LV8731VGEVB 查看數據表（PDF） - ON Semiconductor
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LV8731VGEVB Datasheet PDF : 26 Pages
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LV8731V
Electrical Characteristics at Ta = 25°C, VM = 24V, VREF = 1.5V
Parameter
Symbol
Conditions
Standby mode current drain
IMst
Current drain
IM
ST = “L” , I(VM)+I(VM1)+I(VM2)
ST = “H”, OE = “L”, with no load
VREG5 output voltage
Thermal shutdown temperature
Thermal hysteresis width
Motor driver
Output on resistance
Output leakage current
Diode forward voltage
Logic pin input current
Logic input voltage
High
Low
Current setting
comparator
threshold voltage
(current step
switching)
1/16 step
resolution
Quarter step
resolution
Half step
resolution
Full step
resolution
Current setting comparator
threshold voltage
(current attenuation rate switching)
Chopping frequency
CHOP pin charge/discharge current
Chopping oscillation circuit
threshold voltage
Vreg5
TSD
ΔTSD
I(VM)+I(VM1)+I(VM2)
IO = -1mA
Design guarantee
Design guarantee
Ronu
Rond
IOleak
VD
IINL
IINH
VINh
VINl
Vtdac0_4W
Vtdac1_4W
Vtdac2_4W
Vtdac3_4W
Vtdac4_4W
Vtdac5_4W
Vtdac6_4W
Vtdac7_4W
Vtdac8_4W
Vtdac9_4W
Vtdac10_4W
Vtdac11_4W
Vtdac12_4W
Vtdac13_4W
Vtdac14_4W
Vtdac15_4W
Vtdac0_W
Vtdac4_W
Vtdac8_W
Vtdac12_W
Vtdac0_H
Vtdac8_H
Vtdac8_F
Vtatt00
Vtatt01
Vtatt10
Vtatt11
Fchop
Ichop
Vtup
Vtdown
IO = 2A, Upper-side on resistance
IO = 2A, Lower-side on resistance
ID = -2A
ATT1 , ATT2 , EMM , RST/BLK ,
STEP/DC22 , FR/DC21 , MD2/DC12 ,
MD1/DC11 , DM , OE , ST , VIN = 0.8V
VIN = 5V
ATT1 , ATT2 , EMM , RST/BLK ,
STEP/DC22 , FR/DC21 , MD2/DC12 ,
MD1/DC11 , DM , OE , ST
Step 0 (When initialized : channel 1
comparator level)
Step 1 (Initial state+1)
Step 2 (Initial state+2)
Step 3 (Initial state+3)
Step 4 (Initial state+4)
Step 5 (Initial state+5)
Step 6 (Initial state+6)
Step 7 (Initial state+7)
Step 8 (Initial state+8)
Step 9 (Initial state+9)
Step 10 (Initial state+10)
Step 11 (Initial state+11)
Step 12 (Initial state+12)
Step 13 (Initial state+13)
Step 14 (Initial state+14)
Step 15 (Initial state+15)
Step 0 (When initialized : channel 1
comparator level)
Step 4 (Initial state+1)
Step 8 (Initial state+2)
Step 12 (Initial state+3)
Step 0 (When initialized : channel 1
comparator level)
Step 8 (Initial state+1)
Step 8' (When initialized : channel 1
comparator level)
ATT1 = L, ATT2 = L
ATT1 = H, ATT2 = L
ATT1 = L, ATT2 = H
ATT1 = H, ATT2 = H
Cchop = 200pF
Ratings
Unit
min
typ
max
100
400
μA
3.2
5
mA
4.5
5
5.5
V
150
180
200
°C
40
°C
0.3
0.4
Ω
0.25
0.33
Ω
50
μA
1.2
1.4
V
4
8
12
μA
30
2.0
0
0.291
0.291
0.285
0.279
0.267
0.255
0.240
0.222
0.201
0.180
0.157
0.134
0.107
0.080
0.053
0.023
0.291
0.267
0.201
0.107
0.291
0.201
0.291
0.291
0.232
0.143
0.053
40
7
0.8
0.4
50
70
μA
5.5
V
0.8
V
0.3
0.309
V
0.3
0.294
0.288
0.276
0.264
0.249
0.231
0.21
0.189
0.165
0.141
0.114
0.087
0.06
0.03
0.3
0.309
V
0.303
V
0.297
V
0.285
V
0.273
V
0.258
V
0.240
V
0.219
V
0.198
V
0.173
V
0.148
V
0.121
V
0.094
V
0.067
V
0.037
V
0.309
V
0.276
0.21
0.114
0.3
0.285
V
0.219
V
0.121
V
0.309
V
0.21
0.219
V
0.3
0.309
V
0.3
0.309
V
0.24
0.248
V
0.15
0.157
V
0.06
0.067
V
50
60 kHz
10
13
μA
1
1.2
V
0.5
0.6
V
Continued on next page
No.A1482-2/26
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