isl8540 Intersil Corporation, isl8540 Datasheet - Page 5

• Manufacturer Part Number: isl8540
• Description: Dc/dc Power Switching Regulator
• Manufacturer: Intersil Corporation

EN#
FB
1.6k
BANDG AP
1.21V
REF
+14%
-14%
3pF
5
SS
START
SO FT-
+
+
+
+
EAM P
FIGURE 1. BLOCK DIAGRAM OF THE ISL8540
CO M P
+
RAM P
ISL8540
G EN
RTCT
CO M P
PW M
OVFLT
UVFLT
O SC
SYNC
PRO TECTIO N
CONTRO LLER
DRIVER
LOG IC
PW M
O CFLT
DELAY
3µs
CSA
VCC5
+ +
LDO
September 18, 2007
LX
SG ND
VIN
BO O T
PG ND
PG O O D
FN6495.4