HIGH VOLTAGE HALF BRIDGE DRIVER
L6569 L6569A
HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
s HIGH VOLTAGE RAIL UP TO 600V s BCD OFF LINE TECHNOLOGY s...
Description
L6569 L6569A
HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
s HIGH VOLTAGE RAIL UP TO 600V s BCD OFF LINE TECHNOLOGY s INTERNAL BOOTSTRAP DIODE
STRUCTURE s 15.6V ZENER CLAMP ON VS s DRIVER CURRENT CAPABILITY:
- SINK CURRENT = 270mA - SOURCE CURRENT = 170mA s VERY LOW START UP CURRENT: 150µA s UNDER VOLTAGE LOCKOUT WITH HYSTERESIS s PROGRAMMABLE OSCILLATOR FREQUENCY s DEAD TIME 1.25µs s dV/dt IMMUNITY UP TO ±50V/ns s ESD PROTECTION
DESCRIPTION The device is a high voltage half bridge driver with built in oscillator. The frequency of the oscillator can
BLOCK DIAGRAM
Minidip
SO8
ORDERING NUMBERS:
L6569
L6569D
L6569A
L6569AD
be programmed using external resistor and capacitor. The internal circuitry of the device allows it to be driven also by external logic signal.
The output drivers are designed to drive external nchannel power MOSFET and IGBT. The internal logic assures a dead time [typ. 1.25µs] to avoid crossconduction of the power devices.
Two version are available: L656...
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