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SC21150ACSTRT Datasheet(PDF) 7 Page - Semtech Corporation

Part # SC21150ACSTRT
Description  Tiny 1.2A Synchronous Buck Regulator
PDF  20 Pages
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Manufacturer  SEMTECH [Semtech Corporation]
Direct Link  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC21150ACSTRT Datasheet(HTML) 7 Page - Semtech Corporation

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SC21150
7
Typical Characteristics
Efficiency vs. Load - 5VIN
50
55
60
65
70
75
80
85
90
95
100
0.01
0.10
1.00
Load (A)
1.0V PSAVE
1.0V FPWM
1.5V PSAVE
1.5V FPWM
2.2V PSAVE
2.2V FPWM
3.3V PSAVE
3.3V FPWM
Efficiency vs. Load - 4.2VIN
50
55
60
65
70
75
80
85
90
95
100
0.01
0.10
1.00
Load (A)
1.0V PSAVE
1.0V FPWM
1.5V PSAVE
1.5V FPWM
2.2V PSAVE
2.2V FPWM
3.3V PSAVE
3.3V FPWM
Efficiency vs. Load - 3.3VIN
50
55
60
65
70
75
80
85
90
95
100
0.01
0.10
1.00
Load (A)
1.0V PSAVE
1.0V FPWM
1.5V PSAVE
1.5V FPWM
2.2V PSAVE
2.2V FPWM
Efficiency vs. Load - 2.3VIN
50
55
60
65
70
75
80
85
90
95
100
0.01
0.10
1.00
Load (A)
1V PSAVE
1V FPWM
1.5V PSAVE
1.5V FPWM
Efficiency vs. Load - VOUT 1.0V
50
55
60
65
70
75
80
85
90
95
100
0.01
0.10
1.00
Load (A)
2.3VIN PSAVE
2.3VIN FPWM
3.3VIN PSAVE
3.3VIN FPWM
4.2VIN PSAVE
4.2VIN PFWM
5.0VIN PSAVE
5.0VIN FPWM
VIN = 5.0V, VOUT as shown, Load = 0 to .2A
VIN = 4.2V, VOUT as shown, Load = 0 to .2A
VIN = 3.3V, VOUT as shown, Load = 0 to .2A
VIN = 2.3V, VOUT as shown, Load = 0 to .2A
Efficiency vs. Load - VOUT 1.8V
50
55
60
65
70
75
80
85
90
95
100
0.01
0.10
1.00
Load (A)
3.3VIN PSAVE
3.3VIN FPWM
5VIN PSAVE
5VIN FPWM
VIN as shown, VOUT = .0V, Load = 0 to .2A
VIN as shown, VOUT = .8V, Load = 0 to .2A



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