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| LTC3615 Datasheet, PDF (11/32 Pages) Linear Technology – Dual 4MHz, 3A Synchronous Step-Down DC/DC Converter | |||
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FUNCTIONAL Block Diagram
LTC3615
PGOOD1
FB1
VREF
IDEAL
DIODE
MODE
TRACK/SS1
DELAY
PGOOD
WINDOW-
COMPARATOR
ITH1
CHANNEL 1
ERROR
+
AMPLIFIER BURST
COMPARATOR
INTERNAL/
EXTERNAL
COMPENSATION
ITH-VOLTAGE
LIMIT
â
MODE
SLOPE
COMPENSATION
PMOS
CURRENT
COMPARATOR
PMOS
CURRENT SENSE
PVIN1
CONTROLLER LOGIC
SW1
SOFT-START
GATE DRIVER
RUN1
RUN2
RT /SYNC
PHASE
SVIN
SGND
UNDERVOLTAGE
LOCKOUT
CLK1
OR
PLL
OSCILLATOR
AND PHASE
SELECTOR
CLK2
SHUTDOWN
REVERSE
CURRENT
COMPARATOR
PGOOD2
FB2
TRACK/SS2
NMOS
CURRENT SENSE
0A
SRLIM
PGND
DUPLICATE FOR CHANNEL 2
PVIN2
SW2
ITH2
3615f
11
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