aoz1025di Alpha & Omega Semiconductor, aoz1025di Datasheet

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General Description The AOZ1025D is a high efficiency, simple to use, buck regulator, capable with an external low side MOSFET. The AOZ1025D works from a 4.75V to 16V input voltage range, The AOZ1025D comes in a ...

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... Ordering Information Part Number Ambient Temperature Range AOZ1025DIL -40°C to +85°C 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 LX PWM output connection to inductor. Thermal connection for output stage. ...

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Block Diagram UVLO EN & POR Reference Softstart & Bias + 0.8V EAmp FB – COMP Frequency Foldback Comparator + – 0.2V PGOOD + 0.72V – Over Voltage Comparator 0.96V – 0.86V + Absolute Maximum Ratings Exceeding the Absolute Maximum ...

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Electrical Characteristics T = 25° 12V 1.2V unless otherwise specified OUT Symbol Parameter V Supply Voltage IN V Input Under-Voltage Lockout Threshold UVLO I Supply Current (Quiescent Shutdown Supply ...

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Maximum Output Current Maximum output current of buck converters such as AOZ1025D is related with driving capability and thermal condition. AOZ1025D’s driving voltage varies with the input voltage. When input voltage is higher than 6.5V, the driver inside the AOZ1025D ...

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Efficiency The efficiency was measured based on Figure 1 with the low-side external MOSFET (AO4722). Efficiency Efficiency ( 100 100 3. 3. ...

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Detailed Description The AOZ1025D is a current-mode step down regulator with integrated high-side PMOS switch. It operates from a 4.75V to 16V input voltage range and supplies load current. The duty cycle can be adjusted from ...

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Protection Features The AOZ1025D has multiple protection features to prevent system circuit damage under abnormal conditions. Over Current Protection (OCP) The sensed inductor current signal is also used for over current protection. Since the AOZ1025D employs peak current mode control, ...

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For reliable operation and best performance, the input capacitors must have current rating higher than I at worst operating conditions. Ceramic capacitors are preferred for input capacitors because of their low ESR and high current rating. Depending on the application ...

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Loop Compensation The AOZ1025D employs peak current mode control for easy use and fast transient response. Peak current mode control eliminates the double pole effect of the output L&C filter. It greatly simplifies the compensation loop design. With peak current ...

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Thermal Management and Layout Consideration In the AOZ1025 buck regulator circuit, the major power dissipating components are the AOZ1025 output inductor, and low-side NMOSFET. The total power dissipation of converter circuit can be measured by input power minus output power: ...

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Package Dimensions, DFN-16 5x4 D aaa C 5 TOP VIEW ccc ddd SIDE VIEW RECOMMENDED LAND PATTERN 0.25 0.5 1.75 0.15 2.3 3.5 0.25 1.9 2.0 Notes: 1. All dimensions are in millimeters. 2. ...

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Tape Dimensions, DFN-16 5x4 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. 1.3 September 2009 ...

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Reel Dimensions, DFN-16 5x4 II M 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. 1.3 September 2009 Zoom In A N=ø100±2 1.8 2.20 5.0 1.8 12 REF 6.50 VIEW: C ...

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AOZ1025D Package Marking Fab & Assembly Location This data sheet 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 SUPPORT POLICY ...