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LB11948T 데이터시트(PDF) 2 Page - Sanyo Semicon Device

부품명 LB11948T
상세설명  Monolithic Digital IC PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver
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제조업체  SANYO [Sanyo Semicon Device]
홈페이지  https://www.sanyo-av.com/us/
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LB11948T
No.7947-2/12
Electrical Characteristics at Ta = 25°C, VS = VCC = 5 V, VREF = 0.3 V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
[Output Block]
IVS OFF
PH1
= PH2 = 0 V, EN1 = EN2 = 3.0 V ST = 3.0 V
5
µA
IVS ON
PH1
= PH2 = EN1 = EN2 = 0 V ST = 3.0 V
28
40
52
mA
VS system supply current
IVS wt
PH1
= PH2 = EN1 = EN2 = ST = 0 V
1
µA
Output saturation voltage 1
VO(sat) 1
IO = +0.2A (source)
0.2
0.4
V
Output saturation voltage 2
VO(sat) 2
IO = +0.4A (source)
0.3
0.5
V
Output saturation voltage 3
VO(sat) 3
IO = −0.2A (sink)
0.2
0.4
V
Output saturation voltage 4
VO(sat) 4
IO = −0.4A (sink)
0.3
0.5
V
IO1 (leak)
VO = VBB (sink)
50
µA
Output leakage current
IO2 (leak)
VO = 0 V (source)
−50
µA
Upper and lower side output diodes
Forward voltage 1 (upper side)
VF1
I
= 400 mA
0.9
1.1
1.3
V
Forward voltage 2 (lower side)
VF2
I
= 400 mA
0.9
1.1
1.3
V
[Logic Block]
ICC OFF
PH1
= PH2 = 0 V, EN1 = EN2 = 3.0 V ST = 3.0 V
6.5
10
13.5
mA
ICC ON
PH1
= PH2 = EN1 = EN2 = 0 V ST = 3.0 V
7
11
15
mA
VCC system supply current
ICC wt
PH1
= PH2 = EN1 = EN2 = ST = 0 V
1
µA
VI on
2.0
V
Input voltage
VI off
0.8
V
Input current
IIN
VIN
= 5 V
70
100
130
µA
Reference voltage: 1 V
V1V
IO = 1 mA
0.95
1
1.05
V
Current setting reactive current
IE
−22
−17
−10.5
mA
Reference current
IREF
VREF = 0.3 V, VE = 0.3 V
−1
µA
CR pin current 1
ICR1
CR
= 0.5 V
−2
µA
CR pin current 2
ICR2
CR
= 3 V
1.65
2.2
2.75
mA
Sense voltage 1
VSEN1
VREF = 0.5 V
0.475
0.5
0.525
V
Thermal shutdown temperature
TS
170
°C
Note
∗: Design guarantee value
Truth Table
Channel 1
Channel 2
Input
Input
Output
Input
Output
ST
PHASE1
ENABLE1
OUTA
OUTA
PHASE2
ENABLE2
OUTB
OUTB
H
L
L
H
L
L
L
H
L
H
H
L
L
H
H
L
L
H
H
H
OFF
OFF
H
OFF
OFF
L
OFF
OFF
OFF
OFF
Note
∗: Levels shown as an asterisk (∗) can be set to be either high or low.


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