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L6571AD fiches techniques PDF

STMicroelectronics - HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR

Numéro de référence L6571AD
Description HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L6571AD fiche technique
L6571A
® L6571B
HIGH VOLTAGE HALF BRIDGE
DRIVER WITH OSCILLATOR
TECHNOLOGY: BCD ”OFF-LINE”
FLOATING SUPPLY VOLTAGE UP TO 600V
GND REFERRED SUPPLY VOLTAGE UP TO
18V
DRIVER CURRENT CAPABILITY:
- SINK CURRENT = 270mA
- SOURCE CURRENT = 170mA
VERY LOW START UP CURRENT: 150µA
VERY LOW OPERATING CURRENT: <2mA
UNDERVOLTAGE LOCKOUT
PROGRAMMABLE OSCILLATOR
FREQUENCY
dV/dt IMMUNITY UP TO ± 50V/ns
DESCRIPTION
The device is a high voltage half bridge driver
with built-in oscillator. The frequency of the oscil-
lator can be programmed using external resistor
BLOCK DIAGRAM
Minidip
SO8
ORDERING NUMBERS:
L6571A
L6571B
L6571AD
L6571BD
and capacitor.
The output drivers are designed to drive external
n-channel power MOSFET and IGBT. The inter-
nal logic assures a minimum dead time to avoid
cross-conduction of the power devices.
CVS
VS
RHV
BOOT
H.V.
RF
RF CF
CF
GND
June 2000
BIAS
REGULATOR
LEVEL
SHIFTER
VS
HVG
HIGH
SIDE
DRIVER
BUFFER
OUT
COMP
COMP
LOGIC
VS
LOW SIDE
DRIVER
LVG
CBOOT
LOAD
D96IN433
1/7

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