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SC173AEVB 데이터시트(PDF) 4 Page - Semtech Corporation

부품명 SC173AEVB
상세설명  3A EcoSpeedTM Synchronous Step-Down Regulator with Automatic Power Save
PDF  26 Pages
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제조업체  SEMTECH [Semtech Corporation]
홈페이지  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC173AEVB 데이터시트(HTML) 4 Page - Semtech Corporation

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© 2010 Semtech Corporation
Electrical Characteristics (continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Power Good
Power Good Threshold
Power Good Signal Threshold High
116
120
124
%V
OUT
Power Good Signal Threshold Low
86
90
93
PGOOD Delay Time(1)
VDD=3V
1
ms
VDD=5V
2
Noise Immunity Delay Time
5
µs
Leakage
1
µA
Power Good On-Resistance
10
20
Ω
Fault Protection
Output Under-Voltage Fault
FB with Respect to REF,
8 Consecutive Clocks
-30
-25
-20
%
Output Over-Voltage Fault
FB with Respect to REF
+16
+20
+24
%
Smart PowerSave
Protection Threshold
FB with Respect to REF
+7
+10
+13
%
OV, UV Fault Noise Immunity Delay
5
μs
Over-Temperature Shutdown
OT Latched
150
°C
Enable
Output Enabled
1
V
Output Disabled
0.4
V
EN Input Bias Current
EN = VDD or 0V
0.5
8.0
μA
Enable Pin Floating Voltage
EN floating
39
41
44
%V
DD
Unless specified: V
IN =5V, TA=+25°C for Typ, -40°C to +85°C for Min and Max, TJ < 125°C
4
SC173A



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