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L6722 датащи(PDF) 11 Page - STMicroelectronics

номер детали L6722
подробное описание детали  3 Phase controller for DC/DC converters
PDF  34 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6722 датащи(HTML) 11 Page - STMicroelectronics

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L6722
3 Electrical specifications
11/34
3
Electrical specifications
3.1
Absolute maximum ratings
3.2
Electrical characteristics
Table 3.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC
to PGND
15
V
VBOOTx - VPHASEx
Boot Voltage
15
V
VUGATEx - VPHASEx
15
V
LGATEx, PHASEx, to PGNDx
-0.3 to VCC + 0.3
V
All other Pins to PGNDx
-0.3 to 7
V
VPHASEx
Positive Peak Voltage; T<20ns @ 600kHz
26
V
Negative Peak Voltage
TBD
V
Table 4.
Electrical characteristics
(VCC = 12V±15%, TJ = 0°C to 70°C unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Supply current and power-on
ICC
VCC Supply current
HGATEx and LGATEx = OPEN
BOOTx = 12V
17
mA
IBOOTx
BOOTx Supply Current
HGATEx = OPEN; PHASEx to
PGNDx; BOOTx = 12V
0.7
mA
UVLOVCC
VCC Turn-ON
VCC Rising
9.2
V
VCC Turn-OFF
VCC Falling
7
V
UVLOOVP
Pre-OVP Turn-ON
VCC Rising
3.8
V
Pre-OVP Turn-OFF
VCC Falling
3
V
Oscillator and inhibit
FSW
Main Oscillator Accuracy
OSC = OPEN
OSC = OPEN; TJ = 0°C to 125°C
90
110
kHz
INHIL
Disable Thresholds
0.5
V
dMAX
Maximum Duty Cycle
OSC = OPEN; IISENx = 0µA
80
%
OSC = OPEN; IISENx = 35µA
40
%
∆VOSC
PWMx Ramp Amplitude
3
V
FLT
Voltage at Pin OSC
OVP Active
5
V



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