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LR8304 Datasheet(PDF) 1 Page - Leshan Radio Company |
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LR8304 Datasheet(HTML) 1 Page - Leshan Radio Company |
1 / 13 page INTRODUCTION: FEATURES: The is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The device is ideal to generate output voltages up to 28V from a dual cell NiMH/NiCd or a single cell Li-ion battery. The part can also be used to generate standard 3.3V/5V to 12V power conversions. The operates with a switching frequency up to 1MHz. This allows the use of small external components using ceramic as well as tantalum output capacitors. Together with the small package, the gives a very small overall solution size. The has an internal 400mA switch current limit, offering low output voltage ripple and allows the use of a small form factor inductor for low power applications. The low quiescent current (20 A TYP) together with an optimized control scheme, allows device operation at very high efficiencies over the entire load current range. The is available in DFN2×2-6, SOT23-6 SOT23-5 packages. It operates over an ambient temperature range of -40 to +85 . Input Voltage Range: 2.0V to 5.5V Adjustable Output Voltage Range up to 28V 400mA Internal Switch Current Up to 1MHz Switching Frequency 20 A Typical No Load Quiescent Current 0.1 A Typical Shutdown Current Internal Soft-Start Function -40 to +85 Operating Temperature Range Available in Green DFN2×2-6, SOT23-6 and SOT23-5 Packages APPLICATIONS LCD Bias Supply White-LED Supply for LCD Backlights Digital Still Camera PDAs, Organizers, and Handheld PCs Cellular Phones Internet Audio Player Standard 3.3V/5V to 12V Conversion Low Power DC-DC Step-Up Converter Series ORDERING INFORMATION DESIGNATOR SYMBOL DESCRIPTION A Standard E Package:SOT23-6 FB6 Package:DFN2X2-6 M Package:SOT23-5 LESHAN RADIO COMPANY, LTD. |
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Similar Description - LR8304 |
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