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TC6501P0115VCT Datasheet(PDF) 5 Page - Microchip Technology |
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TC6501P0115VCT Datasheet(HTML) 5 Page - Microchip Technology |
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5 / 20 page  www.microchip.com/lighting LED Lighting Solutions Design Guide 5 LED Lighting Solutions MCP1650 Multiple White LED Demonstration Board (MCP1650DM-LED2) The MCP1650 Multiple White LED Demo Board uses the MCP1650 IC to power the nine white LEDs which are connected in series. A PIC10F202 microcontroller in a SOT-23 6-pin package is used to provide the PWM signal to the MCP1650. It also accepts a push button input that allows the user to adjust the white LEDs to three different intensities of 100%, 50% and 25%. Literature on the Web ■ MCP1640/B/C/D Data Sheet, DS22234 ■ MCP1650/51/52/53 Data Sheet, DS21876 ■ MCP1650 Multiple White LED Demo Board User’s Guide, DS51586 ■ AN948 – Efficiently Powering Nine White LEDs Using the MCP1650, DS00948 ■ AN980 – Designing a Boost-Switching Regulator with the MCP1650, DS00980 ■ DG10 – Power Solutions Design Guide, DS21913 9 LEDs 33V/15 mA OFF ON VBAT + - VIN FB GND NC EXT NC CS SHDN MCP1650 Battery Operated Boost LED Driver Example Using the MCP1650 Driving LEDs with a SEPIC Regulator The Single-Ended Primary Inductance Converter (SEPIC) regulator topology uses an additional inductor, but provides the following advantages for battery powered applications: ■ The converter can buck or boost as the input voltage changes. ■ The circuit topology provides inherent short-circuit protection due to the use of a coupling capacitor. MCP1650 3W White LED Demonstration Board (MCP1650DM-LED1) Demonstrates the MCP165X Boost Controller product family in a battery-powered white LED application with an input voltage range of 2.0V to 4.5V. Literature on the Web ■ MCP1650 3W White LED Demo Board User’s Guide, DS51513 4.5-2.0V 3W LED VBAT + - VIN LBO GND FB EXT LBI CS SHDN MCP1651 OFF ON VBAT VBAT Low Battery Warning Battery Input to 3.6V 3W LED Driver (SEPIC Converter) |
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