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L6258EP Scheda tecnica(PDF) 8 Page - STMicroelectronics

Il numero della parte L6258EP
Spiegazioni elettronici  PWM controlled high current DMOS universal motor driver
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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L6258EP
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Table 4.
Electrical characteristics
(VS = 40V; VDD = 5V; Tj = 25°; unless otherwise specified.)
Parameter
Description
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
ΔTSD-H
Shut down hysteresis
25
°C
TSD
Thermal shutdown
150
°C
fosc
Triangular oscillator
frequency(1)
CFREF = 1nF
12.5
15
18.5
KHz
TRANSISTORS
IDSS
Leakage current
OFF State
500
μA
Rds(on)
On resistance
ON state
0.6
0.75
W
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 (2)
0 < Vin < 5V
-150
+10
μA
Idis
Disable pin input
current
-10
+150
μA
Vref1/ref2
Reference voltage
Operating
0
2.5
V
Iref
Vref terminal input
current
Vref = 1.25
-2
5
μA
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
-40
+40
mV
DAC factor ratio
Normalized @ full scale
value
-2
+2
%
SENSE AMPLIFIER
Vcm
lnput common mode
voltage range
-0.7
VS+0.7
V


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