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L6758ATR датащи(PDF) 12 Page - STMicroelectronics

номер детали L6758ATR
подробное описание детали  DPM - dynamic phase management
PDF  42 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6758ATR датащи(HTML) 12 Page - STMicroelectronics

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Electrical specifications
L6758A
12/42
DocID023298 Rev 2
3
Electrical specifications
3.1
Absolute maximum ratings
3.2
Electrical characteristics
Table 4. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC12, GDC
to GND
-0.3 to 14
V
VCC, STM, TM, SPWM, PWMx,
SIMAX/IMAX, BOOT/ADDR, SENDRV,
ENDRV,
to GND
-0.3 to 7
V
All other pins
to GND
-0.3 to 3.6
V
Table 5. Electrical characteristics (VCC = 5 V ± 5%, TJ = 0 °C to 70 °C unless otherwise specified)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Supply current and power-on
I
CC
VCC supply current
EN = high
22
mA
EN = low
15
mA
UVLO
VCC5
VCC turn-ON
VCC rising
4.1
V
VCC turn-OFF
VCC falling
3.0
V
UVLO
VCC12
VCC12 turn-ON
VCC12 rising
6.5
V
VCC12 turn-OFF
VCC12 falling
4.5
V
Oscillator, soft-start and enable
F
SW
Main oscillator accuracy
180
200
220
kHz
Oscillator adjustability
R
OSC
= 30 k
Ω to GND
450
500
550
kHz
F
SSW
Main oscillator accuracy
207
230
253
kHz
Oscillator adjustability
R
SOSC
= 30 k
Ω to GND
493
580
667
kHz
ΔV
OSC
PWM ramp amplitude
1.5
V
FAULT
Voltage at pin SOSC
After any latch
3.0
V
Voltage at pin OSC
After OVP latch
3.0
V
SOFT
START
SS time
VBOOT > 0, from pinstrapping;
multi-phase section
456
mV/
μs
VBOOT > 0, from pinstrapping;
single-phase section
22.5
3
mV/
μs



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