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| 型号： | NCP5603GEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/13页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP5603G HI FREQ |
| 设计资源： | NCP5603 EVB BOM NCP5603GEVB Gerber Files NCP5603 EVB Schematic |
| 标准包装： | 1 |
| 电流 - 输出 / 通道： | 160mA |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 4.5 ~ 5 V |
| 特点： | 可调光 |
| 输入电压： | 3V or 3.6V |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP5603 |
| 其它名称： | NCP5603GEVBOS |
NCP5603
PIN FUNCTION DESCRIPTION
Pin
1
Symbol
V out
Type
OUTPUT, PWR
Description
This pin supplies the regulated voltage to the external LED. Since high current transients
are present in this pin, care must be observed to avoid voltage spikes in the system. Good
high frequency layout technique must be observed.
2
C1N
POWER
One side of the external charge pump capacitor (C FLY ) is connected to this pin, associated
with C1P, pin 9. Using low ESR ceramic capacitor is recommended to optimize the Charge
Pump efficiency.
3
4
V bat
Fsel
POWER
INPUT, Digital
This pin shall be connected to the power source, and must be decoupled to Ground by a
low ESR capacitor (2.2 m F/6.3 V ceramic or better (see Note 1)).
This pin is used to program the operating frequency:
Fsel = 0 → Fop = 262 kHz
Fsel = 1 → Fop = 650 kHz
5
Vsel
INPUT, Digital
This pin setup the output voltage:
Vsel = 0 → V out = 4.5 V
Vsel = 1 → V out = 5.0 V
6
EN/PWM
INPUT, Digital
This pin controls the activity of the NCP5603 chip:
EN/PWM = Low → the chip is deactivated, the load is disconnected
EN/PWM = High → the chip is activated and the load is connected to the
regulated output current.
The NCP5603 can operate either in a continuous mode (EN/PWM = High), or can be
controlled by a PWM pulse applied to EN/PWM to dim the output light. When EN/PWM is
Low, the external load is disconnected from the converter, providing a very low standby
current. The pull down built-in resistance makes sure the chip is deactivated even if the
EN/PWM pin is disconnected (see Note 2).
7
C2N
POWER
One side of the external charge pump capacitor (C FLY ) is connected to this pin, associated
with C2P, pin 10. Using low ESR ceramic capacitor is recommended to optimize the
Charge Pump efficiency.
8
GND
GROUND
This pin combines the Signal ground and the Power ground and must be connected to the
system ground. Using good quality ground plane is mandatory to avoid spikes on the logic
signal lines.
9
C1P
POWER
One side of the external charge pump capacitor (C FLY ) is connected to this pin, associated
with C1N, pin 2. Using low ESR ceramic capacitor is recommended to optimize the Charge
Pump efficiency.
10
C2P
POWER
One side of the external charge pump capacitor is connected to this pin, associated with
C2N, pin 7. Using low ESR ceramic capacitor is recommended to optimize the Charge
Pump efficiency.
1. Using ceramic 16 V working voltage capacitors is recommended to compensate the DC bias effect encountered with such type of capacitors.
2. Any external impedance connected to pin 6 shall be 10 k W or higher.
http://onsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP5603MNR2 | 功能描述:LED照明驱动器 4.5V/5.0V Hi Eff. 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 |
| NCP5603MNR2G | 功能描述:LED照明驱动器 4.5V/5.0V Hi Eff. White LED Driver 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 |
| NCP5603MNR2G-CUT TAPE | 制造商:ON 功能描述:NCP5603 Series 200 mA 5.5 V SMT High Efficiency Charge Pump Converter - DFN-10 |
| NCP5604A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:High Efficiency White LED Driver |
| NCP5604AAGEVB | 功能描述:电源管理IC开发工具 NCP5604 EVAL BRD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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