aoz1083ci Alpha & Omega Semiconductor, aoz1083ci Datasheet
aoz1083ci
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aoz1083ci Summary of contents
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General Description The AOZ1083 is a high efficiency, simple to use, 1.2 A buck HB LED driver optimized for general lighting applications. The AOZ1083 operates from input voltage range and provides up to 1.2 ...
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... Ordering Information Part Number Ambient Temperature Range AOZ1083CI AOS Green Products use reduced levels of Halogens, and are also RoHS compliant. Please visit www.aosmd.com/web/quality/rohs_compliant.jsp Pin Configuration Pin Description Pin Number Pin Name 1 BST Bootstrap voltage input. High side driver supply. Connected capacitor between BST and LX ...
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Absolute Maximum Ratings Exceeding the Absolute Maximum Ratings may damage the device. Parameter Supply Voltage (V ) VIN LX to GND DIM to GND FB to GND BST to AGND Junction Temperature ( Storage Temperature ( ...
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Block Diagram OTP Detect DIM Softstart DIM Detection FB – 0.28V + Error Amplifier Rev. 1.0 July 2011 VIN Low Voltage Regulator Current Sense CLK OSC PWM + Logic – PWM Comparator OC Detect GND www.aosmd.com AOZ1083 BST BST LDO ...
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Typical Performance Characteristics Circuit of Figure Load = 1 W White LED unless otherwise specified. VIN Steady State Test 500ns/div Dimming Shutdown Test 5ms/div LED Short Protection 50μs/div Rev. 1.0 July 2011 Dimming Startup Test ...
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Detailed Description The AOZ1083 is a high efficiency, simple to use, 1.2 A buck HB LED driver optimized for general lighting applications. Features include enable control, under voltage lock-out, internal soft-start, output over-voltage protection, over-current protection and thermal shut down. ...
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Application Information The basic AOZ1083 application circuit is shown in Figure 1. Component selection is explained below. Input Capacitor The input capacitor must be connected to the VIN pin and PGND pin of the AOZ1083 to maintain steady input voltage ...
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The selected output capacitor must have a higher rated voltage specification than the maximum desired output voltage including ripple. De-rating needs to be considered for long term reliability. Output ripple voltage specification is another important factor for selecting the output ...
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The actual junction temperature can be calculated with power dissipation in the AOZ1281 and thermal impedance from junction to ambient. T junction ( = – – total_loss diode_loss inductor_loss + T amb The maximum junction temperature of ...
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Package Dimensions, SOT23 RECOMMENDED LAND PATTERN 1.20 2.40 0.80 0.95 0.63 UNIT: mm Notes: 1. Package body sizes exclude mold flash and gate burrs. Mold flash at the non-lead sides should be less than 5 mils ...
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Tape and Reel Dimensions, SOT23-6 Tape Unit: mm Package SOT-23 3.15 3.27 1.34 ±0.10 ±0.10 ±0.10 Reel R Unit: mm Tape Size Reel Size ø180 ø180.00 ±0.50 Leader/Trailer and Orientation ...
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... Rev. 1.0 July 2011 AOZ1083CI (SOT23-6) Assembly Lot Code Week & Year Code Assembly Location Code 2 ...