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US65 Datasheet(PDF) 4 Page - Melexis Microelectronic Systems

Part # US65
Description  Two-Coil Low Noise Fan Driver High Output Current
PDF  12 Pages
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Manufacturer  MELEXIS [Melexis Microelectronic Systems]
Direct Link  http://www.melexis.com
Logo MELEXIS - Melexis Microelectronic Systems

US65 Datasheet(HTML) 4 Page - Melexis Microelectronic Systems

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US65 / US66
Two-Coil Low Noise Fan Driver
High Output Current
3901090209
Page 4 of 12
Preliminary Datasheet
Rev 006
Jan/07
6 General Electrical Specifications
DC Operating Parameters TJ = 25
oC, V
DD = 12V (unless otherwise specified)
Parameter.
Symbol
Test Conditions
Min
Typ
Max
Units
Supply Voltage
VDD
Operating
3
12
18
V
Supply Current
IDD
3
5
mA
OUT1, OUT2 ON Resistance
RDSON 1,2
1
2
Ω
OUT1, OUT2 Clamp Voltage
VOUT 1,2
36
V
FG / RD Output Low Voltage
VOL
IOL = 4mA
0.35
0.5
V
FG / RD Output Clamp Voltage
VCLMP
18
V
FG / RD Output Leakage Current
ILEAK
VFG (VRD) = 5V
10
A
FG / RD Output Current Limit
IFGLIM
VFG (VRD) = 12V
20
mA
Output Switching Slope Duration (1)
TSW
VDD = 12V,
pin SLOPE left open
40
70
160
s
Output Switching Slope Duration (1)
TSW
VDD = 12V,
RSLOPE =100k
87
120
189
s
Output Switching Slope Duration (1)
TSW
VDD = 5V,
pin SLOPE left open
73
126
250
s
Output Switching Slope Duration (1)
TSW
VDD = 5V,
RSLOPE =100k
87
120
189
s
Locked Rotor Period
TON
VDD = 12V
0.24
0.29
0.39
s
Locked Rotor Period
TOFF
VDD = 12V
1.44
1.5
2.34
s
Locked Rotor Period
TON
VDD = 5V
0.48
0.6
0.89
s
Locked Rotor Period
TOFF
VDD = 5V
2.88
3.65
5.34
s
Thermal Protection Shutdown
TSD
Note 2
160
o
C
Thermal Protection Release
TREL
Note 2
130
o
C
DC Package Thermal Resistance
RTH
Single layer PCB
150
o
C/Watt
Table 3: Electrical specifications
Note 1: Measured with active load connected to the output, from 10% to 90% of the VDD voltage.
Note 2: Guarantied by design
7 Magnetic Specifications
DC Operating Parameters TJ = 25
oC, V
DD = 12V (unless otherwise specified)
Parameter.
Symbol
Test Conditions
Min
Typ
Max
Units
Operate point
BOP
3
6
mT
Release point
BRP
-6
-3
mT
Hysteresis
BHYST
2
6
mT
Table 4: Magnetic specifications



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