參數(shù)資料
型號： LV8741V
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類： 運動控制電子
英文描述： STEPPER MOTOR CONTROLLER, 1.75 A, PDSO44
封裝： 0.275 INCH, SSOP-44
文件頁數(shù)： 12/25頁
文件大?。?/td> 204K
代理商： LV8741V
LV8741V
No.A0814-2/25
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
Unit
Allowable power dissipation 1
Pd max1
Independent IC
0.55
W
Allowable power dissipation 2
Pd max2
* Our recommended two-layer substrate *1, *2
2.9
W
Operating temperature
Topr
-20 to +85
°C
Storage temperature
Tstg
-55 to +150
°C
*1 Specified circuit board : 90
×90×1.7mm3 : glass epoxy printed circuit board
*2 For mounting to the backside by soldering, refer the precautions.
Recommended Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage range 1
VM
9.5 to 35
V
Supply voltage range 2
VCC
2.7 to 5.5
V
VREF input voltage range
VREF
0 to VCC-1.8
V
Electrical Characteristics at Ta = 25°C, VM = 24V, VCC = 5V, VREF = 1.5V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Standby mode current drain 1
IMstn
ST = ”L”
150
200
A
Current drain 1
IM
ST = ”H”, OE = ”H”, no load
0.75
1
mA
Standby mode current drain 2
ICCstn
ST = ”L”
110
160
A
Current drain 2
ICC
ST = ”H”, OE = ”H”, no load
2.5
3
mA
VCC low-voltage cutoff voltage
VthVCC
2.2
2.35
2.5
V
Low-voltage hysteresis voltage
VthHIS
100
150
200
mV
Thermal shutdown temperature
TSD
Design guarantee
180
°C
Thermal hysteresis width
TSD
Design guarantee
40
°C
Ronu
IO = 1.5A, Upper-side on resistance
0.5
0.7
Output on-resistance
Rond
IO = 1.5A, Lower-side on resistance
0.5
0.6
Output leakage current
IOleak
50
A
Diode forward voltage 1
VD1
ID = -1.0A
1
1.3
V
Diode forward voltage 2
VD2
ID = -1.5A
1.1
1.5
V
IINL
VIN = 0.8V
3
8
15
A
Logic pin input current
IINH
VIN = 5V
30
50
70
A
Logic high-level input voltage
VINH
2.0
V
Logic low-level input voltage
VINL
0.8
V
Step 0(When initialized : channel 1
comparator level)
0.485
0.5
0.515
V
Step 1 (Initial state+1)
0.485
0.5
0.515
V
Step 2 (Initial state+2)
0.323
0.333
0.343
V
W1-2-phase
drive
Step 3 (Initial state+3)
0.155
0.167
0.179
V
Step 0 (When initialized: channel 1
comparator level)
0.485
0.5
0.515
V
1-2 phase drive
Step 2 (Initial state+1)
0.323
0.333
0.343
V
Step 0 (Initial state, channel 1 comparator
level)
0.485
0.5
0.515
V
1-2 phase (full
torque) drive
Step 2 (Initial state+1)
0.485
0.5
0.515
V
Current
selection
reference
voltage level
2 phase drive
Step 2
0.485
0.5
0.515
V
Chopping frequency
Fchop
RCHOP = 20k
45
62.5
75
kHz
VRF00
ATT1 = L, ATT2 = L
0.485
0.5
0.515
V
VRF01
ATT1 = H, ATT2 = L
0.323
0.333
0.343
V
VRF10
ATT1 = L, ATT2 = H
0.237
0.25
0.263
V
Current setting reference voltage
VRF11
ATT1 = H, ATT2 = H
0.155
0.167
0.179
V
VREF pin input current
Iref
VREF = 1.5V
-0.5
A
Continued on next page.
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