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Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to
verify that the Application Note or Technical Brief is current before proceeding.

For information regarding Intersil Corporation and its products, see www.intersil.com

AN1391.0

March 10, 2008

FIGURE 3. LAYER 2

FIGURE 4. LAYER 3

FIGURE 5. BOTTOM LAYER

FIGURE 6. BOTTOM SILK

ISL6443AEVAL2Z Layout 

 (Continued)

Application Note 1391

Summary of Contents for ISL6443AEVAL2Z

Page 1: ... and Shutdown The soft start capacitors can be adjusted for sequencing of the output voltages PWM start up tracking and or to adjust the start up current required to charge the output capacitors To independently shutdown the PWMs the SD1 or SD2 pin can be pulled to GND using the on board posts P9 and P10 respectively Power Good When both PWMs are within 10 of their set value and the linear regulat...

Page 2: ...uF C6 1uF R8 100 R8 100 P9 SD1 P9 SD1 P11 PGOOD P11 PGOOD P3 3 3V P3 3 3V D1 BAT54HT1 D1 BAT54HT1 C7 0 1uF C7 0 1uF R11 2k R11 2k C5 0 1uF C5 0 1uF P4 GND P4 GND R6 1k R6 1k C1 4 7uF C1 4 7uF R10 95 3k R10 95 3k C20 10uF C20 10uF Q2A FDS6912A Q2A FDS6912A Q2B Q2B C31 220uF 10V 40mOhm 10TPB220M C31 220uF 10V 40mOhm 10TPB220M C32 10uF C32 10uF R4 806 R4 806 P2 GND P2 GND R5 95 3k R5 95 3k P1 12V P1 ...

Page 3: ...airchild 9 C5 C7 2 Cap Ceramic 0603 0 1µF 10 16V Generic C2 C3 2 Cap Ceramic 0603 0 01µF 10 16V Generic 10 C6 1 Cap Ceramic 0603 1 0µF 10 16V Generic 11 C32 1 Cap Ceramic 0805 10µF 10 6 3V Generic 12 C33 C34 2 NOT POPULATED 13 R8 1 Resistor Film 100Ω 0603 1 1 16W Generic 14 R1 R3 R6 R7 R9 5 Resistor Film 1kΩ 0603 1 1 16W Generic 15 R11 1 Resistor Film 2kΩ 0603 1 1 16W Generic 16 R2 1 Resistor Film...

Page 4: ... the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding For information regarding Intersil Corporation and its products see www intersil com AN1391 0 March 10 2008 FIGURE 3 LAYER 2 FIGURE 4 LAYER 3 FIGURE 5 BOTTOM LAYER FIGURE 6 BOTTOM SILK ISL6443AEVAL2Z Layout Continued Application Note 1391 ...

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