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| 型号： | NCP5006EVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 23/24页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP5006 |
| 设计资源： | NCP5006 Demo Board BOM NCP5006EVB Gerber Files NCP5006 Demo Board Schematic |
| 标准包装： | 1 |
| 电流 - 输出 / 通道： | 15mA |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 22V |
| 输入电压： | 3.6V |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP5006 |
| 其它名称： | NCP5006EVBOS |
NCP5006
FIGURES INDEX
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Typical Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Basic DC/DC Converter Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Basic DC/DC Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Maximum Output Power as a Function of the Battery Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical Inductor Peak Current as a Function of V bat Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Maximum Output Current as a Function of V bat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Output Current Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Basic Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Overall Efficiency vs. Power Supply @ I out = 4.0 mA, L = 22 m H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Overall Efficiency vs. Power Supply @ I out = 10 mA, L = 22 m H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Overall Efficiency vs. Power Supply @ I out = 15 mA, L = 22 m H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Overall Efficiency vs. Power Supply @ I out = 20 mA, L = 22 m H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Overall Efficiency vs. Power Supply @ I out = 40 mA, L = 22 m H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Feedback Voltage Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Feedback Voltage Variation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Standby Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Typical Operating Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Overvoltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Typical Power Up Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Typical Start?Up Inductor Current and Output Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Typical Inductor Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Typical Output Voltage Ripple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Typical Output Peak Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Efficiency as a Function of V bat and Inductor ESR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Noise Returned to the Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Relative EMI Over 100 kHz?30 MHz Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Basic DC Current Mode Operation with Analog Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Basic DC Current Mode Operation with PWM Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Operation with Analog PWM, f = 10 kHz, DC = 25% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Typical Semi?Pulsed Mode of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operation @ PWM = 10 kHz, DC = 10% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Operation @ PWM = 10 kHz, DC = 25% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Magnified View of Operation @ PWM = 10 kHz, DC = 25% . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Output Current as a Function of the Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Examples of Possible LED Arrangements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
NCP5006 Demo Board Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
NCP5006 Demo Board PCB: Top Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
NCP5006 Demo Board PCB: Bottom Layer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
NCP5006 Demo Board Top Silkscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
NOTE CAPTIONS INDEX
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This device series contains ESD protection and exceeds the following tests . . . . . . . . . . . . . . . . . . . . . . . . .
The maximum package power dissipation limit must not be exceeded . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Latch?up current maximum rating: " 100 mA per JEDEC standard: JESD78 . . . . . . . . . . . . . . . . . . . . . . . .
Moisture Sensivity Level (MSL): 1 per IPC/JEDEC standard: J?STD?020A . . . . . . . . . . . . . . . . . . . . . . . .
The overall tolerance depends upon the accuracy of the external resistor . . . . . . . . . . . . . . . . . . . . . . . . . . .
ABBREVIATIONS
EN
FB
POR
Enable
Feed Back
Power On Reset: Internal pulse to reset the chip when the power supply is applied
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相关代理商/技术参数 |
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| NCP5006SNT1 | 功能描述:LED照明驱动器 White LED Backlight RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| NCP5006SNT1G | 功能描述:LED照明驱动器 White LED Backlight Boost RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| NCP5007 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Compact Backlight LED Boost Driver |
| NCP5007/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Compact Backlight LED Boost Driver |
| NCP5007_06 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Compact Backlight LED Boost Driver |
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