ltc3528b-2 Linear Technology Corporation, ltc3528b-2 Datasheet - Page 7

• Manufacturer Part Number: ltc3528b-2
• Description: 1a, 2mhz Synchronous Step-up Dc/dc Converter In 2mm ? 3mm Dfn
• Manufacturer: Linear Technology Corporation

BLOCK DIAGRAM
TO 5V
0.7V
V
IN
C
4.7μF
IN
1
3
SHDN
PGOOD
4M
PGND
SHUTDOWN
6
+
–
UVLO
V
REF
SHUTDOWN
START-UP
THERMAL
V
FB
2MHz
REF
OSC
– 10%
V
SHUTDOWN
REF
V
OUT
V
BEST
UVLO
CLK
TSD
8
V
IN
V
B
GATE DRIVERS
CONDUCTION
ANTI-CROSS
LOGIC
AND
2.2μH
L1
ANTI-RING
SGND
V
SEL
7
I
PK
ZERO
COMP
PK
WAKE
5
SW
–
+
CLAMP
SOFT-START
SLOPE
COMP
SWITCH
–
WELL
+
ERROR AMP
I
COMP
ZERO
EXPOSED
+
–
PAD
9
V
FB
REF
LTC3528B-2
V
OUT
FB
35282 BD
4
2
R2
R1
C
10μF
V
1.6V
TO 5.25V
OUT
3528b2f
OUT
7