a6280ees-t Allegro MicroSystems, Inc., a6280ees-t Datasheet
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a6280ees-t
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a6280ees-t Summary of contents
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Features and Benefits ▪ 3 × 10-bit PWM brightness settings ▪ 3 × 7-bit dot correction current settings ▪ operation ▪ Wide output current range 150 mA per channel ▪ Serial port/PWM clock operates ...
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... Architectural lighting ▪ High intensity monochrome displays ▪ Large video and graphic displays Selection Guide Part Number Packing* A6280EA-T 25 pieces/tube A6280EESTR-T 1500 pieces/reel *Contact Allegro for additional packing options. Absolute Maximum Ratings Characteristic Load Supply Voltage Output Voltage Output Current ...
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... Exposed thermal pad, not internally connected; connect externally to LGND and PGND. Programmable PWM Control SDO CO 100 ns One-Shot LO OEO Current Regulator 2 OUT2 PGND LGND REXT 1 12 OUT0 VREG 2 11 OUT1 PAD LGND 3 10 PGND VIN 4 9 OUT2 Package ES Description Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 3 ...
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... OUT = 150 mA – 10 OUT = 10 mA – 50 OUT = 150 mA – 100 OUT – 50 – 50 – 50 – 100 – – Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com Max. Units 5 4.5 V 4.0 V 5.4 V 165 3.0 V ±3 %/V 1.0 μ ...
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... P(OUT) t P(OUT) Outputs Off Outputs (OE) Figure 3. PWM Counter and Output Timing Programmable PWM Control D15 D14 D0 t P(SD O) D30 P(IO P(OUT) Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 5 ...
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... SDO 100 ns One-Shot LO Current Test Bit 30 Unused Bits “1” 7 Bits 1 Bit 2 Bits PWM Counter 2 Bit 30 10 Bits “0” OEO Current Regulator 2 OUT2 PGND LGND Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 6 ...
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... Figure 5. Output Current versus External Resistor, R Programmable PWM Control I (max) = 753. OUT EXT EXT (kΩ) EXT Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com . and I is OUT 65 75 EXT 7 ...
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... JTSD –∆T ( 15°C typical). The JTSD PWM Counter 2 Address “0” Dot Correction ATB ATB Address “1” Register 2 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com + V × the OUTi a 8 ...
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... Alternatively, series resistors can be added to dissipate the extra power and keep the output voltage within the recommended range. 3-Channel Constant-Current LED Driver Programmable with above 3 V, the power PWM Control 9 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com ...
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... This will ensure that the setup time at the last pixel in the chain is at least 20 ns. CI(1) to CI(n) is the setup time for signals ( PWM Control , at the × LI(1) to LI( Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 10 ...
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... PWM Control Red V On LEDs OEO A6280 LO SDO 1 μF Maximum of 10 kΩ 250 pixels X5R OEO A6280 LO SDO Maximum of 1 μF 5 kΩ 250 pixels 10 V Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 11 ...
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... EIA/JEDEC Standard JESD51-5) D Coplanarity includes exposed thermal pad and terminals Programmable PWM Control 0.010 0.430 0.300 0.30 0.50 0. 1.70 3.10 1.70 3.10 C PCB Layout Reference View Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com 12 ...
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... The in for ma tion in clud ed herein is believed rate and reliable. How ev er, Allegro MicroSystems, Inc. assumes no re spon si bil i ty for its use; nor for any in fringe ment of patents or other rights of third parties which may result from its use. ...