NCP5608EVB ON Semiconductor, NCP5608EVB Datasheet
NCP5608EVB
Specifications of NCP5608EVB
Related parts for NCP5608EVB
NCP5608EVB Summary of contents
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... High Power Photo Flash • Multiple Displays *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2006 June, 2006 − Rev. 1 http://onsemi.com 24 PIN TQFN (4x4) ...
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CC C6 GND 4.7 mF/ 5.6 k 5.6 k MCU 5 4 IREFBK 3 IREFFL 2 GND 7 GND GND NCP5608 Vbat C3 ...
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C1 16 PVbat 19 24 AVbat BKL−A ANALOG 3 IREFBK CONTROL 2 PWFL−A IREFFL 1 AGND GND Vbat 6 CCMP 5 SCL DIGITAL CONTROL 4 SDA THERMAL SHUTDOWN Figure 2. NCP5608 Block Diagram NCP5608 ...
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PIN FUNCTION DESCRIPTION Pin Symbol Type 1 AGND GROUND 2 IREFFL OUTPUT, ANALOG 3 IREFBK OUTPUT, ANALOG 4 SDA INPUT, DIGITAL 5 SCL INPUT, DIGITAL 6 CCMP ANALOG, INPUT 7 LED1 INPUT, POWER 8 LED2 INPUT, POWER 9 LED3 INPUT, ...
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MAXIMUM RATINGS Rating Power Supply Digital Input Voltage Digital Input Current ESD Capability (Note 4) Human Body Model (HBM) Machine Model (MM) QFN24 Package Power Dissipation @ T = +85°C (Note 5) A Thermal Resistance, Junction−to−Air (according to JEDEC/EIA JESD51−12) ...
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POWER SUPPLY SECTION (Typical values are referenced to T temperature, unless otherwise noted.) Pin Symbol 19 Power Supply bat, AV bat 18 I Continuous DC Current in the Load @ V out 18 Isch Continuous Output Short Circuit ...
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DC−DC OPERATION The converter is based on a charge pump technique to generate a DC voltage capable to supply the white LED load. The system regulates the current flowing into each LED by means of internal current mirrors associated with ...
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LOAD CURRENT CALCULATION The load current is derived from the 600 mV reference voltage provided by the internal band gap associated to the external resistor connected across the I pins and GND (see Figure 4). In any case, no voltage ...
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In order to improve the efficiency of the back light block when three LED only are used, one can disconnect the Table 1. Programming Table Byte Byte # Byte # ...
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OUTPUT LED PROGRAMMING SEQUENCE Once the maximum output current has been set up by the external resistor (see Load Current Calculation paragraph above), the I2C protocol can be used to dynamically adjust the brightness of the selected block. At this ...
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The three bytes, defined to program the chip, must be sent during the same transaction as depicted in Figure 6 and Figure 7. Leaving aside the ACK signal, the NCP5608 does not provide any digital feedback. The selected PWRLED−BK or ...
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TYPICAL OPERATING CHARACTERISTICS out out 100 mA out 4.4 4.2 4.0 3.8 3.6 Vbat (V) Figure 8. Back Light Efficiency ...
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Vbat = 4 25°C 0 −2 −4 − 100 150 200 250 300 Iout (mA) Figure 12. Power Flash Output Current Tolerance (LED5 to LED8 GND 4.7 mF/ ...
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Table 4. Recommended Passive Parts Part Ceramic Cap. 1 μF/16 V TDK Ceramic Cap. 4.7 μF/6.3 V TDK Ceramic Cap. 10 μF/6.3 V TDK C5 GND 4.7 mF Vout LED1 LED2 LED3 LED4 LED5 LED6 LED7 LED8 GND GND Figure ...
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GND +C1 PWR 220 mF/10 V GND VCC SCL SDA 10 9 IREFFL DIGITAL PORT IREFBK GND Z1 GND GND ABBREVIATIONS FB FeedBack POR Power On Reset: internal ...
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... A B 0.05 C NOTE 3 N. American Technical Support: 800−282−9855 Toll Free USA/Canada Japan: ON Semiconductor, Japan Customer Focus Center 2−9−1 Kamimeguro, Meguro−ku, Tokyo, Japan 153−0051 Phone: 81−3−5773−3850 http://onsemi.com 16 NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. ...