AOZ1016AI_4
AOZ1016AI_4 Datasheet
AOZ1016
| Part | Datasheet |
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AOZ1016AI_4 |
AOZ1016AI_4 (pdf) |
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| AOZ1016 EZBuck 2A Simple Buck Regulator The AOZ1016 is a high efficiency, simple to use, 2A buck regulator. The AOZ1016 works from a 4.5V to 16V input voltage range, and provides up to 2A of continuous output current with an output voltage adjustable down to 0.8V. The AOZ1016 comes in an SO-8 package and is rated over a -40°C to +85°C ambient temperature range. ● 4.5V to 16V operating input voltage range ● internal PFET switch for high efficiency: up to 95% ● Internal Schottky diode ● Internal soft start ● Output voltage adjustable to 0.8V ● 2A continuous output current ● Fixed 500kHz PWM operation ● Cycle-by-cycle current limit ● Short-circuit protection ● Under voltage lockout ● Output over voltage protection ● Thermal shutdown ● Small size SO-8 package ● Point of load DC/DC conversion ● PCIe graphics cards ● Set top boxes ● DVD drives and HDD ● LCD panels ● Cable modems ● Telecom/networking/datacom equipment C1 22uF Ceramic From uPC 20kΩ C5 1nF VIN EN AOZ1016 LX COMP FB AGND PGND L1 4.7uH VOUT C4, C6 22uF Ceramic Figure 3.3V/2A Buck Regulator Page 1 of 15 AOZ1016 Ordering Information Ambient Temperature Range AOZ1016AI AOZ1016AIL -40°C to +85°C Package SO-8 AOS Green Products use reduced levels of Halogens, and are also RoHS compliant. Please visit for additional information. Environmental RoHS Green Product Pin Configuration PGND 1 VIN 2 AGND 3 FB 4 SO-8 Top View 8 LX 7 LX 6 EN 5 COMP Pin Description Pin Number Pin Name PGND AGND COMP Pin Function Power ground. Electrically needs to be connected to AGND. Supply voltage input. When VIN rises above the UVLO threshold the device starts up. Reference connection for controller section. Also used as thermal connection for controller section. Electrically needs to be connected to PGND. The FB pin is used to determine the output voltage via a resistor divider between the output and GND. External loop compensation pin. The enable pin is active HIGH. Connect EN pin to VIN if not used. Do not leave the EN pin floating. PWM output connection to inductor. Thermal connection for output stage. Page 2 of 15 Block Diagram AOZ1016 UVLO 5V LDO Internal & POR Regulator Reference & Bias Softstart ILimit ISen 0.8V COMP EAmp PWM Comp PWM Control Logic Level Shifter + FET Driver 0.2V 0.96V |
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