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SC171 Datasheet(PDF) 10 Page - Semtech Corporation

Part # SC171
Description  Regulator with Optional Ultrasonic Power Save
Download  27 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC171 Datasheet(HTML) 10 Page - Semtech Corporation

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© 2010 Semtech Corporation
FB Voltage vs Temperature
0.745
0.748
0.750
0.753
0.755
-40 -15
10
35
60
85
110 135
Temperature (°C)
Black:VDD=5.0V
Red: VDD=3.0V
Low Side Switch On-State Resistance vs
Temperature
55
65
75
85
95
105
115
-40
-15
10
35
60
85
110 135
Temperature (°C)
Blue: VDD=3.0V
Black: VDD=5.0V
High Side Switch On-State Resistance vs
Temperature
80
90
100
110
120
130
140
150
-40
-15
10
35
60
85
110 135
Temperature (°C)
Blue: VDD=3.0V
Black: VDD=5.0V
Load Transient Test
(VIN=5V, VOUT=1.2V, IOUT= 0A to 1A,
PSAVE Mode Enabled, LOUT=1µH,COUT=2x22µF,Channel 1:
50mV/Div, Channel 2:5V/Div, Channel 4: 0.5A/Div,
Time:20µs/Div)
Load Transient Test
(VIN=5V, VOUT=1.2V, IOUT= 1A to 0A,
PSAVE Mode Enabled, LOUT=1µH,COUT=2x22µF,Channel 1:
50mV/Div, Channel 2:5V/Div, Channel 4: 0.5A/Div,
Time:20µs/Div)
Typical Characteristics
10
SC171


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