参数资料
型号: SC198AMLTRT
厂商: Semtech
文件页数: 8/15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
NOT RECOMMENDED FOR NEW DESIGN
Typical Characteristics (continued)
SC198A
4
V OUT vs. V IN — 3.3V Programmed Output
1.854
V OUT vs. V IN — 1.8V Programmed Output
I OUT = 300mA
3.5
3
I OUT = 300mA
I OUT = 800mA
1.836
I OUT = 800mA
1.818
2.5
2
1.8
1.5
1.782
1
0.5
0
1.764
1.746
2.7
3.26
3.82
4.38
4.94
5.5
2.7
3.26
3.82
Input (V)
4.38
4.94
5.5
Input (V)
(50mV/div)
(50mV/div)
(5.0mV/div)
(200mV/div)
(200mV/div)
(1.0A/div)
Crosstalk in PSAVE
V IN =5.0V, 25°C, V OUTA = 1.0V, I OUTA = 80mA, V OUTB = 3.3V, I OUTB = 0mA
10μs
Transient in PSAVE
V OUT =1.0V, V IN =3.6V, 25°C, I OUT = 0 to 800mA
Time (200μs/div)
Crosstalk — Side A (PSAVE) Side B (PWM)
V IN =5.0V, 25°C, V OUTA = 1.0V, I OUTA = 80mA, V OUTB = 3.3V, I OUTB = 800mA
(100mV/div)
(100mV/div)
10μs
Transient in PWM
V OUT =1.8V, V IN =3.6V, 25°C, I OUT = 0 to 800mA
(5.0mV/div)
(200mV/div)
(200mV/div)
(1.0A/div)
Time (200μs/div)
8
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