NCP5008_06 ONSEMI [ON Semiconductor], NCP5008_06 Datasheet
NCP5008_06
Related parts for NCP5008_06
NCP5008_06 Summary of contents
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NCP5008, NCP5009 Backlight LED Boost Driver The NCP5008/NCP5009 is a high efficiency boost converter operating in current loop control mode to drive Light Emitting Diode. The current mode regulation allows a uniform brightness of the LEDs. Features • 2.7 to ...
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BACK LIGHT WHITE LED CURRENT DRIVE CONTROLLER BandGap VBIAS 4 CLK bat V bat Q2 POR LOCAL ref PHOTO 2 (See Note) V bat + − GND NOTE: This functionality is NOT implemented ...
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PIN FUNCTION DESCRIPTION Pin Symbol Type 1 I INPUT This pin provides the output current range adjustment by means of a resistor connected to ref ground. The current output tolerance depends upon the accuracy of this resistor. Using a "1% ...
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Table 1. Shift Register Bits Assignment and Functions SetReg shift register (Note: The register content is latched upon CS positive going Value After POR 0 Iout Peak (mA) I *k*7.5 ref LOCAL CLOCK ...
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POWER SUPPLY SECTION (−25°C to +85°C ambient temperature, unless otherwise noted.) Rating Power Supply Power Supply Threshold Startup Voltage Output Load Voltage Compliance Pulsed Current Regulation Range Continuous DC Current in the Load = 3 mH/0.71 ...
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TYPICAL OPERATING CHARACTERISTICS Condition: Typical Application mH, Cin = 10 mF, Cout = 2.2 mF 3.0 V bat ...
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TYPICAL OPERATING CHARACTERISTICS Condition: Typical Application mH, Cin = 10 mF, Cout = 2.2 mF ...
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TYPICAL OPERATING CHARACTERISTICS Condition: Typical Application mH, Cin = 10 mF, Cout = 2.2 mF (mA) LED Figure 15. Efficiency ...
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Remote Control Programming Sequence CS CLEAR CLK Qdata Output Current Programmed Register I out ref Internal Latch Data and Reset Iout Upon CS transition from High to Low, the internal sequence will take ...
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Set Up Output Current Range V bat 1 V bat + − GND I ref V bat R ref 30 k GND 1 V bat + − GND Photo Q1 NPN−PHOTO GND The current sunk to ground on PHOTO pin ...
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DC/DC Converter Operation The DC/DC converter operates with a boost structure depicted in Figure 21, the load being supplied by the pulsed current coming from the external inductor L1. The current V bat + I peak_ref U2 − V bat ...
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Output Load Drive In order to make profit of the built−in Boost capabilities, one shall operate the NCP5008/NCP5009 in the continuous output current mode. Such a mode is achieved by using and external reservoir capacitor (preferably a low ESR ceramic ...
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NCP5008, NCP5009 ref PHOTO GND Vcc Q1 V bat NPN−PHOTO GND 4 4 VBIAS CLK NCP5009 GND Figure 23. Typical Semi−Pulsed Mode of Operation in REMOTE Mode ...
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NCP5008, NCP5009 DAC ref PHOTO Q1 V bat NPN−PHOTO GND 4 4 VBIAS OFF CLK NCP5009 D1 LED GND Figure 25. DAC Current Control Mode Operation in LOCAL Mode ...
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Load+ 6.7 V GND 60 mA Load+ D1 LED 6 LED Example 2 GND Figure 27. Three different examples of load can be driven by the NCP5009 or NCP5008 MANUFACTURER REFERENCE Design Ref Value/Reference or Size ...
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LAYOUT EXAMPLE The Figure 28 represents the typical printed circuit layout based on the basic application Figure 1. This application has been routed on a single copper layer to save cost. A dual side PCB has better noise protection and ...
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K PIN 0.038 (0.0015) −T− SEATING H PLANE *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks ...