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參數(shù)資料
| 型號： | L6258E |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER |
| 中文描述： | PWM控制-大電流DMOS的通用型電機(jī)驅(qū)動 |
| 文件頁數(shù)： | 5/24頁 |
| 文件大?。?/td> | 216K |
| 代理商： | L6258E |
5/24
L6258E
Table 4. Electrical Characteristics
(V
S
= 40V; V
DD
= 5V; T
j
= 25°; unless otherwise specified.)
Note 1: This is true for all the logic inputs except the disable input.
(*) Chopping frequency is twice fosc value.
Symbol
V
S
V
DD
V
BOOT
V
Sense
V
S(off)
V
DD(off)
I
S(on)
I
S(off)
I
DD
T
SD-H
T
SD
f
osc
TRANSISTORS
I
DSS
R
ds(on)
V
f
CONTROL LOGIC
V
in(H)
V
in(L)
I
in
I
dis
V
ref1
/
ref2
I
ref
FI =
V
ref
/V
sense
V
FS
V
offset
Parameter
Test Condition
Min.
12
Typ.
Max.
40
Unit
V
Supply Voltage
Logic Supply Voltage
Storage Voltage
4.75
V
S
+6
5.25
V
S
+12
1.25
V
V
V
S
= 12 to 40V
Max Drop Across Sense Resistor
V
Power off Reset
Power off Reset
Off Threshold
Off Threshold
6
7.2
4.1
V
V
3.3
VS Quiescent Current
Both bridges ON, No Load
15
mA
VS Quiescent Current
VDD Operative Current
Both bridges OFF
7
15
mA
mA
Shut Down Hysteresis
25
°C
Thermal shutdown
Triangular Oscillator Frequency
(*)
150
15
°C
KHz
C
FREF
= 1nF
12.5
18.5
Leakage Current
On Resistance
OFF State
ON State
500
0.75
μ
A
V
0.6
Flywheel diode Voltage
If =1.0A
1
1.4
lnput Voltage
All Inputs
2
V
DD
0.8
V
Input Voltage
All Inputs
0
V
μ
A
μ
A
V
μ
A
Input Current (Note 1)
Disable Pin Input Current
0 < V
in
< 5V
-150
-10
+10
+150
Reference Voltage
operating
0
2.5
V
ref
Terminal Input Current
PWM Loop Transfer Ratio
V
ref
= 1.25
-2
5
2
DAC Full Scale Precision
V
ref
= 2.5V I
0
/I
1
/I
2
/I
3
= L
V
ref
= 2.5V I
0
/I
1
/I
2
/I
3
= H
Normalized @ Full scale Value
1.23
1.34
V
Current Loop Offset
-30
+30
mV
DAC Factor Ratio
-2
+2
%
SENSE AMPLIFIER
V
cm
lnput Common Mode Voltage
Range
Input Bias
ERROR AMPLIFIER
G
V
Open Loop Voltage Gain
SR
Output Slew Rate
GBW
Gain Bandwidth Product
-0.7
V
S
+0.7
V
I
inp
sense1/sense2
-200
0
μ
A
70
dB
V/
μ
s
kHz
Open Loop
0.2
400
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