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LB11851FA Folha de dados(PDF) 2 Page - ON Semiconductor

Nome de Peças LB11851FA
Descrição Electrónicos  Microprocessor Fan Motor Interface Driver
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Fabricante Electrônico  ONSEMI [ON Semiconductor]
Página de início  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LB11851FA Folha de dados(HTML) 2 Page - ON Semiconductor

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LB11851FA
No.A2092-2/5
Specifications
Absolute Maximum Ratings
at Ta
= 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
18
V
OUTN pin maximum output current
IOUTN max
20
mA
OUTP pin maximum output current
IOUTP max
20
mA
OUT pin voltage handling capacity
VOUT max
18
V
5VREG maximum output current
I5VREG max
20
mA
Allowable power dissipation
Pd max
When mounted on the specified circuit board *1
400
mW
Operating temperature
Topr
*2
-40 to +90
°C
Storage temperature
Tstg
-55 to +150
°C
*1 Specified substrate :20.0mm ×10.0mm ×0.8mm, Paper phenol board.
*2 Do not exceed Tj max = 150
°C
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
Recommended Operating Ranges
at Ta
= 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage - VCC
VCC
6 to 16
V
PWM high-level input voltage range
VPWMINH
2.1 to 5.0
V
PWM low-level input voltage range
VPWMINL
0 to 0.4
V
FGIN high-level input voltage range
VFGINH
2.1 to 5.0
V
FGIN low-level input voltage range
VFGINL
0 to 0.3
V
SENSE input voltage range
VSENop
0 to 5.0
V
Electrical Characteristics
at Ta
= 25°C, VDD = 12V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Circuit current
ICC1
With no load
3.5
5
6.5
mA
5VREG voltage
5VREG
5VREG = 10mA
4.8
5
5.2
V
SENSE pin detection voltage
VSENth
0.15
0.19
0.23
V
FGIN high-level input current
FGIhi
VIN = 3V
60
80
100
μA
FGIN low-level input current
FGIlow
VIN = 0V
-27
-21
-15
μA
PWMIN high-level current
PWMIhi
VIN = 3V
35
45
55
μA
PWMIN low-level current
PWMIlow
VIN = 0V
-27
-21
-14
μA
IO = 10mA *2
10
11
11.9
V
OUT1P, OUT2P high-level output
voltage
VO12PH
IO = 1mA *2
11
11.3
V
IO = 10mA *2
3
4
5
V
OUT1P, OUT2P low-level output
voltage
VO12PL
IO = 1mA *2
1.2
1.5
V
IO = 10mA *1
9
10
11.9
V
OUT1N, OUT2N high-level output
voltage
VO12NH
IO = 1mA *1
10.8
11.1
V
IO = 10mA *1
0.1
1
2
V
OUT1N, OUT2N low-level output
voltage
VO12NL
IO = 1mA *1
0.7
1
V
*1 : There is a built-in 100
Ω gate protection resistor.
*2 : There is a built-in 300
Ω gate protection resistor.
Truth Table
FGIN
PWMIN
SENSE
OUT1P
OUT1N
OUT2P
OUT2N
Mode
L
L
L
H
H
OUT1
→ 2 drive
H
L
L
H
H
L
L
OUT2
→ 1 drive
L
H
L
H
H
H
H
L
H
H
H
L
Regeneration mode
(low side regeneration)
L
H
L
H
H
H
L
H
H
H
H
L
Current limiter
(low side regeneration)
Note 1 : For the SENSE pin, the "H" state is 0.2V or higher.
Note 2 : The IC goes to regeneration mode (no motor drive applied) when the microcontroller is reset (the output high-impedance state).
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.


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