参数资料
型号: NCP1421DMR2G
厂商: ON Semiconductor
文件页数: 8/14页
文件大小: 0K
描述: IC REG BST SYNC ADJ 0.6A 8MICRO
标准包装: 1
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.5 V ~ 5 V
输入电压: 1 V ~ 5 V
频率 - 开关: 1.2MHz
电流 - 输出: 600mA
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: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 标准包装
供应商设备封装: Micro8?
产品目录页面: 1128 (CN2011-ZH PDF)
其它名称: NCP1421DMR2GOSDKR
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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