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参数资料
| 型号： | SSL3250AHN/C1,528 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR PHOTO FLASH 16-HVQFN |
| 产品培训模块： | LED Controllers |
| 标准包装： | 1 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.08MHz ~ 1.32MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 9.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VFQFN 裸露焊盘 |
| 供应商设备封装： | 16-HVQFN |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | 568-4718-6 |
SSL3250A
Photo flash dual LED driver
Rev. 05 — 16 December 2009
Product data sheet
1. General description
The SSL3250A is a photo flash LED driver designed for battery operated mobile devices
such as mobile phones and PDAs. The boost converter delivers high performance and
drives a single or dual, high brightness LED at up to 500 mA with over 85 % efficiency.
The driver can be programmed to operate in Flash, Torch or Indicator / Video-on mode.
The small silicon size and the high internal switching frequency of 1.2 MHz minimize the
SSL3250A footprint making it very suitable for mobile phones where space is limited, and
only requiring four external components. Driving a high power flash LED within its safe
operating limits was a concern when the SSL3250A was designed, so a time-out function
can be programmed via the I 2 C interface, which will prevent overstressing the LED. Due
to the specific requirements of a mobile phone, the flash current can be rapidly lowered
during RF transmit by using optional external setting resistors.
2. Features
High power single, or dual, LED output driving up to 500 mA flash current
Separate indicator LED output of 2.5 mA to 20 mA
Output voltage of up to 9.5 V
Wide input voltage range of 2.7 V to 5.5 V
High efficiency, over 85 % at optimum output current
Switching frequency of 1.2 MHz
Flash, Torch, and Indicator mode supported
Internally timed flash operation up to 820 ms
I 2 C-bus, programmable up to 400 kHz
Strobe signal to avoid I 2 C latency for flash
Discrete enable signals for stand-alone operation
Optional resistor configurable output currents
Fast response to accommodate external TxMasking functionality
Soft start in Torch and Flash modes to avoid battery overloading
Integrated protection circuits for enhanced system reliability
Internal time-out function
OverTemperature Protection (OTP)
UnderVoltage LockOut (UVLO)
OverVoltage Protection (OVP)
Output current protection
Interrupt signaling to system controller
Low device shut-down current, less than 1 μ A
SOT758-3, thermally enhanced 16 terminal HVQFN package
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SSL3252 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Smart, simple solutions for the 12 most common design concerns |
| SSL3252UK/C2,515 | 功能描述:LED照明驱动器 Photo flash 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 |
| SSL33 | 功能描述:肖特基二极管与整流器 Low VF 3Amp 30v SMD Schottky Rect RoHS:否 制造商:Skyworks Solutions, Inc. 产品:Schottky Diodes 峰值反向电压:2 V 正向连续电流:50 mA 最大浪涌电流: 配置:Crossover Quad 恢复时间: 正向电压下降:370 mV 最大反向漏泄电流: 最大功率耗散:75 mW 工作温度范围:- 65 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-143 封装:Reel |
| SSL33 R6 | 制造商:SKMI/Taiwan 功能描述:Diode Schottky 30V 3A 2-Pin SMC T/R |
| SSL34 | 功能描述:肖特基二极管与整流器 Low VF 3Amp 40v SMD Schottky Rect RoHS:否 制造商:Skyworks Solutions, Inc. 产品:Schottky Diodes 峰值反向电压:2 V 正向连续电流:50 mA 最大浪涌电流: 配置:Crossover Quad 恢复时间: 正向电压下降:370 mV 最大反向漏泄电流: 最大功率耗散:75 mW 工作温度范围:- 65 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-143 封装:Reel |
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