Non-Synchronous PWM Boost Controller for LED Driver

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Constant Current Switching Regulator for White LED

The FP7202 is a Boost DC-DC converter specifically designed to drive white LEDs with constant current. The device can support 2 to 7 white LEDs for backlighting and camera flashing. This high efficient regulator and internal compensation network minimizes as 5 external component counts. Optimized op • Precision Feedback Reference Voltage: 0.25V (4%)\r\n• Under Voltage Lockout Protection\r\n• Over Voltage Protection\r\n• Over Temperature Protection\r\n• Wide Frequency Range and Dimming with Zero-Inrush Current\r\n• Internal Soft-Start\r\n• Adjustable Output up to 26V\r\n• Package: TSOT23-6L;

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boost topology switching regulator for LED driver

   The FP7208 is boost topology switching regulator for LED driver. It provides built-in gate driver pin for driving external N-MOSFET. The non-inverting input of error amplifier connects to a 0.2V reference voltage. It has programmable soft start time set by external capacitor, and over voltage pro ˙Start-up Voltage: 2.5V \n˙Wide Supply Voltage Operating Range: 4.5V to 24V\n˙Precision Feedback Reference Voltage: 0.2V (Max.)\n˙Analog and Digital Dimming Control\n˙Shutdown Current: 6μA (Max.)\n˙Internal Fixed Switching Frequency: 300KHz\n˙Programmable Soft Start Function (SS)\n˙Programmable Over;

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远翔科技

Constant Current Switching Regulator for White LED

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