Datasheet

LTC3546
11
3546fc
For more information www.linear.com/3546
FuncTional DiagraM
MUX
+
–
–
+
3546 BD
I
TH1
V
CCA
BMC1 V
IN1
I
TH2
BMC2 V
IN2
V
FB1
V
B
–
+
0.552V
V
CCA
V
CCD
RUN1
1.15µA
TRACK/SS1
SYNC/MODE
GNDA
GNDD
SW1
FREQ
SW1D
PGND1
PGOOD1
PHASE
V
IN1D
PGND1D
SW2A
–
+
0.63V
I
TH
LIMIT
LOGIC
SLOPE
COMPENSATION
ANTI-SHOOT
THRU
1A REGULATOR
2A REGULATOR
ANTI-SHOOT
THRU
DEPENDENT SWITCH
AUTO DETECT AND CONTROL
1A DEPENDENT
SWITCHES
MUX
INTERNAL
SOFT-START
VOLTAGE
REFERENCE
OSCILLATOR
+
–
V
CCA
V
FB2
V
B
+
–
0.552V
+
–
0.63V
RUN2
TRACK/SS2
SW2B
PGND2
PGOOD2
I
TH
LIMIT
LOGIC
SLOPE
COMPENSATION
ANTI-SHOOT
THRU
MUX
INTERNAL
SOFT-START
1.15µA
–
+
+
–
–
+
+
–
–
+
+
–
–
+