LTC3738 Datasheet, PDF (27/32 Pages) Linear Technology – 3-Phase Buck Controller for Intel VRM9/VRM10 with Active Voltage Positioning

APPLICATIO S I FOR ATIO
SW1
D1
L1
R_SENSE1
LTC3738
V_IN
R_{IN +}
C_IN
SW2
D2
L2
R_SENSE2
V_OUT
+
C_OUT
R_L
BOLD LINES INDICATE HIGH,
SWITCHING CURRENT LINES.
KEEP LINES TO A MININMUM
LENGTH
SW3
D3
L3
R_SENSE3
3738 F09
Figure 9. Branch Current Waveforms
INDUCTOR
LTC3738
SENSE⁺
SENSE^–
1000pF
SENSE
RESISTOR
3738 F10
OUTPUT CAPACITOR
Figure 10. Kelvin Sensing R_SENSE
3738f
27