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AZ317 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AZ317 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 14 page  3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317 Data Sheet 1 Mar. 2007 Rev. 1. 3 BCD Semiconductor Manufacturing Limited General Description The AZ317 is an adjustable three-terminal positive voltage regulator with a very low dropout of 1.2V at 1A output current. Using 2 external resistors, the AZ317 can provide an adjustable output voltage down to 1.25V. The AZ317 includes a circuit of trimmed bandgap ref- erence to assure output voltage accuracy to be within 1%. It also provides current limiting and thermal shut- down. The current limit is trimmed to ensure specified output current and controlled short-circuit current. The On-chip thermal limiting provides protection against any combination of overload and ambient temperature that would create excessive junction temperature. The AZ317 is available in the standard SOT-223, TO- 220-3, TO-252-2 (1) and TO-263-3 power packages. Features · Typical 1% Output Voltage Tolerance · Typical 0.01%/V Line Regulation · Typical 0.2% Load Regulation · Very Low Dropout Voltage: 1.2V at 1A Output Current · Trimmed Current Limit · On-chip Thermal Protection · Operation Junction Temperature: 0 to 125oC Applications · PC Motherboard · LCD Monitor · Graphic Card · DVD Player · Network Interface Card/Switch · Telecom Equipment · Printer and other Peripheral Equipment Figure 1. Package Types of AZ317 SOT-223 TO-220-3 TO-252-2 (1) TO-263-3 |
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