LTC3708 LINER [Linear Technology], LTC3708 Datasheet - Page 26
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LTC3708
Manufacturer Part Number
LTC3708
Description
Fast 2-Phase, No RSENSE Buck Controller with Output Tracking
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC3708.pdf
(32 pages)
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LTC3708
APPLICATIONS INFORMATION
26
R
IN
(16a) Sensing the Bottom MOSFET
V
IN
C
IN
BOLD LINES INDICATE
HIGH, SWITCHING
CURRENT LINES.
KEEP LINES TO A
MINIMUM LENGTH.
+
D
D
D
D
SENSE
+
SENSE
–
MOSFET
G
S
S
S
Figure 15. Branch Current Waveforms
CERAMIC
CERAMIC
SW1
SW2
Figure 16. Kelvin Sensing
D1
D2
L1
L2
(16b) Sensing a Resistor
C
C
OUT1
OUT2
SENSE
V
V
+
+
OUT1
OUT2
+
SENSE
–
3708 F15
R
SENSE
R
R
3708 F16
L1
L2
3708fb