LTC3206EUF Linear Technology, LTC3206EUF Datasheet
LTC3206EUF
Specifications of LTC3206EUF
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LTC3206EUF Summary of contents
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... Tiny, Low Profile 24-Lead (4mm × 4mm × 0.75mm) QFN Package U APPLICATIO S ■ Cellular Phones ■ Wireless PDAs Multidisplay Handheld Devices ■ , LTC and LT are registered trademarks of Linear Technology Corporation trademark of Philips Electronics N.V. * U.S. Patent 6,411,531 U TYPICAL APPLICATIO 2.2µF 2.2µF V ...
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... LED MAIN-MAIN, MAIN-AUX, SUB-SUB, SUB-AUX 25µA < I < 75µA RGB RED, GREEN, BLUE Voltage = 1V 1.5x Mode Switch Threshold 20mA LED 4.2V (Note 3) IN CPO U W ORDER PART TOP VIEW NUMBER LTC3206EUF 1 18 BLUE 2 17 GREEN RED CPO 6 13 SGND ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER CPO Regulation Voltage CLK Frequency SDA, SCL, ENRGB/S V Low Level Input Voltage IL V High Level Input Voltage IH I Input Current IH I Input Current IL V ...
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LTC3206 W U TYPICAL PERFOR A CE CHARACTERISTICS 1x Mode Switch Resistance vs Temperature 0 100mA CPO 0 3. 3. 3.9V IN 0.6 0.5 –40 – ...
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CTIO S SUB1, SUB2 (Pins 1, 2): Current Source Outputs for the SUB Display White LEDs. The current for the SUB display is controlled by the resistor on the I MS SUB display can be ...
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LTC3206 W BLOCK DIAGRA RGB SGND ENRGB/S 10 STOP SDA 8 SCL 9 U OPERATIO Power Management To optimize efficiency, the power management section of the LTC3206 provides ...
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U OPERATIO The 1.5x step-up charge pump uses a patented constant frequency architecture to combine the best efficiency with the maximum available power at the lowest noise level. The charge pump of the LTC3206 can be forced to come on ...
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LTC3206 U OPERATIO Byte Format Each byte sent to the LTC3206 must be 8 bits long followed by an extra clock cycle for the Acknowledge bit to be returned by the LTC3206. The data should be sent to the LTC3206 ...
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DIAGRA LTC3206 3206f 9 ...
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LTC3206 U U APPLICATIO S I FOR ATIO White LED Brightness Control The White LED displays (MAIN, SUB and AUX) have 16 individual brightness settings. The settings are exponen- tially spaced to compensate for the nearly logarithmic characteristic of human ...
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U U APPLICATIO S I FOR ATIO The RED, GREEN and BLUE pins can also enable the charge pump, however, since they each have individual disable control they can be left floating or grounded if unused. RGB Illuminator Brightness Control ...
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LTC3206 U U APPLICATIO S I FOR ATIO where f is the LTC3206’s oscillator frequency (typically OSC 960kHz) and C is the output charge storage capacitor CPO on CPO. Both the style and value of the output capacitor can significantly ...
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U U APPLICATIO S I FOR ATIO Table 4 shows a list of ceramic capacitor manufacturers and how to contact them: Table 4. Recommended Capacitor Vendors AVX www.avxcorp.com Kemet www.kemet.com Murata www.murata.com Taiyo Yuden www.t-yuden.com Vishay www.vishay.com For very light ...
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LTC3206 U U APPLICATIO S I FOR ATIO Once an LED pin drops out, the LTC3206 switches into step-up mode. Employing the fractional ratio 1.5x charge pump, the LTC3206 provides more efficiency than would be achieved with a voltage doubling ...
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... RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... DC/DC Converter LTC3440 600mA (I ), 2MHz Synchronous Buck-Boost OUT DC/DC Converter LT3465/LT3465A 1.2MHz/2.7MHz with Internal Schottky ThinSOT is a trademark of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● 5-LED Main Plus Low/High Current Camera Light 2.2µ ...