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SC4509 Datasheet(PDF) 3 Page - Semtech Corporation

Part # SC4509
Description  Highly Integrated Step-Up Converter for White LED Applications in MLPD-W8-2x2
PDF  15 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC4509 Datasheet(HTML) 3 Page - Semtech Corporation

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© 2007 Semtech Corp.
www.semtech.com
SC4509
POWER MANAGEMENT
3
Electrical Characteristics (Cont.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
EN/SS Input Low Current
I
IL
V
EN/SS = GND
1.0
μA
EN/SS Input High Current
I
IH
60
100
μA
Output Over-Voltage Protection
OVP
25
30
V
Schottky Forward Drop
V
f_sch
I
D = 150mA
0.7
V
Schottky Leakage Current
I
f_sch
V
OUT = 25V; VSW = GND
1.0
4.0
μA
Note:
1. Guaranteed by design.
Unless specified: V
IN = VEN/SS = 3.6V; CIN = 1μF; COUT = 0.22μF; L = 22μH; unless otherwise noted, TA = +25°C for Typ, -40ºC to 85°C for Min and Max.



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