参数资料
型号: SC668ULTRT
厂商: Semtech
文件页数: 9/46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
Load Regulation (LDO2)
Load Regulation (LDOm)
0
V IN = 3.7V, T A = 25°C
0
V IN = 3.7V, m = 1, 3, or 4, T A = 25°C
-5
-10
1.2V
1.8V
1.5V
-5
-10
1.5V
1.8V
2.5V
-15
-20
-15
-20
2.8V
3.3V
-25
0
40
80
ILDO (mA)
120
160
200
-25
0
40
80
I LDO (mA)
120
160
200
Line Regulation (LDO2)
Line Regulation (LDOm)
1
0.75
I LDO2 = 1mA, V LDO2 = 1.2V to 1.8V, T A = 25°C
3
2
I LDOm = 1mA, V LDOm = 1.5V to 3.3V, m = (1,3, or 4), T A = 25°C
0.5
0.25
1
0
-0.25
1.2V
1.8V
0
-1
3.3V
2.8V
1.5V
1.8V
-0.5
-0.75
-2
-1
4.20
3.90
3.60
V IN (V)
3.30
3.00
2.70
-3
4.20
3.90
3.60
V IN (V)
3.30
3.00
2.70
LDO Noise vs. Load Current (1.8V)
LDO Noise vs. Load Current (2.8V)
100
80
60
40
20
V LDO = 1.8V, V IN = 3.7V, 10Hz < f < 100kHz, T A = 25°C
100
80
60
40
20
V LDO = 2.8V, V IN = 3.7V, 10Hz < f < 100kHz, T A = 25°C
0
0
40
80
I OUT (mA)
120
160
200
0
0
40
80
I OUT (mA)
120
160
200
9
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