LTC1775 LINER [Linear Technology], LTC1775 Datasheet - Page 7

• Manufacturer Part Number: LTC1775
• Description: High Power No RSENSE TM Current Mode Synchronous Step-Down Switching Regulator
• Manufacturer: LINER [Linear Technology]

FU CTIO AL DIAGRA
RUN/SS
R
SGND
U
C
C
C
I
TH
5
3
6
8
C1
SS
0.6V
V
PROG
V
–
+
IN
U
3 A
CL
1.19V
6V
V
FB
1.28V
INTV
–
+
CC
EA
g
–
+
m
= 1m
–
+
I
THB
OV
7
0.6V
+ –
W
V
+
–
INTV
OSENSE
1.19V
0.7V
+ –
I
CC
1
0.5V
0.95V
+
–
+
–
F
OVERVOLTAGE
B
INTV
S
R
SHUTDOWN
OSC
2
4
Q
CC
SYNC
1 A
SLEEP
FCB
FCNT
TOP
1
DROPOUT
COUNTER
SWITCH
EXTV
LOGIC/
REV
CC
LDO REG
1.19V
5.2V
REF
TA
BA
I
5.5
5.5
2
+
–
–
+
+
–
+
–
BOOST
INTV
PGND
TK
15
SW
V
BG
12
TG
13
14
11
10
16
9
IN
4.7V
CC
+
C
C
B
VCC
LTC1775
D
B
V
IN
M1
M2
+
L1
+
C
IN
7
1775 BD
V
C
OUT
OUT