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适用于隔离式电源的变压器驱动器ZCC6601 替代SN6505

适用于隔离式电源的变压器驱动器ZCC6601 替代SN6505

DESCRIPTION

The ZCC6601 is a monolithic oscillator/power-driver, specifically designed for small form factor, isolated power supplies in isolated interface applications. It drives a low-profile, center-tapped transformer primary from a 3.3 Vor 5 V DC power supply. The secondary can be wound to provide any isolated voltage based on transformerturns ratio.

The ZCC6601 consists of an oscillator followed by a gate drive circuit that provides the complementary output signals to drive the ground referenced N-channel power switches. The internal logic ensures break-before-make action between the two switches.

The ZCC6601 is available in a small SOT23-5 package, and is specified for operation at temperatures from –40°C to 125°C.

 

FEATURES

Push-Pull Driver for Small Transformers Single 3.3 V or 5 V Supply High Primary-side Current Drive:

– 5 V Supply: 650 mA (max)

– 3.3 V Supply: 450 mA (max)

Low Ripple on Rectified Output Permits Small

Output Capacitors

Soft start and Current limit Thermal shutdown Small 5-pin SOT23 Package Short circuit protection Over temperature protection

 

APPLICATIONS

Isolated Interface Power Supply for CAN, RS-

485, RS-422, RS-232, SPI, I2C, Low-Power LAN

Industrial Automation Process Control Medical Equipment

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