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SC189CEVB-2 数据表(PDF) 4 Page - Semtech Corporation

部件名 SC189CEVB-2
功能描述  2.5MHz, 1.5A Synchronous Step Down Regulator
PDF  23 Pages
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC189CEVB-2 数据表(HTML) 4 Page - Semtech Corporation

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© 2009 Semtech Corp.
4
SC189
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
EN Input Low Current
I
EN_LO
EN=GND
-2.0
2.0
µA
EN Input High Threshold
V
EN_HI
1.2
V
EN Input Low Threshold
V
EN_LO
0.4
V
VOUT Over Voltage Protection(2)
V
OVP
115
%
Thermal Shutdown Temperature (2)
T
SD
Junction Temperature
+160
°C
Thermal Shutdown Hysteresis (2)
T
SD_HYS
Junction Temperature
10
°C
Notes:
(1) The “Output Voltage Tolerance” includes output voltage accuracy, voltage drift over temperature and the line regulation.
(2) Guaranteed by design.
Unless specified: V
IN = 5.0V, CIN=10µF, COUT=10µF; L=2.2µH; -40°C<TA<+85 °C; TJ(MAX)=125°C; Unless otherwise noted typical values are TA=+25 °C.



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