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LB1975 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part # LB1975
Description  For Fan Motor 3-phase Brushless Motor Driver
PDF  10 Pages
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1975 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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LB1975
No.6087-2/10
Allowable Operating Ranges at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC
4.5 to 6.7
V
Supply voltage range
VM
20 to 42
V
Input current range
IREG
VREG pin
1 to 5
mA
FG pin applied voltage
VFG
0 to VCC
V
FG pin output current
IFG
0 to 10
mA
Electrical Characteristics at Ta
= 25°C, VCC = 5V, VM = 30V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply current
ICC
10
14
18
mA
Output Block
VOsat1(L)
IO = 1.0A, VO(sink)
1.1
1.4
V
VOsat1(H)
IO = 1.0A, VO(source)
0.9
1.3
V
VOsat1
IO = 1.0A, VO(sink) + VO(source)
2.0
2.6
V
VOsat2(L)
IO = 2.0A, VO(sink)
1.4
1.8
V
VOsat2(H)
IO = 2.0A, VO(source)
1.2
1.7
V
Output saturation voltage
VOsat2
IO = 2.0A, VO(sink) + VO(source)
2.6
3.4
V
IOLeak(L)
100
µA
Output leak current
IOLeak(H)
-100
µA
VFH1
IO = 1.0A
1.2
1.6
V
Upper side diode forward voltage
VFH2
IO = 2.0A
2.1
2.6
V
Hall Amplifier
Input bias current
IHB
-4
-1
µA
Common-mode input voltage range
VICM
1.5
VCC-1.5
V
Hall input sensitivity
VHIN
60
mVp-p
Hysteresis width
∆VIN(HA)
23
32
39
mV
Input voltage (low to high)
VSLH
6
16
25
mV
Input voltage (high to low)
VSHL
-25
-16
-6
mV
FG Pin (speed pulse output)
Output low-level voltage
VFGL
IFG = 5mA
0.5
V
Pull-up resistor value
RFG
7.5
10
12.5
k
Ω
Current Limiter
Limiter
VRF
0.45
0.50
0.55
V
Thermal Shutdown
Thermal shutdown operating
temperature
TSD
Design target Value (junction temperature)
150
180
°C
Hysteresis width
∆TSD
Design target Value (junction temperature)
40
°C
Low-Voltage Protection
Operating voltage
VLVSD
3.5
3.8
4.1
V
Non-operating voltage
VLVSD(OFF)
4.3
4.5
V
Hysteresis width
∆VLVSD
0.4
0.5
0.6
V
PWM Oscillator
Output high-level voltage
VOH(OSC)
2.95
3.10
3.25
V
Output low-level voltage
VOL(OSC)
1.38
1.45
1.59
V
Amplitude
VOSC
1.50
1.65
1.71
Vp-p
Oscillator frequency
fOSC
C = 2200pF
19.6
23.0
27.6
kHz
Charge current
ICHG
-110
-94
-83
µA
Discharge resistance
RDCHG
1.6
2.1
2.6
k
Ω
VREG Pin
Pin voltage
VREG
IREG = 1.5mA
6.6
7.0
7.2
V
Continued on next page.



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