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9V 12V推挽式变压器驱动器ZCC6602 [复制链接]

9V 12V推挽式变压器驱动器ZCC6602

DESCRIPTION

The ZCC6602 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 2.5 V

to 12V DC power supply. The secondary can be wound to provide any isolated voltage based on transformer

turns ratio.

The ZCC6602 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 ZCC6602 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 2.5 V To 12 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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