L6258E 데이터 시트보기 (PDF) - STMicroelectronics
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L6258E Datasheet PDF : 20 Pages
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L6258E
ELECTRICAL CHARACTERISTICS(VS = 40V; VCC = 5V; Tj = 25°; unless otherwise specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max.
VS Supply Voltage
12
40
VCC Logic Supply Voltage
4.75
5.25
VBOOT Storage Voltage
VS = 12 to 40V
VS+6
VS+12
VSense Max Drop Across Sense Resistor
1.25
VS(off) Power off Reset
Off Threshold
6
7.2
VCC(off) Power off Reset
Off Threshold
3.3
4.1
IS(on) VS Quiescent Current
Both bridges ON, No Load
15
IS(off) VS Quiescent Current
Both bridges OFF
7
ICC VCC Operative Current
15
TSD Shut Down Temperature
145
∆TSD-H Shut Down Hysteresis
25
TJ Thermal Shutdown
150
fosc Triangular Oscillator Frequency (*) CFREF = 1nF
12.5
15
17.5
TRANSISTORS
IDSS Leakage Current
Rds(on) On Resistance
OFF State
ON State
500
0.6 0.75
Vf
Flywheel diode Voltage
If =1.0A
1
1.4
CONTROL LOGIC
Vin(H) lnput Voltage
All Inputs
2
VCC
Vin(L) Input Voltage
All Inputs
0
0.8
Iin
Input Current (Note 1)
0 < Vin < 5V
-150
+10
Idis Disable Pin Input Current
-10
+150
Vref1/ref2 Reference Voltage
operating
0
2.5
Iref Vref Terminal Input Current
Vref = 1.25
-2
5
FI = PWM Loop Transfer Ratio
2
Vref/Vsense
VFS DAC Full Scale Precision
Vref = 2.5V I0/I1/I2/I3 = L
1.23
1.34
Voffset Current Loop Offset
Vref = 2.5V I0/I1/I2/I3 = H
-30
+30
DAC Factor Ratio
Normalized @ Full scale Value
-2
+2
SENSE AMPLIFIER
Vcm lnput Common Mode Voltage
Range
-0.7
VS+0.7
Iinp Input Bias
sense1/sense2
-200
0
ERROR AMPLIFIER
GV Open Loop Voltage Gain
70
SR Output Slew Rate
Open Loop
0.2
GBW Gain Bandwidth Product
400
Note 1: This is true for all the logic inputs except the disable input.
(*) Chopping frequency is twice fosc value.
Unit
V
V
V
V
V
V
mA
mA
mA
°C
°C
°C
KHz
µA
Ω
V
V
V
µA
µA
V
µA
V
mV
%
V
µA
dB
V/µs
kHz
5/20
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