iru3046 International Rectifier Corp., iru3046 Datasheet - Page 17

• Manufacturer Part Number: iru3046
• Description: Dual Synchronous Pwm Controller With Current Sharing Circuitry And Ldo Controller
• Manufacturer: International Rectifier Corp.

WAVEFORMS
Figure 14 - Gate signals vs. inductor currents.
Rev. 1.9
09/27/02
Ch1: Gate signal for control FET(master) (10V/div).
Ch2: Gate signal for control FET(slave) (20V/div).
Ch3: Inductor current for master channel (5A/div).
Ch4: Inductor current for slave channel (5A/div).
V
MASTER
=5V, V
SLAVE
=12V, I
Figure 16 - Gate signals.
OUT
=10A
Ch1: Gate signal for control FET(master) (10V/div).
Ch2: Gate signal for sync FET(master) (10V/div).
Ch3: Gate signal for control FET(slave) (20V/div).
Ch4: Gate signal for sync FET(slave) (10V/div).
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Figure 15 - Inductors current matching.
Ch1: Gate signal for sync FET(master) (10V/div).
Ch2: Gate signal for sync FET(slave) (10V/div).
Ch3: Inductor current for master channel (5A/div).
Ch4: Inductor current for slave channel (5A/div).
V
MASTER
=5V, V
SLAVE
=12V, I
OUT
=10A
IRU3046
17