LTC3534 Linear Dimensions Semiconductor, LTC3534 Datasheet - Page 8

• Manufacturer Part Number: LTC3534
• Description: 500mA Synchronous Buck-Boost DC
• Manufacturer: Linear Dimensions Semiconductor

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LTC3534
BLOCK DIAGRAM
8
+
+
+
+
2.4V TO 7V
V
R
IN
SS
C
SS
C
IN
12
13
2
PV
V
RUN/SS
IN
IN
1MHz
2.2V
OSC
1.8A
2.6A
SHUTDOWN
SHUTDOWN
SOFT-START
+
–
SW A
PGND1
–
–
+
+
AND
G
m
4
SW1
SW B
=
100k
PGND1
1
UVLO
CURRENT
SUPPLY
5
LIMIT
CURRENT
AVERAGE
LIMIT
GND
CONDUCTION
3
ANTICROSS
ANTIRING
PHASING
DRIVERS
OUTPUT
LOGIC
GATE
PWM
AND
AND
L1
SLEEP
EXPOSED PAD
17
COMPARATORS
PGND2
SHUTDOWN
THERMAL
6
SW C
PWM
SW2
–500mA
PGND2
+
–
+
–
–
7
SW D
+
CURRENT
REVERSE
Burst Mode OPERATION
LIMIT
–
ERROR
AMP
CONTROL
V
1V
REF
+
PWM
V
OUT
V
FB
C
10
11
15
14
R
Z
C
C
1.8V TO 7V
OUT
P1
V
OUT
R
C
FF
P2
C
Z1
R1
R2
3534 BD
3534f