 English |
|
|
|
|
|
|
|
| ISL6446 Datasheet, PDF (9/20 Pages) Intersil Corporation – Dual (180° Out-of-Phase) PWM and Linear Controller | |||
| |||
| ◁ |
ISL6446
Typical Performance Curves
Oscilloscope plots are taken using the ISL6446EVAL1Z evaluation board, VIN = 12V, VOUT1 = 5V, VOUT2 = 3.3V, fs = 300kHz, unless
otherwise noted.
PHASE 1
PHASE 2
48mVP-P
VOUT1/AC
43mVP-P
VOUT2/AC
FIGURE 5. OUTPUT RIPPLE (PWM1)
VIN = 12V
VOUT = 5V
IOUT = 5A~15A
VOUT1/AC
ISTEP 1A/50mV
IL1
FIGURE 7. LOAD TRANSIENT
VIN = 12V
VOUT1 = 5V
VOUT2 = 3.3V
FIGURE 6. OUTPUT RIPPLE (PWM2)
VIN = 12V
VOUT1 = 5V
VOUT2 = 3.3V
PHASE 1
IOUT1 = 0A
IOUT2 = 0A
PHASE 2
FIGURE 8. PWM INTERLEAVING
PHASE 1
IOUT1 = 25A
IOUT2 = 25A
PHASE 2
FIGURE 9. PWM INTERLEAVING
9
FN7944.0
July 10, 2012
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese