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SP6659 Datasheet(PDF) 6 Page - Sipex Corporation

Part No. SP6659
Description  1.5MHz, 600mA Synchronous Buck Regulator
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Maker  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
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SP6659 Datasheet(HTML) 6 Page - Sipex Corporation

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


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