LB11851TT Datasheet, PDF (2/5 Pages) Sanyo Semicon Device – Microprocessor Fan Motor Interface Driver

LB11851TT
Specifications
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Conditions
Maximum supply voltage
OUTN pin maximum output current
VCC max
IOUTN max
OUTP pin maximum output current
IOUTP max
OUT pin voltage handling capacity
VOUT max
5VREG maximum output current
I5VREG max
Allowable power dissipation
Operating temperature
Pd max
Topr
When mounted on the specified circuit
board *1
*2
Storage temperature
Tstg
*1 Specified substrate :20.0mm ×10.0mm ×0.8mm, Paper phenol board.
*2 Do not exceed Tj max = 150°C
Recommended Operating Ranges at Ta = 25°C
Parameter
Symbol
Supply voltage - VCC
PWM high-level input voltage range
VCC
VPWMINH
PWM low-level input voltage range
VPWMINL
FGIN high-level input voltage range
VFGINH
FGIN low-level input voltage range
VFGINL
SENSE input voltage range
VSENop
Conditions
Ratings
Unit
18
V
20
mA
20
mA
18
V
20
mA
400
mW
-40 to +90
°C
-55 to +150
°C
Ratings
Unit
6 to 16
V
2.1 to 5.0
V
0 to 0.4
V
2.1 to 5.0
V
0 to 0.3
V
0 to 5.0
V
Electrical Characteristics at Ta = 25°C, VDD = 12V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Circuit current
5VREG voltage
ICC1
5VREG
With no load
5VREG = 10mA
3.5
5
6.5
mA
4.8
5
5.2
V
SENSE pin detection voltage
VSENth
0.15
0.19
0.23
V
FGIN high-level input current
FGIN low-level input current
PWMIN high-level current
PWMIN low-level current
OUT1P, OUT2P high-level output
voltage
OUT1P, OUT2P low-level output
voltage
OUT1N, OUT2N high-level output
voltage
OUT1N, OUT2N low-level output
voltage
FGIhi
FGIlow
PWMIhi
PWMIlow
VO12PH
VO12PL
VO12NH
VO12NL
VIN = 3V
VIN = 0V
VIN = 3V
VIN = 0V
IO = 10mA *2
IO = 1mA *2
IO = 10mA *2
IO = 1mA *2
IO = 10mA *1
IO = 1mA *1
IO = 10mA *1
IO = 1mA *1
60
80
100
μA
-27
-21
-15
μA
35
45
55
μA
-27
-21
-14
μA
10
11
11.9
V
11
11.3
V
3
4
5
V
1.2
1.5
V
9
10
11.9
V
10.8
11.1
V
0.1
1
2
V
0.7
1
V
*1 : There is a built-in 100Ω gate protection resistor.
*2 : There is a built-in 300Ω gate protection resistor.
Truth Table
FGIN
L
PWMIN
L
SENSE
L
OUT1P
L
OUT1N
L
OUT2P
H
OUT2N
H
Mode
OUT1 → 2 drive
H
H
H
L
L
OUT2 → 1 drive
L
H
L
H
L
H
H
Regeneration mode
H
H
H
H
L
(low side regeneration)
L
L
H
H
L
H
H
Current limiter
H
H
H
H
L
(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).
Package Dimensions
Pin Assignment
No.A1634-2/5