LTC3531-3 Linear Technology, LTC3531-3 Datasheet - Page 8

• Manufacturer Part Number: LTC3531-3
• Description: Buck-Boost Synchronous DC/DC Converters
• Manufacturer: Linear Technology

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BLOCK DIAGRA
LTC3531/
LTC3531-3.3/LTC3531-3
8
SHDN
V
IN
365mA
1.65V
V
IN
W
CURRENT
LIMIT
PEAK
UVLO
SHUTDOWN
SW A
SW B
SW1
SHUTDOWN
MACHINE
THERMAL
STATE
LOGIC
AND
GATE DRIVERS
CONDUCTION
ANTICROSS
AND
BUCK, 4SW,
BOOST
COMPARATOR
PGND
V
COMBINED
BEST
FOR TSOT
V
OUT
SW2
GND
MODE DETECT
SW C
V
AND
BEST
I
FOR ADJ VERSION
ZERO
1.225V V
R1s AND R2s
DETECT
SW D
INTERNAL
DISABLED
/I
R1
VALLEY
REF
V
V
OUT
IN
3531 BD
R2
NOT BONDED
FOR 3.3V AND
3V VERSIONS
V
FB
OUT
3531f