LTC3419 Datasheet, PDF (7/16 Pages) Linear Technology – Dual Monolithic 600mA Synchronous Step-Down Regulator

FUNCTIONAL DIAGRAM
MODE 3
REGULATOR 1
V_{FB1 1}
–
I_TH
EA
+
0.6V
SOFT-START
BURST
CLAMP
SLOPE
COMP
–
SLEEP
V_SLEEP +
BURST
S
Q
RS
LATCH
R
Q
SWITCHING
LOGIC
AND
BLANKING
CIRCUIT
–+
I_COMP
ANTI
SHOOT-
THRU
SHUTDOWN
RUN1 2
RUN2 7
V_FB2 8
0.6V REF
OSC
OSC
REGULATOR 2 (IDENTICAL TO REGULATOR 1)
I_RCMP
SLEEP2
SLEEP1
LTC3419
5 V_IN
4 SW1
9 GND
3419 FD
6 SW2
3419f
7