参数资料
型号: SC419ULTRT
厂商: Semtech
文件页数: 8/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 20-MLPQ
标准包装: 1
系列: EcoSpeed®, SmartDrive™
PWM 型: 控制器
输出数: 1
频率 - 最大: 1MHz
电源电压: 3 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 20-MLPQ
包装: 标准包装
其它名称: SC419ULTRTDKR
SC419
Typical Characteristics (continued)
Characteristics in this section are based on using the Detailed Application Circuit.
Forced Continuous Operation — No Load
V IN = 12V, V OUT = 1.05V, PSV = VDDA
V OUT
(50mV/div)
LX
(10V/div)
DH
(10V/div)
DL
(5V/div)
Time (10μs/div)
Ultrasonic Power-save Operation — No Load
V IN = 12V, V OUT = 1.05V, R PSV = 115k ?
V OUT
(50mV/div)
LX
(10V/div)
DH
(10V/div)
DL
(5V/div)
Time (10μs/div)
Power-save Operation — No Load
V IN = 12V, V OUT = 1.05V, I OUT = 0A, PSV = open
V OUT
(50mV/div)
LX
(10V/div)
DH
(10V/div)
DL
(5V/div)
Time (10ms/div)
Transient Response — Load Rising
V IN = 12V, V OUT = 1.05V, R PSV = 115k ?, I OUT = 0A to 10A
V OUT
(50mV/div)
IOUT
(5A/div)
LX
(10V/div)
Time (20μs/div)
Transient Response — Load Falling
V IN = 12V, V OUT = 1.05V, R PSV = 115k ?, I OUT = 10A to 0A
V OUT
(50mV/div)
IOUT
(5A/div)
LX
(10V/div)
Time (20μs/div)
Enable to Power Good True
V IN = 12V, V OUT = 1.05V, PSV = open
V OUT
(500mV/div)
LX
(5V/div)
PGOOD
(5V/div)
Time (400μs/div)
8
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