LTC3708_15 Datasheet, PDF (26/32 Pages) Linear Technology – Fast 2-Phase, No RSENSE Buck Controller with Output Tracking

LTC3708
APPLICATIONS INFORMATION
V_IN
R_IN
+
C_IN
SW1
D1
CERAMIC
L1
V_OUT1
+
C_OUT1
BOLD LINES INDICATE
HIGH, SWITCHING
CURRENT LINES.
KEEP LINES TO A
MINIMUM LENGTH.
SW2
D2
CERAMIC
L2
V_OUT2
+
C_OUT2
R_L1
R_L2
3708 F15
Figure 15. Branch Current Waveforms
D
G
D
S
D
S
D
S
SENSE⁺ SENSE^–
MOSFET
(16a) Sensing the Bottom MOSFET
Figure 16. Kelvin Sensing
SENSE⁺ SENSE^–
(16b) Sensing a Resistor
R_SENSE
3708 F16
3708fb
26