Preliminary Datasheet

Single Phase Full-wave Low Voltage Fan Motor Driver

AM9799

Jun. 2011

Rev. 1. 1

BCD Semiconductor Manufacturing Limited

5

-25

0

25

50

75

100

125

150

0

200

400

600

800

Ambient Temperature (

oC)

Electrical Characteristics

VCC =5V, TA=25°C, unless otherwise specified.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Supply Current

ICC

4

6

mA

Input Offset Voltage

VHOFS

±4

mV

Output Saturation Voltage

VO

IO=250mA

upper and lower total

0.3

0.45

V

Input-output Gain

GIN

45

48

50

dB

FG Low Voltage

VFGL

IFG=3mA

0.3

V

Input Hysteresis Voltage

VHYS

±6

±10

±15

mV

Lock Detection ON time

TON

0.35

0.5

0.7

sec

Lock Detection OFF time

TOFF

3.5

5

7

sec

Hall Bias Voltage

VHB

IHB=5mA

1.15

1.3

1.45

V

Typical Performance Characteristics

Figure 4. Power Dissipation vs. Ambient Temperature