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参数资料
| 型号： | SSL21084T/1,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 7/23页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER 600V SW 12-SOIC |
| 标准包装： | 1 |
| 系列： | GreenChip™ |
| 拓扑： | PWM，降压（降压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，通用 |
| 频率： | 25kHz ~ 200kHz |
| 电源电压： | 8 V ~ 14 V |
| 输出电压： | 600V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽）12 引线 |
| 供应商设备封装： | 12-SO |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 其它名称： | 568-9561-6 |
NXP Semiconductors
SSL21081T/2T/3T/4T
GreenChip drivers for LED lighting
A valley is detected and accepted if both the frequency of the oscillations and the voltage
swing are within the range specified (f ring and ? V vrec(min) ) for detection. If a valid valley is
not detected, the secondary stroke is continued until the maximum off-time (t off(high) ) is
reached, then the next cycle is started.
V GATE
internal MOSFET switch
V OUT
V D
V IN
valley
0
I L
0
magnetization
demagnetization
1
2
3
4
t 0
t 1
t 2
t 3
t 00
T
001aan699
Fig 5.
Buck waveforms and valley detection
8.4 Protective features
The IC has the following protective features:
?
?
?
?
?
?
?
?
UnderVoltage LockOut (UVLO)
Leading-Edge Blanking (LEB)
OverCurrent Protection (OCP)
Internal OverTemperature Protection (OTP)
Brownout protection
Short-Winding Protection (SWP)
Output Short Protection (OSP)
LED overtemperature control and protection
The SWP and the OSP are latched protections. These protections cause the IC to halt
until a reset (a result of power cycling) is executed. When V CC drops lower than V CC(rst) ,
the IC resets the latch protection mode. The internal OTP and LED over temperature
protections are safe-restart protections. The IC halts, causing V CC to fall lower than
V CC(stop) , and instigates start-up. Switching starts only when no fault condition exists.
SSL21081T_2T_3T_4T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3.1 — 22 February 2012
? NXP B.V. 2012. All rights reserved.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SSL2108X/UBA3070 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:NXP LED照明解决方案快速入门指导 |
| SSL2109 | 制造商:NXP Semiconductors 功能描述: |
| SSL2109AT/1,118 | 制造商:NXP Semiconductors 功能描述:LED DRVR 9V/12V 8-Pin SO T/R 制造商:NXP Semiconductors 功能描述:SSL2109AT/SO8/REEL13//1 - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC GREENCHIP CTLR FOR LED 8SOIC |
| SSL2109DB01 | 功能描述:开发板和工具包 - 其他处理器 230 V 23 W BUCK REFERENCE DESIGN RoHS:否 制造商:Freescale Semiconductor 产品:Development Systems 工具用于评估:P3041 核心:e500mc 接口类型:I2C, SPI, USB 工作电源电压: |
| SSL2109DB01,598 | 功能描述:开发板和工具包 - 其他处理器 230 V 23 W BUCK REFERENCE DESIGN RoHS:否 制造商:NXP Semiconductors 产品:Demonstration Boards 工具用于评估:SSL2109 核心: 接口类型: 工作电源电压:200 VAC to 250 VAC |
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