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Product Name:

QX1510

The main parameters:

Internal leading-edge blanking circuit and synchronous slope compensation circuit

Current mode operation

Jitter frequency and burst mode function

Externally programmable PWM switch frequency

OLP (overload protection)

Internal VDD clamp protection

UVLO (under voltage lock-out protection)

Gate drive voltage output (clamp): 18.8V

Low inrush current: 3uA

Low operating current: 1.35mA

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QX1510 is a highly integrated, high-performing current mode PWM controller chip.

During regular load, PWM switch frequency can be adjusted externally; during underloading or no load, QX1510 offers pulse mode function. It has a low inrush and operating current, which is beneficial to the starting circuit design. Using a large starting resistor lowers standby power dissipation and increases conversion efficiency. The internal synchronous slope compensation circuit improve large-signal reliability. The feedback input contains internal leading-edge blanking circuit that effectively eliminates  the peak from the feedback signal, lowering the number of external elements needed in the SMPS (switching-mode power supply) system, which also lowers the overall cost. QX1510 uses jitter frequency and soft-switching controller technology, improving the EMI performance of the SMPS.

QX1510 offers various protection modes including OCP (overcurrent protection), OLP (overload protection), VDD clamp protection, UVLO (under voltage lock-out protection) and gate drive voltage output (clamp).

QX1510 uses SOP8, SOT-23-6 or DIP8 packaging.

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