参数资料
型号: SC493ULTRT
厂商: Semtech
文件页数: 9/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM MLPQ-20
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 ~ 5.5 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: SC493ULTRTDKR
SC493
Typical Characteristics (continued)
Slew-Up — CCM, No Load, EnIntLd=0/1
V IN = 5V, V OUT = 1.8V, f SW = 1MHz, VFBadj command change -9% to +9%
SCL (5V/div)
Slew-Down — CCM, No Load, EnIntLd=0
V IN = 5V, V OUT = 1.8V, f SW = 1MHz, VFBadj command change +9% to -9%
SCL (5V/div)
V OUT (100mV/div)
V OUT (100mV/div)
PGOOD (5V/div)
Time (500μs/div)
Slew-Up — CCM, No Load, EnIntLd=0/1
V IN = 5V, V OUT = 1.8V, f SW = 1MHz, Margin command change -10% to +10%
PGOOD (5V/div)
Time (500μs/div)
Slew-Down — CCM, No Load, EnIntLd=1
V IN = 5V, V OUT = 1.8V, f SW = 1MHz, Margin command change +10% to -10%
SCL (5V/div)
SCL (5V/div)
V OUT (100mV/div)
V OUT (100mV/div)
PGOOD (5V/div)
Time (500μs/div)
Slew-Up — CCM, 3A Load, EnIntLd=0/1
V IN = 5V, V OUT = 1.8V, f SW = 1MHz, Margin command change -10% to +10%
PGOOD (5V/div)
Time (500μs/div)
Slew-Down — CCM, 3A Load, EnIntLd=0/1
V IN = 5V, V OUT = 1.8V, f SW = 1MHz, Margin command change +10% to -10%
SCL (5V/div)
SCL (5V/div)
V OUT (100mV/div)
V OUT (100mV/div)
PGOOD (5V/div)
Time (500μs/div)
PGOOD (5V/div)
Time (500μs/div)
9
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