LTC6908CS6-1#PBF Linear Technology, LTC6908CS6-1#PBF Datasheet
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LTC6908CS6-1#PBF
Specifications of LTC6908CS6-1#PBF
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LTC6908CS6-1#PBF Summary of contents
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... When SSFM is enabled, the rate of modulation is selected by the user. The three possible modulation rates are f f /32 and f OUT , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners 100µF SV ...
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... V ≤ 0.3V) PIN Output Short Circuit Duration .......................... Indefi nite Operating Temperature Range (Note 2) LTC6908CS6-1/LTC6908CS6-2 ............ –40°C to 85°C LTC6908IS6-1/LTC6908IS6-2 .............. –40°C to 85°C LTC6908HS6-1/LTC6908HS6-2 ......... –40°C to 125°C LTC6908CDCB-1/LTC6908CDCB-2 ...... –40°C to 85°C LTC6908IDCB-1/LTC6908IDCB-2 ......... –40°C to 85°C U ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T noted. The modulation is turned off (MOD is connected to OUT2) unless otherwise specifi ed from the SET pin to the V pin. SYMBOL PARAMETER Δf Frequency Accuracy ...
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... These specifi cations are based on characterization. Note 8: Long term drift on silicon oscillators is primarily due to the movement of ions and impurities within the silicon and is tested at 30°C under otherwise nominal operating conditions. Long term drift is specifi ppm/√ ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Output Resistance vs Supply Voltage 500 T = 25°C A 450 400 OUTPUT SOURCING CURRENT 350 300 250 200 150 OUTPUT SINKING CURRENT 100 50 0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ...
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LTC6908-1/LTC6908 CTIO S (DCB Package/S6 Package) SET (Pin 1/Pin 3): Frequency-Setting Resistor Input. The value of the resistor connected between this pin and V determines the oscillator frequency. The voltage on this pin is held ...
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U OPERATIO As shown in the Block Diagram, the LTC6908’s master oscillator is controlled by the ratio of the voltage between + the V and SET pins and the current entering the SET pin (I ). When the spread spectrum ...
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LTC6908-1/LTC6908-2 U OPERATIO in conducted EMI results due to the reduced levels of input and output ripple currents. The LTC6908-1 is ideal for use with two single output switching regulators. The quadrature outputs of the LTC6908-2, together with two dual ...
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U U APPLICATIO S I FOR ATIO SELECTING THE FREQUENCY-SETTING RESISTOR The LTC6908 has an output frequency range spanning 50kHz to 10MHz. However, accuracy may suffer if the oscillator is operated at a frequency greater than 5MHz with a supply ...
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... SYNC, PLLIN, SYNC/MODE, SHDN, EXTCLK, FCB and S/S (shorthand for SYNC/SHDN) are examples of clock input pin names used with Linear Technology ICs. For the best EMC performance, the LTC6908 should be run with the MOD pin tied to ground (SSFM enabled, modulation rate set to f /16) ...
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U U APPLICATIO S I FOR ATIO and load response are maintained while peak electromag- netic radiation (or conduction) is reduced. Output ripple may be somewhat increased, but its behavior is very much like noise and its system impact is ...
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LTC6908-1/LTC6908-2 U TYPICAL APPLICATIO 3.3V C IN1 100µF × SVIN1 SVIN1 1µF 100Ω X7R V IN 2.8V TO 5.5V C BYP + V OUT1 LTC6908-1 0.1µF GND OUT2 90.9k SET MOD f = 10MHz • ...
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U TYPICAL APPLICATIO S 150kHz FREQUENCY (3MHz/DIV) Figure 8b. Output Frequency Spectrum of Two-Phase Regulator, Figure 8a, with SSFM Disabled 150kHz FREQUENCY (3MHz/DIV) Figure 8c. Output Frequency Spectrum of Two-Phase Regulator, Figure 8a, with SSFM Enabled LTC6908-1/LTC6908-2 RES BW = ...
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LTC6908-1/LTC6908-2 PACKAGE DESCRIPTIO 1.65 ±0.05 3.55 ±0.05 (2 SIDES) 2.15 ±0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF 14 U DCB Package 6-Lead Plastic DFN (2mm × 3mm) (Reference LTC DWG ...
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... MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. U ...
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... High Frequency, 100µs Startup, 7ps RMS Jitter No Trim Components Required 10kHz to 1MHz or 40kHz to 4MHz, 36µA at 400kHz ● www.linear.com Doubling the Output Frequency + V OUT1 LTC6908-2 GND OUT2 NC7SZ86 SET MOD 690812 TA05b SPI Interface LT 0506 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2006 OUT 690812fa ...