Features: ·Internal high voltage (100V) start-up regulator·Single resistor oscillator setting· Synchronizable· Precision reference output· Adjustable soft-start· Over-current protection· Direct optocoupler interface· 1.5A peak gate drivers·Thermal ShutdownSpecificationsVIN to GND ....................
LM5033: Features: ·Internal high voltage (100V) start-up regulator·Single resistor oscillator setting· Synchronizable· Precision reference output· Adjustable soft-start· Over-current protection· Direct opto...
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Switching Converters, Regulators & Controllers High Vltg Switch Mode Reg
·Internal high voltage (100V) start-up regulator
·Single resistor oscillator setting
· Synchronizable
· Precision reference output
· Adjustable soft-start
· Over-current protection
· Direct optocoupler interface
· 1.5A peak gate drivers
·Thermal Shutdown
VIN to GND ........................................................................-0.3V to 100V
VCC to GND .........................................................................-0.3V to 16V
Rt/Sync to GND ...................................................................-0.3V to 5.5V
Pins 3, 8, 10 to GND ...........................................................-0.3V to 7.0V
ESD Rating (Note 3)
Human Body Model ...........................................................................2kV
Storage Temperature Range .......................................-65°C to 150°C
Junction Temperature ..................................................................150°C
Power Dissipation (Note 2) ..........................................Internally Limited
The LM5033 High Voltage PWM controller contains all the features needed to implement Push-Pull, Half-Bridge, and Full-Bridge topologies. Applications include closed loop voltage mode converters with a highly regulated output voltage, or an open loop "DC transformer" such as an Intermediate Bus Converter (IBC) with an efficiency >95%.
The small 10 pin LLP-10 package with exposed pad provides for efficient thermal management. Two alternating gate driver outputs with a guaranteed deadtime are provided. The LM5033 includes a start-up regulator that operates over a wide input range of 15V to 100V. Additional features include: precision voltage reference output, current limit detection, remote shutdown, softstart, sync capability and thermal shutdown.
This high speed IC has total propagation delays less than 100 ns and a 1MHz capable oscillator.