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EL7513IWTZ-T7 Datasheet(PDF) 4 Page - Intersil Corporation |
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EL7513IWTZ-T7 Datasheet(HTML) 4 Page - Intersil Corporation |
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4 / 12 page  4 Block Diagram REFERENCE GENERATOR 1MHz OSCILLATOR THERMAL SHUTDOWN BOOST I-SENSE START-UP CONTROL + + - + + PWM SIGNAL COUT 1µF I(LED) OVER-VOLTAGE PROTECTION ERROR AMP CNTL COMP VIN CIN 4.7µF CCOMP 0.1µF SGND CS PGND LX VOUT L 33µH 2.6V TO 5.5V 5 Ω VCNTL PWM LOGIC 617K 50K Typical Performance Curves All performance curves and waveforms are taken with C1 = 4.7µF, C2 = 1µF, C3 = 0.1µF, L = 33µF, VIN = 3.3V, VCNTL = 1V, R1 =5Ω, 4 LEDs in a series; unless otherwise specified. FIGURE 1. SWITCHING FREQUENCY vs VIN FIGURE 2. QUIESCENT CURRENT 1.05 1.04 1.02 1.01 1 2.5 3.5 4.5 VIN (V) 1.03 5.5 345 3.5 2 1 0 2.5 6.5 10.5 VIN (V) 3 14.5 4.5 8.5 12.5 2.5 1.5 0.5 VCNTL=0V, 0.1V WHITE LEDs DISCONNECTED EL7513 |
Similar Part No. - EL7513IWTZ-T7 |
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Similar Description - EL7513IWTZ-T7 |
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