A6285EET-T Allegro Microsystems Inc, A6285EET-T Datasheet
A6285EET-T
Specifications of A6285EET-T
Related parts for A6285EET-T
A6285EET-T Summary of contents
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Constant-Current Latched LED Driver with Open LED Detection and Dot Correction Features and Benefits ▪ 3.0 to 5.5 V logic supply range ▪ Schmitt trigger inputs for improved noise immunity ▪ Power-On Reset (POR) ▪ ...
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... The device is available in a 32-lead QFN (package ET), with an exposed thermal pad lead (Pb) free with 100% matte tin leadframe plating. Selection Guide Part Number A6285EET-T 5×5 mm QFN, 32 pin, exposed thermal pad A6285EETTR-T 5×5 mm QFN, 32 pin, exposed thermal pad Absolute Maximum Ratings Characteristic ...
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A6285 MODE 1 MODE 0 CLK MODE SDI MODE LE MODE TSD OE UVLO LOD 0 REXT Regulator GND Inputs and Outputs Equivalent Circuits (Note: Resistor values are equivalent resistance and not tested.) VDD CLK, SDI, LE, 500 Ω MODE, ...
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A6285 Terminal List Table Name Number Output Enable input. Active low. When O ¯ ¯ E ¯ = High, all OUTx outputs are forced OFF. When O ¯ ¯ E ¯ = Low, O ¯ ¯ E ¯ 30 ON/OFF ...
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A6285 ELECTRICAL CHARACTERISTICS Characteristic Logic Supply Voltage Range LED Load Supply Output Voltage Undervoltage Lockout Output Current Output to Output Matching Error 4 Load Regulation Output Leakage Current Logic Input Voltage Logic Input Voltage Hysteresis Logic Input Current SDO Voltage ...
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A6285 SWITCHING CHARACTERISTICS = 51 Ω (see table Characteristic Symbol Clock Frequency Clock Pulse Duration t wh0 Clock Frequency (cascaded) LE Pulse Duration Setup Time Hold Time ...
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A6285 100 (max) (mA) O Figure 4. Value of external reference resistor, REXT, versus channel Constant Output Current Characteristic Package Power Dissipation Package Thermal Resistance 1 Additional thermal information available on ...
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A6285 Setting Maximum Channel Current The maximum output current per channel is set by a single external resistor, REXT, which is placed between the REXT pin and PGND. The voltage on REXT set by an internal band ...
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A6285 The A6285 has graduated delay Delay Between Outputs circuits between outputs. The fixed delay time (typical). OUT0 has no delay, OUT1 has delay, OUT2 has delay, and so forth. This ...
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A6285 Figure 10 shows an example application with n cascaded A6285 devices connected to a controller. The maximum number of cascaded devices depends on the application system and the data transfer rate. The minimum data input transfer rate is calculated ...
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A6285 temperature 165°C (typical), all driver outputs will TSDF be turned off and a TSD fault will be flagged. The TSD flag will pull the FAULT output pin to PGND (low). After a 15°C (typi- cal) drop ...
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A6285 Load Supply Voltage (V ) LED These devices are designed to operate with driver voltage drops ( 1.0 to 3.0V, with one or more LED forward voltages 1 higher ...
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A6285 Package ET mm, 32-pin QFN with Exposed Thermal Pad 33X 0.08 C +0.05 0.25 –0.07 +0.15 0.40 –0. Copyright ©2007-2008, Allegro MicroSystems, Inc. The products described here are ...