L6258

Manufacturer Part NumberL6258
ManufacturerSTMicroelectronics
L6258 datasheet
 


Specifications of L6258

Operating Current15mAMotor Controller TypePWM Motor Controller
Package TypePowerSOOperating Supply Voltage (min)12V
Operating Supply Voltage (typ)34VOperating Supply Voltage (max)5.25V
Lead Free Status / Rohs StatusNot Compliant  
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L6258
Table 4.
Electrical characteristics (continued)
(V
S
Parameter
ΔT
Shut down hysteresis
SD-H
T
Thermal shutdown
SD
Triangular oscillator
f
osc
frequency
TRANSISTORS
I
Leakage current
DSS
R
On resistance
ds(on)
V
Flywheel diode voltage
f
CONTROL LOGIC
V
lnput voltage
in(H)
V
Input voltage
in(L)
I
Input current
in
I
Disable pin input current
dis
V
/
Reference voltage
ref1
ref2
I
V
ref
ref
FI =
PWM loop transfer ratio
V
/V
ref
sense
V
DAC full scale precision
FS
V
Current loop offset
offset
DAC factor ratio
SENSE AMPLIFIER
lnput common mode
V
cm
voltage range
I
Input bias
inp
ERROR AMPLIFIER
G
Open loop voltage gain
V
SR
Output slew rate
GBW
Gain bandwidth product
1. Chopping frequency is twice fosc value.
2. This is true for all the logic inputs except the disable input.
= 40V; V
= 5V; T
= 25°; unless otherwise specified.)
DD
j
Description
Test condition
C
= 1nF
(1)
FREF
OFF State
ON state
If =1.0A
All Inputs
All inputs
(2)
0 < V
< 5V
in
Operating
terminal input current V
= 1.25
ref
V
= 2.5V I
ref
V
= 2.5V I
ref
Normalized @ full scale
value
sense1/sense2
Open loop
Block diagram
Min.
Typ.
25
150
12.5
15
0.6
1
2
0
-150
-10
0
-2
1.94
/I
/I
/I
= L
1.23
1.29
0
1
2
3
/I
/I
/I
= H
-30
0
1
2
3
-2
-0.7
V
-200
70
0.2
400
Max.
Unit
°C
°C
18.5
KHz
500
µA
0.75
W
1.4
V
V
V
DD
0.8
V
+10
µA
+150
µA
2.5
V
5
µA
1.34
V
+30
mV
+2
%
+0.7
V
S
0
µA
dB
V/µs
kHz
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