参数资料
型号: NCP1597AGEVB
厂商: ON Semiconductor
文件页数: 7/13页
文件大小: 0K
描述: BOARD EVALUATION NCP1597A
设计资源: NCP1597AGEVB Schematic
NCP1597AGEVB BOM
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 最低可调至 0.8V
电流 - 输出: 2A
输入电压: 4 ~ 5.5 V
稳压器拓扑结构: 降压
频率 - 开关: 1MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: NCP1597A
其它名称: NCP1597AGEVBOS
NCP1597A
(V IN = 5 V, I LOAD = 100 mA, L = 3.3 m H, C OUT = 2 x 22 m F)
Upper Trace: L X Pin Switching Waveform, 2 V/div
Middle Trace: Output Ripple Voltage, 20 mV/div
Lower Trace: Inductor Current, 1 A/div
Time Scale: 1.0 m s/div
Figure 15. DCM Switching Waveform for
V OUT = 3.3 V
(V IN = 5 V, I LOAD = 100 mA, L = 3.3 m H, C OUT = 2 x 22 m F)
Upper Trace: L X Pin Switching Waveform, 2 V/div
Middle Trace: Output Ripple Voltage, 20 mV/div
Lower Trace: Inductor Current, 200 mA/div
Time Scale: 1.0 m s/div
Figure 17. DCM Switching Waveform for
V OUT = 1.2 V
(V IN = 5 V, I LOAD = 100 mA, L = 3.3 m H, C OUT = 2 x 22 m F)
Upper Trace: EN Pin Voltage, 2 V/div
Middle Trace: Output Voltage, 1 V/div
Lower Trace: Inductor Current, 100 mA/div
Time Scale: 500 m s/div
Figure 19. Soft ? Start Waveforms for V OUT = 3.3 V
(V IN = 5 V, I LOAD = 700 mA, L = 3.3 m H, C OUT = 2 x 22 m F)
Upper Trace: L X Pin Switching Waveform, 2 V/div
Middle Trace: Output Ripple Voltage, 20 mV/div
Lower Trace: Inductor Current, 1 A/div
Time Scale: 1.0 m s/div
Figure 16. CCM Switching Waveform for
V OUT = 3.3 V
(V IN = 5 V, I LOAD = 400 mA, L = 3.3 m H, C OUT = 2 x 22 m F)
Upper Trace: L X Pin Switching Waveform, 2 V/div
Middle Trace: Output Ripple Voltage, 20 mV/div
Lower Trace: Inductor Current, 1 A/div
Time Scale: 1.0 m s/div
Figure 18. CCM Switching Waveform for
V OUT = 1.2 V
(V IN = 5 V, I LOAD = 100 mA, L = 3.3 m H, C OUT = 2 x 22 m F)
Upper Trace: EN Pin Voltage, 2 V/div
Middle Trace: Output Voltage, 1 V/div
Lower Trace: Inductor Current, 100 mA/div
Time Scale: 500 m s/div
Figure 20. Soft ? Start Waveforms for V OUT = 1.2 V
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