AOZ1034DI Alpha & Omega Semiconductor Inc, AOZ1034DI Datasheet
AOZ1034DI
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AOZ1034DI Summary of contents
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General Description The AOZ1034 is a synchronous high efficiency, simple to use, 4A buck regulator. The AOZ1034 works from a 4.5V to 18V input voltage range, and provides continuous output current with an output voltage adjustable ...
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... Ordering Information Part Number Ambient Temperature Range AOZ1034DI AOZ1034PI 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 PGND 1 LX VIN 2 AGND 3 GND FB 4 5x4 DFN-8 (Top View) Pin Description Pin Number Exposed ...
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Block Diagram UVLO EN & POR Reference Softstart & Bias + 0.8V EAmp FB – COMP Short Circuit Detection Comparator + – 0.2V Absolute Maximum Ratings Exceeding the Absolute Maximum ratings may damage the device. Parameter Supply Voltage (V ) ...
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Electrical Characteristics T = 25° 12V 3.3V unless otherwise specified. Specifications in BOLD indicate a temperature range OUT -40°C to +85°C. Symbol Parameter V Supply Voltage IN V Input Under-voltage ...
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Typical Performance Characteristics Circuit of Figure 25° Light Load Operation 2ms/div Start Up to Full Load 1ms/div Rev. 1.1 September 2010 = 12V 3.3V unless otherwise specified. EN OUT Full ...
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Efficiency 100% 90% 80% 70% 60% 50% 40% 0 100% 90% 80% 70% 60% 50% 40% 0 Rev. 1.1 September 2010 Efficiency (V = 12V) vs. Load Current IN 5V OUTPUT 3.3V OUTPUT 1.8V OUTPUT 1.2V OUTPUT 0.5 1.0 1.5 ...
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Detailed Description The AOZ1034 is a current-mode step down regulator with integrated high-side PMOS switch and a low-side NMOS switch. It operates from a 4.5V to 18V input voltage range and supplies load current. Features include ...
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Table 1. Vo (V) R1 (kΩ) 0.8 1.0 1.2 4.99 1.5 10 1.8 12.7 2.5 21.5 3.3 31.1 5.0 52.3 The combination of R1 and R2 should be large enough to avoid drawing excessive current from the output, which will ...
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I (m) CIN_RMS I O 0.2 0 0.5 m Figure 2. I vs. Voltage Conversion Ratio CIN For reliable operation and best performance, the input capacitors must have current rating higher than I at worst ...
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Output ripple voltage specification is another important factor for selecting the output capacitor buck converter circuit, output ripple voltage is determined by inductor value, switching frequency, output capacitor value and ESR. It can be calculated by the equation ...
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To design the compensation circuit, a target crossover frequency f for close loop must be selected. The system C crossover frequency is where control loop has unity gain. The crossover is the also called the converter bandwidth. Generally a higher ...
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... The AOZ1034DI comes in a standard 5x4 DFN-8 or exposed pad SO-8 package. Several layout tips are listed below for the best electric and thermal performance. 1. The LX pins are connected to internal PFET and NFET drains. They are low resistance thermal conduction path and most noisy switching node. ...
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Package Dimensions, 5x4 DFN-8 D aaa C TOP VIEW ccc C A ddd SIDE VIEW RECOMMENDED LAND PATTERN Notes: 1. Dimensions and tolerancing conform to ASME Y14.5M-1994. 2. All dimensions are in millimeters. 3. The location of ...
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Tape Dimensions, 5x4 DFN-8 Tape UNIT: mm Package DFN 5x4 5.30 4.30 1.20 ±0.10 ±0.10 ±0.10 (12 mm) Leader/Trailer and Orientation Trailer Tape 300mm Min. Rev. 1.1 September 2010 ...
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Reel Dimensions, 5x4 DFN-8 Reel M Tape Size Reel Size M ø330 12mm ø330 +0.3 -4.0 6.45±0.05 6.2 8.9±0.1 14 REF 11.90 41.5 REF 43.00 44.5±0.1 10.0 A 2.00 6.50 Rev. 1.1 September 2010 12.40 2.40 ...
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Package Dimensions, Exposed Pad SO 7° (4x) B RECOMMENDED LAND PATTERN 3.70 2.20 2.71 2.87 0.80 1.27 0.635 UNIT: mm Notes: 1. Package body sizes exclude mold flash and gate burrs. 2. Dimension L is ...
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Tape and Reel Dimensions, Exposed Pad SO-8 Carrier Tape UNIT: mm Package A0 B0 SO-8 6.40 5.20 2.10 ±0.10 ±0.10 ±0.10 (12mm) Reel R UNIT: mm Tape Size Reel Size M 12mm ø330 ø330.00 ±0.50 Leader/Trailer ...
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Part Marking Fab & Assembly Location Fab & Assembly Location This datasheet contains preliminary data; supplementary data may be published at a later date. Alpha & Omega Semiconductor reserves the right to make changes at any time without notice. LIFE ...