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L6569 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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L6569 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 13 page 1/13 L6569 L6569A June 2000 This is preliminary information on a new product now in development. Details are subject to change without notice. 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: 150 µA s UNDER VOLTAGE LOCKOUT WITH HYSTERESIS s PROGRAMMABLE OSCILLATOR FREQUENCY s DEAD TIME 1.25 µs 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 be programmed using external resistor and capaci- tor. The internal circuitry of the device allows it to be driven also by external logic signal. The output drivers are designed to drive external n- channel power MOSFET and IGBT. The internal log- ic assures a dead time [typ. 1.25 µs] to avoid cross- conduction of the power devices. Two version are available: L6569 and L6569A. They differ in the low voltage gate driver start up sequence. Minidip SO8 ORDERING NUMBERS: L6569 L6569D L6569A L6569AD HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR BLOCK DIAGRAM RF CF LOGIC BIAS REGULATOR COMP COMP LEVEL SHIFTER BUFFER RF CF GND HIGH SIDE DRIVER LOW SIDE DRIVER HVG LVG OUT BOOT VS RHV CVS CBOOT H.V. LOAD D94IN058D CHARGE PUMP Source 18 7 6 5 4 3 2 VS VS |
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Descrizione simile - L6569 |
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