参数资料
型号: SC198AMLTRT
厂商: Semtech
文件页数: 7/15页
文件大小: 0K
描述: IC REG BUCK SYNC PROG .8A 20MLPQ
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 可编程
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 1MHz
电流 - 输出: 800mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-MLPQ
包装: 标准包装
供应商设备封装: 20-MLPQ(4x4)
其它名称: SC198AMLDKR
Typical Characteristics
NOT RECOMMENDED FOR NEW DESIGN
SC198A
Effi ciency vs. Load at V IN = 2.7V, Side A
Effi ciency vs. Load at V IN = 3.6V, Side A
100
V OUT = 1.8V PSAVE
100
90
90
V OUT = 1.8V PSAVE
80
70
V OUT = 1.0V PSAVE
80
70
V OUT = 1.0V PSAVE
60
50
V OUT = 1.8V PWM
V OUT = 1.0 PWM
60
50
V OUT = 1.8V PWM
40
40
30
20
10
0
30
20
10
0
V OUT = 1.0 PWM
0.001
0.01
Load (A)
0.1
1
0.001
0.01
Load (A)
0.1
1
100
Effi ciency vs. Load at V IN = 5.5V, Side A
100
Effi ciency vs. Load at V IN = 5.5V, Side B
V OUT = 1.8V PSAVE
90
V OUT = 1.8V PSAVE
90
80
80
V OUT = 1.0V PSAVE
70
60
50
V OUT = 1.0V PSAVE
V OUT = 1.8V PWM
70
60
50
V OUT = 1.8V PWM
40
40
V OUT = 1.0 PWM
30
20
10
0
V OUT = 1.0 PWM
30
20
10
0
0.001
0.01
0.1
1
0.001
0.01
0.1
1
0.2
Load (A)
Line Regulation at 300mA
3
Load (A)
Load Regulation — V OUT =1.8V, V IN =3.6V
0.15
V OUT = 1.8V PWM
2
0.1
V OUT = 1.0 PWM
1
0.05
V OUT = 1.8V PWM
0
0
-0.05
-1
V OUT = 1.0 PWM
-0.1
-2
-0.15
-0.2
-3
2.7
3.26
3.82
Input (V)
4.38
4.94
5.5
0.001
0.01
Load (A)
0.1
1
7
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