A3967SLB Datasheet, PDF (3/16 Pages) Allegro MicroSystems – MICROSTEPPING DRIVER WITH TRANSLATOR

3967
MICROSTEPPING DRIVER
WITH TRANSLATOR
ELECTRICAL CHARACTERISTICS at T_A = +25°C, V_BB = 30 V, V_CC = 3.0 V to 5.5V (unless otherwise
noted)
Limits
Characteristic
Symbol Test Conditions
Min. Typ. Max. Units
Output Drivers
Load Supply Voltage Range
V_BB Operating
During sleep mode
4.75
–
30
V
0
–
30
V
Output Leakage Current
I_CEX V_OUT = V_BB
–
<1.0
20
µA
V_OUT = 0 V
–
<-1.0 -20
µA
Output Saturation Voltage
V_CE(sat) Source driver, I_OUT = -750 mA
–
1.9
2.1
V
Source driver, I_OUT = -400 mA
–
1.7
2.0
V
Sink driver, I_OUT = 750 mA
–
0.65
1.3
V
Sink driver, I_OUT = 400 mA
–
0.21
0.5
V
Clamp Diode Forward Voltage V_F I_F = 750 mA
–
1.4
1.6
V
I_F = 400 mA
–
1.1
1.4
V
Motor Supply Current
I_BB Outputs enabled
–
–
5.0
mA
RESET high
–
–
200
µA
Sleep mode
–
–
20
µA
Control Logic
Logic Supply Voltage Range
Logic Input Voltage
Logic Input Current
Maximum STEP Frequency
Blank Time
Fixed Off Time
V_CC
V_IN(1)
V_IN(0)
I_IN(1)
I_IN(0)
f_STEP
t_BLANK
t_off
Operating
V_IN = 0.7V_CC
V_IN = 0.3V_CC
R_t = 56 kΩ, C_t = 680 pF
R_t = 56 kΩ, C_t = 680 pF
3.0
0.7V_CC
–
-20
-20
500*
700
30
5.0
5.5
V
–
–
V
–
0.3V_CC
V
<1.0
20
µA
<1.0
20
µA
–
–
kHz
950 1200
ns
38
46
µs
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