LB11948T Datasheet, PDF (2/12 Pages) Sanyo Semicon Device – Monolithic Digital IC PWM Constant Current Control 1-2 Phase Excitation Stepping Motor Driver

LB11948T
Electrical Characteristics at Ta = 25°C, V_S = V_CC = 5 V, V_REF = 0.3 V
Parameter
[Output Block]
V_S system supply current
Output saturation voltage 1
Output saturation voltage 2
Output saturation voltage 3
Output saturation voltage 4
Output leakage current
Upper and lower side output diodes
Forward voltage 1 (upper side)
Forward voltage 2 (lower side)
[Logic Block]
V_CC system supply current
Input voltage
Input current
Reference voltage: 1 V
Current setting reactive current
Reference current
CR pin current 1
CR pin current 2
Sense voltage 1
Thermal shutdown temperature ∗
Symbol
Conditions
Ratings
Unit
min
typ
max
I_VS OFF
PH1 = PH2 = 0 V, EN1 = EN2 = 3.0 V ST = 3.0 V
5
µA
I_VS ON
PH1 = PH2 = EN1 = EN2 = 0 V ST = 3.0 V
28
40
52
mA
I_VS wt
PH1 = PH2 = EN1 = EN2 = ST = 0 V
1
µA
V_O(sat) 1
I_O = +0.2A (source)
0.2
0.4
V
V_O(sat) 2
I_O = +0.4A (source)
0.3
0.5
V
V_O(sat) 3
I_O = −0.2A (sink)
0.2
0.4
V
V_O(sat) 4
I_O = −0.4A (sink)
0.3
0.5
V
I_O1 (leak)
V_O = V_BB (sink)
50
µA
I_O2 (leak)
V_O = 0 V (source)
−50
µA
VF1
I = 400 mA
VF2
I = 400 mA
0.9
1.1
1.3
V
0.9
1.1
1.3
V
I_CC OFF
I_CC ON
I_CC wt
VI on
VI off
I_IN
V1V
IE
IREF
ICR1
ICR2
VSEN1
TS
PH1 = PH2 = 0 V, EN1 = EN2 = 3.0 V ST = 3.0 V
6.5
PH1 = PH2 = EN1 = EN2 = 0 V ST = 3.0 V
7
PH1 = PH2 = EN1 = EN2 = ST = 0 V
2.0
VIN = 5 V
I_O = 1 mA
V_REF = 0.3 V, VE = 0.3 V
CR = 0.5 V
CR = 3 V
V_REF = 0.5 V
∗
70
0.95
−22
−1
−2
1.65
0.475
10
13.5
mA
11
15
mA
1
µA
V
0.8
V
100
130
µA
1
1.05
V
−17 −10.5
mA
µA
µA
2.2
2.75
mA
0.5 0.525
V
170
°C
Note ∗: Design guarantee value
Truth Table
Input
ST
H
H
H
L
Channel 1
Input
Output
PHASE1
ENABLE1
OUTA−
OUTA
L
L
H
L
H
L
L
H
∗
H
OFF
OFF
∗
∗
OFF
OFF
Note ∗: Levels shown as an asterisk (∗) can be set to be either high or low.
Channel 2
Input
Output
PHASE2
ENABLE2
OUTB−
OUTB
L
L
H
L
H
L
L
H
∗
H
OFF
OFF
∗
∗
OFF
OFF
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