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| 型号： | NCP5612GEVB |
| 厂商： | ON Semiconductor |
| 文件页数： | 8/11页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR NCP5612G |
| 设计资源： | NCP5612 EVB BOM NCP5612GEVB Gerber Files NCP5612 EVB Schematic NCP5612 BOM - V1.0 |
| 标准包装： | 1 |
| 电流 - 输出 / 通道： | 60mA |
| 输出及类型： | 2，非隔离 |
| 输出电压： | 4.8 ~ 5.7 V |
| 特点： | 亮度控制 |
| 输入电压： | 3.6V |
| 已供物品： | 板 |
| 已用 IC / 零件： | NCP5612 |
| 其它名称： | NCP5612GEVBOS |
NCP5612
? The first four positive going pulses are used to control
the ICON (LED2):
1. Pulse #1 3 ICON = 100 m A
2. Pulse #2 3 ICON = 150 m A
3. Pulse #3 3 ICON = 250 m A
4. Pulse #4 3 ICON = 450 m A
? The fifth positive pulse will clear the ICON and
activate the normal operation of LED1 and LED2
? The pulses from the fifth to the twentieth will increase
the LED current according to a pseudo logarithmic
scale (see Figure 9).
? Any pulses beyond the twentieth will not make change
to the LED current if the delay between the pulses is
shorter than 75 m s.
? The system returns to zero if a pulse, delayed by
200 m s – T dst – , follows the twentieth one and the
cycle restart from the beginning.
Once the expected LED current value is reached, the
CNTL pin must stay High to store the new data and
maintain the LED active.
The contain of the counter is stored into the internal LED
registers at the end of the built?in 200 m s typical delay: no
action will take place during the end of the last positive
going pulse and the end of the T dst delay. Such a protocol
prevent the system for broken transmission.
On the other hand, in order to avoid corrupted data
transmission, the High level shall be 75 m s maximum
during a given data frame. Consequently, the pulse
frequency is bounded by a 13 kHz minimum and a 400 kHz
maximum.
Start Bit
Negative going edge
Clear counter
Example #1: CNTL
LED1= 0 mA
LED2 = ICON
T dst
T EL
Pulse count
1
2
3
ICON = 250 m A
T EH max 75 m s when clocked
Shut down mode
LED1=LED0= 0 mA
Example #2: CNTL
LED1= 6 mA
LED2 = 6 mA
T EH
T dst
Pulse count
1
2
3
4
5
6
7
8
9
10
ICON = disabled
LED1=LED2 = 6 mA
T dst
Example #3: CNTL
LED1= 30 mA
LED2 = 30 mA
Pulse count 1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
ICON = disabled
Note: timings are not scaled.
LED1=LED2 = 30 mA
LED1=LED2 = 0 mA
Figure 8. Basic NCP5612 Programming Sequence
http://onsemi.com
8
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| NCP5612MUTBG | 功能描述:LED照明驱动器 WHITE LED DRIVER- 2LED-SW 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 |
| NCP561SN15T1 | 功能描述:低压差稳压器 - LDO 1.5V 150mA CMOS RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCP561SN15T1G | 功能描述:低压差稳压器 - LDO 1.5V 150mA CMOS w/Enable RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCP561SN18T1 | 功能描述:低压差稳压器 - LDO 1.8V 150mA CMOS RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCP561SN18T1G | 功能描述:低压差稳压器 - LDO 1.8V 150mA CMOS w/Enable RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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