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ISL9109 Datasheet, PDF (6/13 Pages) Intersil Corporation – RF PA 1.5A DC/DC Regulator
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ISL9109
Typical Operating Performance (Continued)
VSW
2V/DIV
100mV/DIV
VOUT (AC COUPLED)
2V/DIV
100mV/DIV
VSW
VOUT (AC COUPLED)
IL
1A/DIV
100µs/DIV
FIGURE 15. LOAD TRANSIENT TEST (MODE=GND VIN = 5.0V;
VO = 1.5V; IO = 0.01A~1A)
IL
1A/DIV
100µs/DIV
FIGURE 16. LOAD TRANSIENT TEST (MODE = GND,
VIN = 3.6V; VO = 1.5V; IO = 0.01A~1A)
VSW
2V/DIV
100mV/DIV
VOUT (AC COUPLED)
IL
1A/DIV
100µs/DIV
FIGURE 17. LOAD TRANSIENT TEST (MODE = GND, VIN =
3.6V; VO = 2.5V; IO = 0.01A~1A)
VSW
2V/DIV
50mV/DIV
0.5A/DIV
0.2A/DIV
VOUT (AC COUPLED)
IL
IOUT
100µs/DIV
FIGURE 18. LOAD TRANSIENT TEST (MODE = VIN = 5V; VO =
3.3V; IO = 0.2A~0.4A)
6
FN6681.1
September 29, 2008
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