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HT7818 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT7818 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 11 page  HT78XX Series 500mA TinyPowerTM LDO Selection Table Part No. Output Voltage Tolerance Package HT7818 1.8V ±2% SOT-89 TO-92 HT7825 2.5V HT7827 2.7V HT7830 3.0V HT7833 3.3V HT7850 5.0V Block Diagram Rev. 1.00 1 March 2, 2007 Features · Output voltage ranges: Fixed range of 1.8V, 2.5V, 2.7V, 3.0V, 3.3V, 5.0V type. · Highly accuracy: ±2% · Low voltage drop: 360mV (typ.), VOUT=5.0V at 500mA · Guaranteed output current: 500mA · Low quiescent current: 5mA (typ.) · Current limiting · Over-temperature shutdown · SOT-89, TO-92 Packages Applications · Battery powered systems · Personal Digital Assistants · Peripheral cards · PCMCIA cards · Personal Communication Equipment General Description The HT78XX series of positive, linear regulators fea- tures low quiescent current (5 mA typ.) with low dropout voltage, making them ideal for battery applications. The devices are capable of supplying 500mA of output cur- rent continuously. They are available with several fixed output voltages ranging from 1.8V to 5.0V. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain variable voltages and currents. These rugged devices have Thermal Shutdown and Current Limiting to prevent device failure under the ²Worst² of operating conditions. V O U T V I N G N D V r e f R 1 R 2 A M P O v e r c u r r e n t S h u t d o w n T h e r m a l S h u t d o w n |
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Similar Description - HT7818 |
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