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SC196 데이터시트(PDF) 12 Page - Semtech Corporation

부품명 SC196
상세설명  1.5A Synchronous Buck Converter with Integrated Power Devices
PDF  18 Pages
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제조업체  SEMTECH [Semtech Corporation]
홈페이지  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC196 데이터시트(HTML) 12 Page - Semtech Corporation

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Efficiency vs. Load Current V
OUT = 1.0V
Efficiency vs. Load Current V
OUT = 2.5V
Efficiency vs. Load Current V
OUT = 1.8V
Efficiency vs. Load Current V
OUT = 3.3V
PWM to PSAVE Hysteresis
Efficiency vs. Input Voltage
Typical Characteristics
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
0.1
1
10
IOUT(A)
VIN=3.9V PSAVE
VIN=4.2V PSAVE
VIN=5.0V PSAVE
VIN=3.2V PWM
VIN=4.2V PWM
VIN=5.0V PWM
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
0.1
1
10
IOUT(A)
VIN=3.3V PSAVE
VIN=4.2V PSAVE
VIN=5.0V PSAVE
VIN=3.3V PWM
VIN=4.2V PWM
VIN=5.0V PWM
60
65
70
75
80
85
90
95
100
2.4
2.8
3.2
3.6
4.0
4.4
4.8
5.2
5.6
VIN(V)
VOUT=1.0V PSAVE
VOUT=3.3V PSAVE
VOUT=3.3V PWM
VOUT=1.0V PWM
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
0.1
1
10
IOUT(A)
VIN=2.7V PSAVE
VIN=3.6V PSAVE
VIN=4.2V PSAVE
VIN=2.7V PWM
VIN=3.6V PWM
VIN=4.2V PWM
0
10
20
30
40
50
60
70
80
90
100
0.0001
0.001
0.01
0.1
1
10
IOUT(A)
VIN=4.2V PSAVE
VIN=3.6V PSAVE
VIN=2.7V PSAVE
VIN=2.7V PWM
VIN=3.6V PWM
VIN=4.2V PWM
1.795
1.8
1.805
1.81
1.815
1.82
0
0.1
0.2
0.3
0.4
0.5
0.6
IOUT(A)
PSAVE Exit
IOUT Increasing
VIN=3.6V, VOUT=1.8V
PSAVE Entry
IOUT Decreasing
R
FB1+RFB2=10KΩ
R
FB1+RFB2=10KΩ
R
FB1+RFB2=10KΩ
I
OUT=750mA (PWM) / 50mA (PSAVE), RFB1+RFB2=10KΩ
R
FB1+RFB2=10KΩ
12
© 2007 Semtech Corp.
www.semtech.com
SC196
PRELIMINARY
POWER MANAGEMENT



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