参数资料
型号: SC189ASKTRT
厂商: Semtech
文件页数: 13/24页
文件大小: 0K
描述: IC REG BUCK SYNC 1V 1.5A SOT23-5
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1V
输入电压: 2.9 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 2.5MHz
电流 - 输出: 1.5A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: SC-74A,SOT-753
包装: 标准包装
供应商设备封装: SOT-23-5
其它名称: SC189ASKDKR
SC189
Typical Waveforms ( continued)
Circuit Conditions: V OUT =1.0V (SC189AULTRT); L= 1uH (Murata: LQM2HPN1R0NG0L); C IN = 10uF/6.3V; C OUT = 22uF/6.3V (Murata: GRM21BR60J226M).
Output Voltage Ripple (V OUT =1.0V)
Output Voltage Ripple (V OUT =1.0V)
V OUT
10mV/div
I LX
500mA/div
Offset: 0A
V LX
2V/div
Output Voltage Ripple (V OUT =1.0V)
V OUT
10mV/div
I LX
1A/div
V LX
2V/div
Output Voltage Ripple (V OUT =1.0V)
V IN =3.3V
I OUT =0A
500ns/div
V IN =3.3V
I OUT =1.5A
500ns/div
Output Voltage Ripple (V OUT =1.0V)
Output Voltage Ripple (V OUT =1.0V)
V OUT
10mV/div
I LX
500mA/div
V LX
2V/div
Output Voltage Ripple (V OUT =1.0V)
V OUT
10mV/div
I LX
1A/div
V LX
2V/div
Output Voltage Ripple (V OUT =1.0V)
V IN =5.0V
I OUT =0A
500ns/div
V IN =5.0V
I OUT =1.5A
500ns/div
Transient Response (V OUT (V =1.0V)
Transient Response (V OUT (V =1.0V)
V OUT
20mV/div
I OUT
500mA/div
Transient Response OUT =1.0V)
V OUT
20mV/div
I OUT
500mA/div
Transient Response OUT =1.0V)
V IN =5.0V
I OUT =0A to 0.5A
? 2009 Semtech Corp.
50μs/div
13
V IN =5.0V
I OUT =0.5A to 1A
50μs/div
www.semtech.com
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相关代理商/技术参数
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SC189BEVB-2 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:2.5MHz, 1.5A Synchronous Step Down Regulator
SC189BEVB-3 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:2.5MHz, 1.5A Synchronous Step Down Regulator