Owner's manual

Data Sheet
BTL Drive Single-phase Full-wave Fan Motor Driver AM4951/R/2
Apr. 2012 Rev. 1. 4 BCD Semiconductor Manufacturing Limited
6
Electrical Characteristics
V
CC
=12V, T
A
=25
o
C, unless otherwise specified.
Parameter Symbol Conditions Min Typ Max Unit
Supply Current
I
CC1
V
CT
=L 3 6 9 mA
I
CC2
V
CT
=H 2.5 5 7.5 mA
CT Charge Current I
CHG
0.9 1.3 1.5
µA
CT Discharge Current I
DHG
0.1 0.15 0.25
µA
CT Charge/Discharge
Current Ratio
R
CT
I
CHG
/ I
DHG
6 8 10
CT Clamp Voltage V
CL
1.3 1.5 1.7 V
CT Comparator Voltage V
CP
0.3 0.5 0.7 V
OUT Low Saturation Voltage V
SAT_L
I
OUT
=200mA 0.25 0.45 V
OUT High Saturation Voltage V
SAT_H
I
OUT
=200mA 0.95 1.2 V
Hall Input Sensitivity V
HN
7 15 mV
FG Low Level Voltage
(For AM4951/2)
V
FG
I
FG
=5mA 0.15 0.3 V
FG Leakage Current
(For AM4951/2)
I
FGL
V
FG
=15V 1 30
µA
RD Low Level Voltage
(For AM4951R/2)
V
RD
I
RD
=5mA 0.15 0.3 V
RD Leakage Current
(For AM4951R/2)
I
RDL
V
RD
=15V 1 30
µA
HB Voltage
(For AM4952)
V
HB
I
HB
=1mA 1.35 1.5 1.65 V