LDS8620
200 mA, Dual Output LED Flash/Lamp Driver
FEATURES
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Multi-mode charge pump: 1-x, 1.5-x, 2-x
Ultra low dropout PowerLite ? Current
Regulator*
Drives two high-current LEDs up to 96 mA
each
1-wire LED current programming
Power efficiency up to 95%
Low noise input ripple in all modes
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Low current shutdown mode
Soft start and current limiting
Short circuit protection
Thermal shutdown protection
Tiny 3 x 3 x 0.8 mm 16-pin TQFN package
voltage that can drive up to two high-current LEDs.
The ultra low dropout PowerLite ? Current Regulator
increases device’s efficiency up to 95%.
The EN/SET logic input functions as a chip enable
and a current setting interface.
APPLICATION
LED driver is programmable over a one wire digital
interface from 1.5 to 96 mA in 1.5 mA steps. LEDs
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LED Light Supply for Smart Phones, PDAs,
and Cell Phones
LED Flashlights
LED Flash/Strobe Applications
may be turned on/off or programmed separately
Low noise input ripple is achieved by operating at a
constant switching frequency which allows the use of
small external ceramic capacitors. The multi-
fractional charge pump supports a wide range of
DESCRIPTION
The LDS8620 is a high efficiency multi-mode
fractional charge pump with ultra low feedback
TYPICAL APPLICATION CIRCUIT
input voltages from 2.7 V to 5.5 V.
The device is available in in 16-lead TQFN 3mm x
3mm package with a max height of 0.8 mm.
? 2009 IXYS Corp.
Characteristics subject to change without notice
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Doc. No. 8620DS, Rev. N1.1
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相关代理商/技术参数
LDS8621-002-T2 功能描述:LED照明驱动器 200mA Dual Output Flash/Lamp Drvr 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
LDS8621002-T2-960 功能描述:IC LED DRIVER FLASH 16WQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:PowerLite™ 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C
LDS8640-002-T3 功能描述:LED照明驱动器 400mA Dual Output Flash/Lamp Drvr 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
LDS8640-008-T2 功能描述:IC LED DRIVER 200MA 16WQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:PowerLite™ 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C
LDS8641-002-T4 功能描述:LED照明驱动器 400mA Dual Output Flash/Lamp Drvr 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
LDS8641-008-T2 功能描述:IC LED DRIVER 200MA 16WQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:PowerLite™ 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C
LDS8680-002-T5 功能描述:LED照明驱动器 800mA Dual Output Flash/Lamp Drvr 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
LDS8680008-T2 功能描述:IC LED DRIVER PHOTO FLASH 16WQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:PowerLite™ 标准包装:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性(LDO),PWM,升压(升压) 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB,白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C