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CAT4238TD-GT3 Datasheet(PDF) 5 Page - Catalyst Semiconductor |
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CAT4238TD-GT3 Datasheet(HTML) 5 Page - Catalyst Semiconductor |
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5 / 14 page  CAT4238 © 2006 Catalyst Semiconductor, Inc. 5 Doc. No. 5019 Rev. A Characteristics subject to change without notice TYPICAL CHARACTERISTICS VIN = 3.6V, CIN = 4.7μF, COUT = 0.22µF, L = 47µH with 10 LEDs at 20mA, TAMB = 25ºC, unless otherwise specified. Quiescent Current vs. VIN (Not Switching) 50 75 100 125 150 3.0 3.5 4.0 4.5 5.0 5.5 INPUT VOLTAGE [V] VFB = 0.4V Quiescent Current vs. VIN (Switching) 0.0 0.5 1.0 1.5 2.0 3.0 3.5 4.0 4.5 5.0 5.5 INPUT VOLTAGE [V] FB pin voltage vs. Temperature 297 298 299 300 301 302 303 -50 0 50 100 150 TEMPERATURE [ºC] FB Pin Voltage vs. Output Current 290 295 300 305 310 5 1015202530 OUTPUT CURRENT [mA] 10 LEDs Switching Frequency vs. Supply Voltage Switching Waveforms 0.8 0.9 1.0 1.1 1.2 3.0 3.5 4.0 4.5 5.0 5.5 INPUT VOLTAGE [V] |
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Similar Description - CAT4238TD-GT3 |
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