E-L6569D013TR, L6569, L6569A, L6569AD, L6569AD013TR, L6569D, L6569D013TR

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L6569 L6569A
HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
s s s s s

HIGH VOLTAGE RAIL UP TO 600V BCD OFF LINE TECHNOLOGY INTERNAL BOOTSTRAP DIODE STRUCTURE 15.6V ZENER CLAMP ON VS DRIVER CURRENT CAPABILITY: - SINK CURRENT = 270mA - SOURCE CURRENT = 170mA VERY LOW START UP CURRENT: 150uA UNDER VOLTAGE LOCKOUT WITH HYSTERESIS PROGRAMMABLE OSCILLATOR FREQUENCY DEAD TIME 1.25us dV/dt IMMUNITY UP TO 50V/ns ESD PROTECTION
Minidip SO8

s s s s s s

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. 1.25us] to avoid crossconduction of the power devices. Two version are available: L6569 and L6569A. They differ in the low voltage gate driver start up sequence.

DESCRIPTION The device is a high voltage half bridge driver with built in oscillator. The frequency of the oscillator can BLOCK DIAGRAM

H.V. CVS 1 Source CHARGE PUMP BIAS REGULATOR VS RF RF CF
COMP

VS

RHV

BOOT 8

LEVEL SHIFTER

7

HVG

CBOOT

2

BUFFER

HIGH SIDE DRIVER 6 OUT LOAD

CF

3

COMP

VS LOGIC LOW SIDE DRIVER 5
D94IN058D

LVG

GND

4

June 2000
This is preliminary information on a new product now in development. Details are subject to change without notice.

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E-L6569D013TR DATASHEET