ISL6446A 데이터 시트보기 (PDF) - Renesas Electronics

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ISL6446A

Dual (180°Out-of-Phase) PWM and Linear Controller

Renesas Electronics 

ISL6446A

Typical Performance Curves Oscilloscope plots are taken using the ISL6446AEVAL1Z 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

FN8384 Rev 3.00

Aug 27, 2015

PHASE 2

FIGURE 9. PWM INTERLEAVING

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