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LM36011 数据表(PDF) 9 Page - Texas Instruments |
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LM36011 数据表(HTML) 9 Page - Texas Instruments |
9 / 26 page Thermal Current Scale Back +125 oC Thermal Shutdown +150 oC IN I 2C Interface SDA SCL Control Logic/ Registers GND LED STROBE UVLO Input Voltage Flash Monitor IN Copyright © 2017, Texas Instruments Incorporated 9 LM36011 www.ti.com SNVSAN5 – JULY 2017 Product Folder Links: LM36011 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 7 Detailed Description 7.1 Overview The LM36011 is a high-power white LED flash driver capable of delivering up to 1.5 A to the LED over the 2.5-V to 5.5-V input voltage range. The device has one logic input for a hardware flash enable (STROBE). This logic input has an internal 300-kΩ (typical) pulldown resistor to GND. Additional features of the device include an input voltage monitor that can reduce the flash current during low VIN conditions and a temperature based current scale-back feature that forces the flash current to the set torch level if the on-chip junction temperature reaches 125°C. Control is done via an I2C-compatible interface. This includes adjustment of the flash and torch current levels, and changing the flash time-out duration. Additionally, there are flag and status bits that indicate flash current time-out, LED over-temperature condition, LED failure (open/short), device thermal shutdown, thermal current scale-back, and VIN undervoltage conditions. 7.2 Functional Block Diagram |
类似零件编号 - LM36011 |
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类似说明 - LM36011 |
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