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データシートサーチシステム |
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W-6237TD-T データシート(PDF) 5 Page - Copal Electronics |
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W-6237TD-T データシート(HTML) 5 Page - Copal Electronics |
5 / 13 page ![]() W-6237 5 TYPICAL CHARACTERISTICS (VIN = 3.6 V, CIN = 4.7 F, COUT = 0.22 F, L = 33 H with 8 LEDs at 20 mA, TAMB = 25 C, unless otherwise specified.) Figure 4. Quiescent Current vs. VIN (Not Switching) Figure 5. Quiescent Current vs. VIN (Switching) ) V ( E G A T L O V T U P N I ) V ( E G A T L O V T U P N I 4.8 4.2 4.5 3.9 3.6 3.3 3.0 2.7 0 20 40 60 80 100 120 140 5.0 4.5 4.0 3.5 3.0 2.5 0 0.5 1.0 1.5 2.0 Figure 6. FB Pin Voltage vs. Supply Voltage Figure 7. FB Pin Voltage vs. Output Current ) A m ( T N E R R U C T U P T U O ) V ( E G A T L O V T U P N I 4.5 4.8 4.2 3.9 3.6 3.3 3.0 2.7 285 290 295 300 305 310 315 30 25 20 15 10 5 0 285 290 295 300 305 310 315 Figure 8. Switching Frequency vs. Supply Voltage Figure 9. Switching Waveforms INPUT VOLTAGE (V) 0.5 sec/div 4.5 4.2 3.9 4.8 3.6 3.3 3.0 2.7 960 980 1000 1020 1040 VFB = 0.4 V (not switching) 8 LEDs at 20 mA VOUT = 26 V SW pin 20V/div Inductor Current 100mA/div VOUT AC coupled 200mV/div 8 LEDs |
同様の部品番号 - W-6237TD-T |
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同様の説明 - W-6237TD-T |
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