SP6650 Просмотр технического описания (PDF) - Signal Processing Technologies
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SP6650 Datasheet PDF : 17 Pages
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SPECIFICATIONS (continued)
Specifications
apply
for
-40°C
to
+85°C,
V
OUT
=
3.3V,
V
IN
=
3.6V,
I
LIM
=
SHDN
=
V,
IN
FB
=
GND,
L1
=
22µH,
C
OUT
=
C
IN
=
47µF,
unless
otherwise
noted.
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
BLON Leakage Current
Rising Over-Temperature Trip
Point
0.4
1
140
V
VIN = VOUT = 3.0V,
ISINK = 1mA
µA VBLON = 3.3V
°C
Over-Temperature Hysteresis
14
°C
SHDN, ILIM Leakage Current
1
500
nA
SHDN, ILIM Input Threshold
Voltage
0.60 0.90 1.8
0.60 1.25 1.8
V High to Low Transition
V Low to High Transition
VOUT
FB
SHDN
ILIM
GND
VIN
Internal
Supply
Min
TOFF
VIN
Min
TON
REF
+
C
-
+ REF/2
C
-
UVLO
TSD
Ref
Block
REF
REF/2
ILIM/M
VIN
REF
+
C
-
UVLO
BLOCK DIAGRAM
PVIN
M
1
+
C
- overcurrent
ILIM/M
LX
+
C
-
Q
VIN
D
Q
CLR
PGND
SHDN
BLON
Date: 5/25/04
SP6650 High Efficiency 600mA Synchronous Buck Regulator
3
© Copyright 2004 Sipex Corporation
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