参数资料
型号: SC668ULTRT
厂商: Semtech
文件页数: 10/46页
文件大小: 0K
描述: IC LED DRVR LMU 8CH MLPQUT20
特色产品: Semtech sc667 and sc668
标准包装: 1
拓扑: 线性(LDO),PWM
输出数: 12
内部驱动器:
类型 - 主要: 背光,LED 闪烁器,照明管理装置(LMU)
频率: 400kHz
电源电压: 2.9 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-UFQFN 裸露焊盘
供应商设备封装: 20-MLPQ(3x3)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: SC668ULDKR
SC668
Typical Characteristics — LDOs (continued)
PSRR vs. Frequency (1.8V)
PSRR vs. Frequency (2.8V)
0
-10
-20
-30
-40
-50
-60
V IN = 3.7V, V LDOn = 1.8V, I LDOn = 50mA
0
-10
-20
-30
-40
-50
-60
V IN = 3.7V, V LDOn = 2.8V, I LDOn = 50mA
-70
10
100
Frequency (Hz)
1000
10000
-70
10
100
Frequency (Hz)
1000
10000
V LDO (50mV/div)
Load Transient Response (1.2V)
V IN = 3.7V, V LDO = 1.2V, I LDO = 1mA to 200mA, T A = 25°C
200mA
V LDO (50mV/div)
Load Transient Response (1.8V)
V IN = 3.7V, V LDO = 1.8V, I LDO = 1mA to 200mA, T A = 25°C
200mA
I LDO (100mA/div)
0mA
Time (20μs s ?div)
I LDO (100mA/div) 0mA
Time (20μs s ?div)
Load Transient Response (3.3V)
V IN = 3.7V, V LDO = 3.3V, I LDO = 1mA to 200mA, T A = 25°C
V LDO (50mV/div)
200mA
I LDO (100mA/div) 0mA
Time (20μs s ?div)
10
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