L6258 STMicroelectronics, L6258 Datasheet - Page 9

• Manufacturer Part Number: L6258
• Manufacturer: STMicroelectronics

Specifications of L6258

• Operating Current: 15mA
• Motor Controller Type: PWM Motor Controller
• Package Type: PowerSO
• Operating Supply Voltage (min): 12V
• Operating Supply Voltage (typ): 34V
• Operating Supply Voltage (max): 5.25V
• Lead Free Status / Rohs Status: Not Compliant

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