnetic pole is applied facing the branded side of the package.