EL7630ICZ INTERSIL [Intersil Corporation], EL7630ICZ Datasheet
EL7630ICZ
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EL7630ICZ Summary of contents
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... Handheld devices Ordering Information VIN PART NUMBER (See Note) EL7630ICZ ENAB EL7630ICZ-T7 EL7630ICZ-T7A EL7630IWTZ VIN EL7630IWTZ-T7 EL7630IWTZ-T7A ENAB NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...
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Absolute Maximum Ratings (T A Input Voltage ( -0.3V to ...
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Typical Application L1 22µ VDD LX 2.7V~5.5V C1 EL7630 1µF ENAB FB OFF/ON GND R 4.75 FIGURE 1. TYPICAL APPLICATION CIRCUIT AND EFFICIENCY vs LED CURRENT Typical Performance Curves 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 ...
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Typical Performance Curves 1.34 1.32 1.3 1.28 1.26 1.24 1.22 1.2 -40 10 TEMPERATURE (°C) FIGURE 6. SWITCHING FREQUENCY vs TEMPERATURE Block Diagram Pin Functions LX (Pin 1) - Switching Pin. Connect to inductor and diode. GND (Pin 2) - ...
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LEDs in series or 15 LEDs in parallel/series configuration, with efficiencies of up 86%. EL7630 operates from an input voltage of 2.7V to 5.5V and can boost up to 27V. Steady-State Operation EL7630 operates with ...
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L1 22µ VDD LX LX 2.7V~5.5V C1 EL7630 1µF R1 ENAB FB GND OFF/ 4.75 FIGURE 10. ANALOG DIMMING CONTROL APPLICATION CIRCUIT For a required LED current I and chosen values of R LED and ...
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The efficiency bench test results are shown in Figure 12. In the test, the input voltage is 4V and and 6 LEDs are used as the load (boost inductor L = 22µH Sumida CDRH5D28R-220NC). 90 22µH,V ...