参数资料
型号: SC418ULTRT
厂商: Semtech
文件页数: 9/30页
文件大小: 691K
描述: IC REG DL BUCK/LINEAR 20MLPQ
产品培训模块: Power Supplies 101
标准包装: 1
系列: EcoSpeed®
拓扑: 降压(降压)(1),线性(LDO)(1)
功能: 任何功能
输出数: 2
频率 - 开关: 1MHz
电压/电流 - 输出 1: 控制器
电压/电流 - 输出 2: 0.75 V ~ 5.25 V,200mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 3 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-MLPQ
供应商设备封装: 20-MLPQ(3x3)
包装: 标准包装
其它名称: SC418ULTRTDKR
SC418
9
Characteristics in this section are based on using the Detailed Application Circuit.
Power-Save Mode  No Load
Time (2祍/div)
V
OUT
 
(50mV/div)
LX
(0V/div)
IOUT
 (5A/div)
 PGOOD
(5V/div)
Externally biased at VDDA/VDDP = 5V, V
IN
 = 2V, V
OUT
 = .050V
Ultrasonic Powersave Mode  No Load
Time (5祍/div)
V
OUT
 
(50mV/div)
DH
(0V/div)
LX
(0V/div)
DL
(5V/div)
Forced Continuous Mode  No Load
Time (2祍/div)
V
OUT
 
(50mV/div)
DH
(0V/div)
LX
(0V/div)
DL
 (5V/div)
Internally biased at V
LDO
 = 5V, V
IN
 = 2V, V
OUT
 = .050V, I
OUT
 = 0A
Enabled Loaded Output  Power Good True
V
OUT
(500mV/div)
LX
(0V/div)
PGOOD
(5V/div)
Time (400祍/div)
Transient Response  Load Rising
Time (40祍/div)
Externally biased at VDDA/VDDP = 5V, V
IN
 = 2V, V
OUT
 = .050V, I
OUT
= 0A to 0A
V
OUT
 
(50mV/div)
LX
(0V/div)
IOUT
 (5A/div)
 PGOOD
(5V/div)
Transient Response  Load Falling
Time (40祍/div)
V
OUT
 
(500mV/div)
LX
(5A/div)
PGOOD
(5V/div)
IOUT
 (5A/div)
Typical Characteristics (continued)
Internally biased at V
LDO
 = 5V, V
IN
 = 2V, V
OUT
 = .050V, I
OUT
 = 0A
Internally biased at V
LDO
 = 5V, V
IN
 = 2V, V
OUT
 = .050V, R
PSV
 = 5k &
Externally biased at VDDA/VDDP = 5V, V
IN
 = 2V, V
OUT
 = .050V, I
OUT
= 0A to 0A
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