Low noise, 1A, 1MHz push-pull DC DC driver with duty cycle control function, LT3999
Time:2023-10-16
Views:527
The LT3999 includes two 1A current limiting power switches that perform out of phase switching operations. The output voltage can be adjusted by setting the duty cycle. The maximum switching frequency is set to 1MHz and can synchronize an external clock to achieve more accurate harmonic layout of the switching power supply. The input working range is set using precise undervoltage and overvoltage blocking function circuits. The power supply current decreases to 1 during shutdown μ Below A. A user-defined RC time constant provides an adjustable soft start capability by limiting the surge current during startup.
The LT3999 features a 10 pin MSOP package with exposed padding and a 3mm x 3mm DFN package.
application
●Low noise isolated power supply
● Medical instruments and safety
● Distributed power supply
● Multi output power supply
● Positive to negative power supply
● Noise resistance in data acquisition, RS232, and RS485
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