参数资料
型号: SC419ULTRT
厂商: Semtech
文件页数: 7/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 20-MLPQ
标准包装: 1
系列: EcoSpeed®, SmartDrive™
PWM 型: 控制器
输出数: 1
频率 - 最大: 1MHz
电源电压: 3 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-MLPQ
包装: 标准包装
其它名称: SC419ULTRTDKR
SC419
Typical Characteristics
Characteristics in this section are based on using the Detailed Application Circuit.
Efficiency vs. Load — Forced Continuous Mode
V OUT
vs. Load — Forced Continuous Mode
100
90
V IN = 12V, V OUT = 1.050V, PSV = VDDA
1.100
1.075
V IN = 12V, V OUT = 1.050V, PSV = VDDA
85%
1.050
80
1.025
70
1.000
60
0.975
50
0
1
2
3
4
5
I OUT (A)
6
7
8
9
10
0.950
0
1
2
3
4
5
I OUT (A)
6
7
8
9
10
Efficiency vs. Load — Ultrasonic Power-save
V OUT vs. Load — Ultrasonic Power-save Mode
100
V IN = 12V, V OUT = 1.050V, R PSV = 115k ?
85%
1.100
1.075
V IN = 12V, V OUT = 1.050V, R PSV = 115k ?
80
1.050
60
1.025
1.000
40
0.975
20
0.01
0.1
I OUT (A)
1
10
0.950
0
1
2
3
4
5
I OUT (A)
6
7
8
9
10
Efficiency vs. Load — Power-save Mode
V OUT vs. Load — Power-save Mode
100
V IN = 12V, V OUT = 1.050V, PSV = open
85%
1.100
1.075
V IN = 12V, V OUT = 1.050V, PSV = open
80
1.050
60
1.025
1.000
40
0.975
20
0.01
0.1
I OUT (A)
1
10
0.950
0
1
2
3
4
5
I OUT (A)
6
7
8
9
10
7
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