SP6659_06 Datasheet, PDF (6/11 Pages) Sipex Corporation – 1.5MHz, 600mA Synchronous Buck Regulator

FUNCTIONAL DIAGRAMS
OSC
SLOPE
COMP
BLANKING
+
ISENSE
COMP
R
-
VOUT
0.6V
5
R1
+
EA
-
0.65V
+
COMP
-
+
OV
DET
-
_
S
Q
__
RQ
RS LATCH
PWM
LOGIC
DRV
R2
+
RUN
1
VIN
REF
0.6V
SHUTDOWN
Izero
COMP
-
4
CIN
VIN
2.7 - 5.5V
+
-
SW
3
COUT
2
GND
VOUT
Fixed Output Version
OSC
SLOPE
COMP
BLANKING
+
CIO^SEM^NSP^E
R
-
VFB
0.6V
5
+
-EA
0.65V
+
COMP
-
+-ODEVT
_
S
_
Q_
RQ
RS LATCH
PWM
LOGIC
DRV
RUN
1
VIN
REF
0.6V
SHUTDOWN
+
CIOzeMroP
-
4
CIN
VIN
+ ^{2.7 - 5.5V}
-
SW
3
VOUT
R1
Cf
COUT
R2
2
GND
Adjustable Output Version
Date: 9/25/06 Rev C
SP6659 1.5MHz, 600mA Synchronous Buck Regulator
6
© 2006 Sipex Corporation