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