LTC3622-2_15 Datasheet, PDF (9/24 Pages) Linear Technology – 17V, Dual 1A Synchronous Step-Down Regulator with Ultralow Quiescent Current

Block Diagram
LTC3622/
LTC3622-2/LTC3622-23/5
V_IN1
0.5ms
SLOPE
SOFT-START
COMPENSATION
ERROR
+
AMPLIFIER
0.6V +
FB1
–
BURST
+
COMPARATOR
–
MAIN
I-COMPARATOR
FIXED V_OUT
RUN1
PGOOD1
MODE/SYNC
PHASE
INTV_CC
SV_IN (MSOP ONLY)
FB2
RUN2
PGOOD2
OSCILLATOR
CLK1
CLK2
LDO
BUCK
LOGIC
AND
GATE DRIVE
OVERCURRENT
COMPARATOR
V_IN–5V
INTV_CC
SW1
REVERSE
CURRENT
COMPARATOR
GND
CHANNEL 1
CURRENT LIMIT
I_LIM
SELECT
CHANNEL 2
SAME AS CHANNEL 1
SW2
V_IN2
3622 BD
For more information www.linear.com/LTC3622
3622fa
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