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SP6650 Datasheet(PDF) 3 Page - Sipex Corporation

Part # SP6650
Description  High Efficiency 600mA Synchronous Buck Regulator Ideal for portable designs powered with Li Ion battery
PDF  17 Pages
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Manufacturer  SIPEX [Sipex Corporation]
Direct Link  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6650 Datasheet(HTML) 3 Page - Sipex Corporation

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Date: 5/25/04
SP6650 High Efficiency 600mA Synchronous Buck Regulator
© Copyright 2004 Sipex Corporation
BLOCK DIAGRAM
SPECIFICATIONS (continued)
Specifications apply for -40°C to +85°C, V
OUT = 3.3V, VIN = 3.6V, ILIM = SHDN = VIN, FB = GND, L1 = 22µH, COUT = CIN = 47µF, unless otherwise noted.
PVIN
Internal
Supply
VIN
Min
TOFF
Min
TON
REF
SHDN
UVLO
REF
SHDN
ILIM
FB
VOUT
Ref
Block
REF
REF/2
ILIM/M
overcurrent
GND
BLON
UVLO
ILIM/M
D
VIN
CLR
REF/2
Q
VIN
Q
LX
+
-
C
+
-
C
+
-
C
+
-
C
+
-
C
M
1
PGND
TSD
VIN
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
Falling BLON Trip Voltage
2.88
3.00
3.12
V
BLON Trip Voltage Hysteresis
2.9
%
BLON Low Output Voltage
0.4
V
VIN = VOUT = 3.0V,
ISINK = 1mA
BLON Leakage Current
1
µAVBLON = 3.3V
Rising Over-Temperature Trip
140
°C
Point
Over-Temperature Hysteresis
14
°C
SHDN, ILIM Leakage Current
1
500
nA
SHDN, ILIM Input Threshold
0.60
0.90
1.8
V
High to Low Transition
Voltage
0.60
1.25
1.8
V
Low to High Transition



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