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ISL97698IIZ-T Datasheet(PDF) 9 Page - Intersil Corporation |
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ISL97698IIZ-T Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 22 page ISL97698 9 FN8417.0 September 5, 2013 FIGURE 12. TRANSIENT RESPONSE (LED CURRENT CHANGES from 25mA to 100µA) FIGURE 13. TRANSIENT RESPONSE (LED CURRENT CHANGES from 100µA to 25mA) FIGURE 14. START-UP WAVEFORMS (100% BRIGHTNESS) FIGURE 15. START-UP WAVEFORMS (50% BRIGHTNESS) FIGURE 16. SHUTDOWN WAVEFORMS (100% BRIGHTNESS) Typical Performance Curves T A = +25°C, VIN = VIN_IO = EN = 3.7V (Continued), L = TDK VLF302510MT- 10uH, COUT = 3.3µF/25V, fSW = 850kHz, ILED = 25mA/string, 2P6S Configuration, default register settings, unless otherwise noted. (Continued) ILED = 25mA--> 100µA VOUT = 5V/DIV CH0 Headroom = 1V/DIV CH0 Current = 10mA/DIV Time = 10ms/DIV ILED = 100µA-->25mA VOUT = 5V/DIV CH0 Headroom = 1V/DIV CH0 Current = 10mA/DIV Time = 10ms/DIV VIN = 3.7V, 2P6S, PWMI DUTY CYCLE = 100% VOUT = 10V/DIV PWMI = 5V/DIV CH0 Current = 20mA/DIV Inductor Current = 200mA/DIV Time = 4ms/DIV VOUT = 10V/DIV CH0 Current = 20mA/DIV Time = 2ms/DIV VIN = 3.7V, 2P6S, PWMI Duty Cycle = 50% PWMI = 5V/DIV Inductor Current = 200mA/DIV VIN = 3.7V, 2P6S, PWMI Duty Cycle = 100% VOUT = 10V/DIV CH0 Current = 20mA/DIV Time = 1ms/DIV Inductor Current = 200mA/DIV PWMI = 5V/DIV VOUT = 10V/DIV CH0 Current = 20mA/DIV Time = 1ms/DIV VIN = 3.7V, 2P6S, PWMI Duty Cycle = 50% PWMI = 5V/DIV Inductor Current = 200mA/DIV FIGURE 17. SHUTDOWN WAVEFORMS (50% BRIGHTNESS) |
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