TD1509 2A 150KHz PWM Buck DC/DC Converter DATASHEET
●The TD1509 is a series of easy to use fixed and adjustable step-down (buck) switch-mode voltage regulators. These devices are available in fixed output voltage of 5V,3.3V an adjustable output version. Both versions are capable of driving a 2A load with excellent line and load regulation.
●Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed-frequency oscillator.
●The output voltage is guaranteed to ±3% tolerance under specified input voltage and output load conditions- The oscillator frequency is guaranteed to ±15%. External shutdown is included, featuring typically 80 μA standby current. Self protection features include a two stage frequency reducing current limit for the output switch and an over temperature shutdown for complete protection under fault conditions.
●The TD1509 is available in SOP8 and DIP8 packages.
■Features
●5V.3.3V and adjustable output versions
●Output adjustable from 1,23v to 43V
●Fixed 150KHz frequency internal oscillator
●Guaranteed 3A output load current
●Input voltage range up to 45V
●Low power standby mode, I-Q typically 80 μA
●TTL shutdown capability
●Excellent line and load regulation
●Requires only 4 external components
●High efficiency
●Thermal shutdown and current limit protection
●Available in SOP8 and DIP8 packages
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2A 150KHz PWM Buck DC/DC Converter 、 fixed and adjustable step-down (buck) switch-mode voltage regulators 、 regulators 、 Simple High-efficiency step-down regulator 、 On-card switching regulators 、 Positive to negative converter |
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[ microprocessors ][ LCD monitor ][ LCD TV ][ DVD recorder ][ PDP TV ][ Battery charger ] |
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Datasheet |
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Please see the document for details |
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SOP8;DIP8 |
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English Chinese Chinese and English Japanese |
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December, 20, 2005. |
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801 KB |
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