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参数资料
| 型号： | NCP1421LEDEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 8/14页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP1421LED |
| 设计资源： | NCP1421LEDEVB BOM NCP1421LEDEVB Schematic NCP1421LEDEVB Gerber Files |
| 标准包装： | 1 |
| 电流 - 输出 / 通道： | 600mA |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 3.5V |
| 输入电压： | 3.6V |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP1421 |
| 其它名称： | NCP1421LEDEVBOS |
NCP1421
TYPICAL OPERATING CHARACTERISTICS
(V IN = 2.5 V, V OUT = 3.3 V, I LOAD = 50 mA; L = 5.6 m H, C OUT = 22 m F)
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at Lx pin, 1.0 V/Division
Figure 20. Discontinuous Conduction Mode
Switching Waveform
(V IN = 1.5 V to 2.5 V; L = 5.6 m H, C OUT = 22 m F, I LOAD = 100 mA)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V IN, 1.0 V/Division
Figure 22. Line Transient Response for V OUT = 3.3 V
(V OUT = 3.3 V, I LOAD = 50 mA to 500 mA; L = 5.6 m H, C OUT = 22 m F)
Upper Trace: Output Voltage Ripple, 50 mV/Division
Lower Trace: Load Current, I LOAD , 500 mA/Division
Figure 24. Load Transient Response For V IN = 2.5 V
(V IN = 2.5 V, V OUT = 3.3 V, I LOAD = 500 mA; L = 5.6 m H, C OUT = 22 m F)
Upper Trace: Output Voltage Ripple, 20 mV/Division
Lower Trace: Voltage at LX pin, 1.0 V/Division
Figure 21. Continuous Conduction Mode
Switching Waveform
(V IN = 1.5 V to 2.5 V; L = 5.6 m H, C OUT = 22 m F, I LOAD = 100 mA)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Battery Voltage, V IN, 1.0 V/Division
Figure 23. Line Transient Response For V OUT = 5.0 V
(V OUT = 5.0 V, I LOAD = 50 mA to 500 mA; L = 5.6 m H, C OUT = 22 m F)
Upper Trace: Output Voltage Ripple, 100 mV/Division
Lower Trace: Load Current, I LOAD , 500 mA/Division
Figure 25. Load Transient Response For V IN = 3.0 V
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