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RY3740 Series
2.5V-5.5VIN, 40VOUT, 1.2MHz Boost Regulator
Features
• 2.5V to 5.5V Input Voltage • Up to 40V Output Voltage • 1.2MHz Fixed Switching Frequency • 0.1/0.2/0.25/0.3/0.6V Feedback Voltage • Internal 1.6A Switch Current Limit • Support Analog and PWM Dimming Mode
• Internal 40V Over Voltage Protection • Internal Compensation • Thermal Shutdown • Driving Up to 10 White LEDS • Dimming with wide Frequency Range • Available in SOT23-5, DFN2×2-6 package
Applications
• Camera Flash White LED • Digital still cameras
• PDA LED back light • LCD Bias Supply
General Description
The RY3740 series is a step-up converter designed for driving up to 10 white LEDs or up to 40V output voltage from a single cell Lithium Ion battery.