ISL78220ANEZ Datasheet, PDF (11/22 Pages) Intersil Corporation – 6-Phase Interleaved Boost PWM Controller with Light Load Efficiency Enhancement

ISL78220
Typical Performance Curves (Continued)
PWM1
5V
PWM1
5V
5V
PWM3
5V
PWM5
5V
CLK_OUT
1µs/DIV
FIGURE 8. WAVEFORMS WITH PWM_INV = GND
5V
PWM3
5V
PWM5
5V
CLK_OUT
1µs/DIV
FIGURE 9. WAVEFORMS WITH PWM_INV = VCC
PWM1
5V
5V
PWM4
5V
PWM6
5A _IL1
PWM_INV = GND, 8V INPUT, 30A OUTPUT
1µs/DIV
FIGURE 10. FULL LOAD WAVEFORMS
2V
EN
5V
VCC
6V INPUT, 1A OUTPUT
5V
PGOOD
5V
VOUT
5ms/DIV
FIGURE 11. ENABLE/DISABLE WAVEFORMS
VREF2
1V
6V INPUT, 30A OUTPUT
5V _VOUT
5ms/DIV
FIGURE 12. MODULATING VREF2 INPUT
11
FN7688.3
December 24, 2013