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KDR720E Datasheet(Hoja de datos) 1 Page - KEC(Korea Electronics)

No. de Pieza. KDR720E
Descripción  White LED Step-Up Converter
Descarga  7 Pages
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Fabricante  KEC [KEC(Korea Electronics)]
Página de inicio  http://www.keccorp.com
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2007. 2. 26
1/7
SEMICONDUCTOR
TECHNICAL DATA
KAB3403T/DN
BICD LINEAR INTEGRATED CIRCUIT
Revision No : 0
White LED Step-Up Converter
The KAB3403T/DN is a monolithic step-up DC/DC converter specifically
designed to drive white LEDs with a constant current from Li-ion cell.
Relative large 320mV feedback voltage & it s high accuracy help you
setting LED current with a external resistor.
KAB3403T/DN is available in a extremely low profile & small TS-6
package.
A 10 H inductor is sufficient for most application.
FEATURES
Inherently Matched LED Current.
High Efficiency : 87% (max.)
Built in a open circuits protection for the LEDs fail.
Drives Up to Five LEDs
Built in a N-channel MOSFET Switch.
Fast 1.1MHz(typ.) Switching Frequency.
Wide Dimming control range : 12%~100%.
Automatic Soft-Start
Bulit in OVD (Over voltage protection.)
Extremely low height & small Packaging.
APPLICATIONS
Celluar Phones
Smart Phones
PDAs
Digital Cameras
MP3 Players, Color Displays
DIM
MILLIMETERS
A
B
D
E
TS6
2.9 0.2
1.6+0.2/-0.1
0.70 0.05
0.4 0.1
2.8+0.2/-0.3
1.9 0.2
0.95
0.16 0.05
0.00-0.10
0.25+0.25/-0.15
C
F
G
H
I
J
K
0.60
L
0.55
K
K
B
E
H
J
J
2
3
5
16
4
+
_
+
_
+
_
+
_
+
_
Lot No.
Type Name
403
12
3
65
4
403
403
Type Name
Lot No.
TDFN-6
MILLIMETERS
C
C
E
F
I
J
G
G
H
D
D
A
A
A
B
B
DIM
0.65 Typ
1.00
0.10
2.00
0.10
1.60
0.10
+
_
+
_
0.75
0.05
+
_
0.25
0.10
+
_
0.30
0.05
+
_
+
_
0.0 + 0.05
0.20 Ref
Φ 0.25
Marking
KAB3403DN
KAB3403T




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