参数资料
型号: NCP1593AMNTWG
厂商: ON Semiconductor
文件页数: 8/13页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 10-DFN
标准包装: 3,000
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 0.6V
输入电压: 4 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 1MHz
电流 - 输出: 3A
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: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-DFN(3x3)
NCP1593A, NCP1593B
TYPICAL CHARACTERISTICS
(VIN = 5 V, VOUT = 1.8 V, IOUT = 3 A)
Upper Trace: Input Voltage, 5 V / div
Second Trace: Power Good Pin Voltage, 5 V / div
Third Trace: Output Voltage, 2 V / div
Lower Trace: Inductor Current, 2 A / div
Time = 1 ms / div
Figure 21. Power On from Input Voltage
(VIN = 5 V, VOUT = 1.8 V, IOUT = 3 A, no CSS)
Upper Trace: Enable Pin Voltage, 5 V / div
Second Trace: Power Good Pin Voltage, 5 V / div
Third Trace: Output Voltage, 2 V / div
Lower Trace: Inductor Current, 2 A / div
Time = 2 ms / div
Figure 23. Power On from Enable
(VIN = 5 V, VOUT = 1.8 V, IOUT = 3 A)
Upper Trace: Enable Pin Voltage, 5 V / div
Second Trace: Power Good Pin Voltage, 5 V / div
Third Trace: Output Voltage, 2 V / div
Lower Trace: Inductor Current, 2 A / div
Time = 200 m s / div
Figure 25. Power Off from Enable
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(VIN = 5 V, VOUT = 1.8 V, IOUT = 3 A)
Upper Trace: Input Voltage, 5 V / div
Second Trace: Power Good Pin Voltage, 5 V / div
Third Trace: Output Voltage, 2 V / div
Lower Trace: Inductor Current, 2 A / div
Time = 200 m s / div
Figure 22. Power Off from Input Voltage
(VIN = 5 V, VOUT = 1.8 V, IOUT = 3 A, CSS = 4.7 nF)
Upper Trace: Enable Pin Voltage, 5 V / div
Second Trace: Power Good Pin Voltage, 5 V / div
Third Trace: Output Voltage, 2 V / div
Lower Trace: Inductor Current, 2 A / div
Time = 2 ms / div
Figure 24. Power On from Enable CSS = 4.7 n
(VIN = 5 V, VOUT = 1.8 V, IOUT = Current Limit, no CSS)
Upper Trace: LX Pin Voltage, 5 V / div
Middle Trace: Output Voltage, 2 V / div
Lower Trace: Inductor Current, 2 A / div
Time = 500 m s / div
Figure 26. Short Circuit Operation
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