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参数资料
| 型号： | L6258EA |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 2 A, PDSO36 |
| 封装： | POWER, SO-36 |
| 文件页数： | 19/23页 |
| 文件大小： | 214K |
| 代理商： | L6258EA |
5/23
L6258EA
Table 4. Electrical Characteristics (VS = 40V; VDD = 5V; Tj = 25°; unless otherwise specified.)
Note 1: This is true for all the logic inputs except the disable input.
(*) Chopping frequency is twice fosc value.
(**) If Tj is inside the range -40 to -10°C then Vref max is 2V+0.5V(Tj + 40°C)/30°C. If Tj is greater than -10°C then Vref max is 2.5V.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
12
40
V
VDD
Logic Supply Voltage
4.75
5.25
V
VBOOT
Storage Voltage
VS = 12 to 40V
VS+6
VS+12
V
VSense
Max Drop Across Sense Resistor
1.25
V
VS(off)
Power off Reset
Off Threshold
6
7.2
V
VDD(off)
Power off Reset
Off Threshold
3.3
4.1
V
IS(on)
VS Quiescent Current
Both bridges ON, No Load
15
mA
IS(off)
VS Quiescent Current
Both bridges OFF
7
mA
IDD
VDD Operative Current
15
mA
TSD-H Shut Down Hysteresis
25
°C
TSD
Thermal shutdown
150
°C
fosc
Triangular Oscillator Frequency (*) CFREF = 1nF
12.5
15
17.5
KHz
TRANSISTORS
IDSS
Leakage Current
OFF State
500
A
Rds(on)
On Resistance
ON State
0.6
0.75
Vf
Flywheel diode Voltage
If =1.0A
1
1.4
V
CONTROL LOGIC
Vin(H)
lnput Voltage
All Inputs
2
VDD
V
Vin(L)
Input Voltage
All Inputs
0
0.8
V
Iin
Input Current (Note 1)
0 < Vin < 5V
-150
+10
A
Idis
Disable Pin Input Current
-10
+150
A
Vref1/ref2 Reference Voltage
operating
0
(**)
V
Iref
Vref Terminal Input Current
Vref = 1.25
-2
5
A
FI =
Vref/Vsense
PWM Loop Transfer Ratio
2
VFS
DAC Full Scale Precision
Vref = 2.5V I0/I1/I2/I3 = L
1.23
1.34
V
Voffset
Current Loop Offset
Vref = 2.5V I0/I1/I2/I3 = H
-30
+30
mV
Vref = 2V I0/I1/I2/I3 = H;
Tj = -40 to 125°C
-60
+60
mV
DAC Factor Ratio
Normalized @ Full scale Value
-2
+2
%
SENSE AMPLIFIER
Vcm
lnput Common Mode Voltage
Range
-0.7
VS+0.7
V
Iinp
Input Bias
sense1/sense2
-200
0
A
ERROR AMPLIFIER
GV
Open Loop Voltage Gain
70
dB
SR
Output Slew Rate
Open Loop
0.2
V/
s
GBW
Gain Bandwidth Product
400
kHz
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