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FAN5345S30X Folha de dados(PDF) 1 Page - Fairchild Semiconductor |
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FAN5345S30X Folha de dados(HTML) 1 Page - Fairchild Semiconductor |
1 / 14 page September 2011 © 2011 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN5345 • Rev. 1.0.0 FAN5345 Series Boost LED Driver with Single-Wire Digital Interface Features Asynchronous Boost Converter Drives LEDs in Series: FAN5345S20X: 20V Output FAN5345S30X: 30V Output 2.5V to 5.5V Input Voltage Range Single-Wire Digital Control Interface to Set LED Brightness Levels 32 Linear Steps 1.2MHz Fixed Switching Frequency Soft-Start Capability Input Under-Voltage Lockout (UVLO) Output Over-Voltage Protection (OVP) Short-Circuit Detection Thermal Shutdown (TSD) Protection Small Form-Factor 6-Lead SSOT23 Package Applications Cellular Mobile Handsets Mobile Internet Devices Portable Media Players PDA, DSC, MP3 Players Description The FAN5345 is an asynchronous constant-current LED driver that drives LEDs in series to ensure equal brightness for all the LEDs. FAN5345S20X has an output voltage of 20V and can drive up to 5 LEDs in series. FAN5345S30X has an output voltage of 30V and drive up to 8 LEDs in series. Optimized for small form-factor applications, the 1.2MHz fixed switching frequency allows the use of small inductors and capacitors. The FAN5345 uses a simple single-wire digital control interface to program the brightness levels of the LEDs in 32 linear steps by applying digital pulses. For safety, the device features integrated over-voltage, over- current, short-circuit detection, and thermal-shutdown protection. In addition, input under-voltage lockout protection is triggered if the battery voltage is too low. The FAN5345 is available in a 6-lead SSOT23 package. It is “green” and RoHS compliant. (Please see http://www.fairchildsemi.com/company/green/index.html for Fairchild’s definition of green). Ordering Information Part Number Output Voltage Option Temperature Range Package FAN5345S20X 20V -40 to 85°C 6-Lead, Super-SOT™-6, JEDEC MO-193, 1.6mm Wide (MA06A) FAN5345S30X 30V . |
Nº de peça semelhante - FAN5345S30X |
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Descrição semelhante - FAN5345S30X |
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